Top videos
http://www.rootmath.org | Calculus
In this video we discover the derivative by attempting to find the slope of a tangent line. We'll see that the derivative is just a limit involving slope.
Activity: https://youtu.be/ZPIXRaKNHUI
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
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Created by Vibhor Pandey
How do fish, camels and giraffes adapt to survive and thrive in their habitat? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's see how air is a mixture of gases through this simple activity!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What is the difference between a tyre's motion and a car's motion which moving on a roundabout? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What is the difference and similarity between periodic and oscillatory motion Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What are the factors that work depends on? And how? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Activity: https://youtu.be/V_DN2NLVxeI
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Activity: https://youtu.be/0tA74AkEAOc
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's solve a couple of questions on magnification in mirrors
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Reflection of light by spherical mirrors through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Ray optics and optical instruments - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics name, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's explore some applications of total internal reflection!
00:00 Introduction
00:28 Recap TIR
01:28 Diamonds
05:30 Snell's window
09:15 Prisms - Binoculars
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Total internal reflection through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Ray optics and optical instruments - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
In this video, we solve two questions on the image formed by multiple lenses
00:00 1st question
01:00 Strategy
02:50 Using thin lens formula to calculate image formed by the first lens
04:19 Using thin lens formula to calculate image formed by the second lens
05:49 2nd question
06:52 Drawing the set-up
08:09 Strategy
09:21 Using thin lens formula to calculate image formed by the first lens
10:00 Calculating image distance for the second lens
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of multiple lenses through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Refraction in thin lenses - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
In this video, we solve a question on Snell's window and also deal with refraction and TIR across 3 mediums!
00:06 1st Question
00:51 Drawing all the light rays from the source
02:38 How do the light rays look when they are incident at critical angle?
03:01 Using Snell's law to calculate the critical angle
03:59 Relating critical angle with the angle subtended at the source
04:55 2nd Question
05:48 Comparing the refractive indices of the three mediums
07:43 Using Snell's law to relate the refractive indices of medium A and B
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Refraction at plane surfaces through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Ray optics and Optical instruments - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
In this video, we will see how concave mirrors focus a parallel beam of light to a single point.
Created by Mahesh Shenoy
When curved mirrors have a reflecting surface on the outside, they are called convex mirrors. (vex stands for bulging out).
Let's learn what they do and their applications in our day to day life.
Created by Mahesh Shenoy
In this video, we will look at some applications of concave mirrors.
Created by Mahesh Shenoy
In this video, we will introduce the terms radius of curvature, and see its connection with focal length.
We will also introduce the term principal axis and see the need for it.
Created by Mahesh Shenoy
In this video, we will derive the mirror formula (expression connecting u,v, and f) and magnification formula.
We will use a concave mirror to do it.
Created by Mahesh Shenoy
Let's explore how we can generalize the mirror formula by introducing cartesian sign conventions.
Created by Mahesh Shenoy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Refraction and Snell's Law. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/refraction-in-water?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/specular-and-diffuse-reflection-2?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Refraction in Water. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/snell-s-law-examples-1?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/refraction-and-snell-s-law?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Snell's Law Example 1. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/snell-s-law-example-2?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/refraction-in-water?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Snell's Law Example 2. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/total-internal-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/snell-s-law-examples-1?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
The index of refraction in a material isn't always the same for every wavelength. This is how prisms split white light into so many colors. Created by David SantoPietro.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/virtual-image?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/total-internal-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
By doing an experiment let's explore what prisms are and what happens to white light as it passes through a prism.
Created by Mahesh Shenoy
Let's explore how Sir Issac Newton experimentally proved that white light is made of all the colours of the rainbow.
Created by Mahesh Shenoy
What makes the 22 degrees halo, 22 degrees?
Let's derive an expression for the angle of minimum deviation.
Created by Mahesh Shenoy
Let's derive a formula connecting object distance (u) and image distance (v) for refraction at a curved surface.
Created by Mahesh Shenoy
Let's solve a numerical on a curved surface refraction
Created by Mahesh Shenoy
Short derivation of the lens maker formula using curved surface refraction formula. This formula connects the focal length of a lens to its refractive index & the radii of curvatures. To make the derivation short, we skip using the sign conventions.
Created by Mahesh Shenoy
Can a convex lens diverge beam of light?
Let's do some problem-solving. Let's figure out the focal length of the convex lens when it's kept in air and oil.
Created by Mahesh Shenoy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Concave Lenses. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/object-image-and-focal-distance-relationship-proof-of-formula?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/convex-lens-examples?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Using lens formula can be tricky because we need to substitute using signs. In this video, we will take one example and discuss how to use the lens formula.
Created by Mahesh Shenoy
Let's derive the thin lens formula which connects the object distance to the image distance.
Created by Mahesh Shenoy
Let's figure out the effective focal length when thin lenses are in contact.
Created by Mahesh Shenoy
Power is an incredibly useful quantity when it comes to lenses. Let's find out what it is and where it is used.
Created by Mahesh Shenoy
What causes the twinkling effect of stars (but not planets)?
More free lessons & practice -https://www.khanacademy.org/sc....ience/in-in-class10t
Khan Academy is a nonprofit organisation with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organisation, we would love your help!
Created by Mahesh Shenoy
Why do we see the sun even before it rises?
More free lessons & practice -https://www.khanacademy.org/sc....ience/in-in-class10t
Khan Academy is a nonprofit organisation with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organisation, we would love your help!
Created by Mahesh Shenoy
Let's explore why the sky is blue, why the sunset/sunrise is red, why are clouds white. It's all due to scattering of light by the molecules of our atmosphere
Created by Mahesh Shenoy
Let's explore the common defects, Myopia (shortsightedness) and hypermetropia (farsightedness) using ray diagrams.
Created by Mahesh Shenoy
Let's explore what are the symptoms and causes of Presbyopia. We will also see how bifocals correct them.
Created by Mahesh Shenoy
Let's help our friend, Suresh, to pick the right lens for his glasses.
Created by Mahesh Shenoy
Let's explore how a magnifying glass (simple microscope) really works.
Created by Mahesh Shenoy
Let's explore the principle of a compound microscope and then logically build one, step by step.
Created by Mahesh Shenoy
Let's solve a numerical on compound microscope.
Created by Mahesh Shenoy
Let's explore how telescopes work intuitively using a demo. Then we will talk about some nuances involved in ray diagram and derive an expression for magnifying power.
Created by Mahesh Shenoy
Let's figure out the magnifying power (magnification) of our telescope.
Created by Mahesh Shenoy
We will calculate the magnifying power of a telescope in normal adjustment, given it's objective and eyepiece focal lengths.
Created by Mahesh Shenoy
Let's derive an expression for the nuclear radius and calculate a numerical value for the density of a nucleus!
00:07 Recapping Alpha scattering
01:43 What does the distance of closest approach tell us?
03:51 Volume is directly proportional to the mass number
04:57 Deriving an expression for the nuclear radius
06:43 Calculating the density of a nucleus
Master the concept of Nuclear Physics through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Nuclei - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Unstable nuclei can undergo alpha, beta or gamma decay. In this video, we explore when alpha and beta decay occur.
00:00 Introduction
00:35 N/Z ratio
03:38 Plotting N/Z ratio
04:56 Beta minus decay
07:36 Beta plus decay
09:28 Alpha decay
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Nuclear Physics through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Nuclei - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Half-life and carbon dating through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Nuclei - https://www.khanacademy.org/sc....ience/in-in-class-12
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Created by Vibhor Pandey
This video talks about how a nucleophile attacks a given carbonyl compound, the mechanism involved, and the change in hybridisation of the central atom during the process. The video also talks about the difference in mechanism observed when a neutral nucleophile attacks an aldehyde or a ketone instead of an anionic one.
00:00- Introduction
00:10- What are nucleophiles?
1:30- Mechanism of nucleophilic attack
3:22- Hybridisation of the central atom in the reactant, intermediate and product.
4:45- Attack of a neutral nucleophile
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Aanchal Arora
In this video, we will explore the mechanism of bromination of phenol. We will also see how the product varies when we change the solvent and why does that happen so?
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To get you fully ready for your exam and help you fall in love with “Chemistry”, find the complete bank of exercises and videos for “Organic Chemistry” here - https://www.khanacademy.org/sc....ience/organic-chemis
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Created by
Jitin Nair
In this video, we will learn how to prepare p-nitrophenol, a very important intermediate in the synthesis of the drug, paracetamol.
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Master the concept of “Nitration of Phenols” through practice exercises and videos - https://www.khanacademy.org/sc....ience/organic-chemis
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To get you fully ready for your exam and help you fall in love with “Organic Chemistry”, find the complete bank of exercises and videos for “Organic Chemistry Essentials” here - https://www.khanacademy.org/sc....ience/organic-chemis
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Jitin Nair
Check out more videos and exercises on “Electrophilic aromatic substitution” - https://www.khanacademy.org/sc....ience/organic-chemis
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Created by
Jitin Nair
Comparing organic molecules using all EE Part - 1 | Acidic strength |Organic chemistry| Khan Academy
In this video we take up random basic organic molecules and compare their acidic strength using electronic effects.
Timestamps
Introduction - 0:00
Set #1 (Alcohol vs. sulphonic acid vs. phenol vs. carboxylic acid) - 0:09
Set #2 (Wate vs. hydrogen sulphide vs. benzene vs. ethyne) - 5:34
What do we learn in part 2 - 10:00
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Created by Ishani Rathore
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In this video how to compare basic strength of some basic aliphatic organic molecules.
Timestamps
What are we doing? - 0:00
What are Bronsted-Lowry bases? - 0:20
Set #1 (Formate ion vs. aliphatic carboxylate ions) - 0:35
Set #2 (Hydroxide ion vs. azanide ion) - 2:35
Which atom is most apt to be protonated? - 3:50
Which atom is most apt in this molecules? - 5:58
What did we learn? - 7:30
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Created by Ishani Rathore
In this video, we will look at the mechanism behind Reimer-Tiemann reaction where phenol is converted to ortho-hydroxy benzaldehyde (also called salicylaldehyde).
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Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by
Jitin Nair
This video depicts how the inductive effect helps stabilise or destabilise a given reaction intermediate.
Master the concept of “Electron-displacement effects” through practice exercises and videos - https://www.khanacademy.org/sc....ience/class-11-chemi
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To get you fully ready for your exam and help you fall in love with Chemistry, find the complete bank of exercises and videos for Class 11 Chemistry here - https://www.khanacademy.org/sc....ience/class-11-chemi
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects.
Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by
Aanchal Arora
This video depicts how the inductive effect helps stabilise or destabilise a given reaction intermediate.
00:00- Introduction
00:32- Common reaction intermediates
02:50- Reaction intermediates and inductive effect
3:27- Examples
Master the concept of “Electron-displacement effects” through practice exercises and videos - https://www.khanacademy.org/sc....ience/class-11-chemi
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To get you fully ready for your exam and help you fall in love with Chemistry, find the complete bank of exercises and videos for Class 11 Chemistry here - https://www.khanacademy.org/sc....ience/class-11-chemi
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Created by
Aanchal Arora
This video talks about what happens when an unsymmetrical terminal alkyne is treated with excess of HCl.
00:00- Introduction
1:10- Mechanism
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To get you fully ready for your exam and help you fall in love with Chemistry , find the complete bank of exercises and videos for “class 11 Chemistry” here - https://www.khanacademy.org/sc....ience/class-11-chemi
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Created by
Aanchal Arora
http://www.rootmath.org | Calculus 1
We learn Rolle's Theorem and see where it falls in terms of it's importance in a calculus class
![3.4 First Derivative Test [Example 1]](https://i.ytimg.com/vi/6D6bNBNLsX4/maxresdefault.jpg)
http://www.rootmath.org | Calculus 1
We look at what it means for a function to be increasing and decreasing and get introduced to the first derivative test.
![3.4 First Derivative Test [Example 2] (Part 2)](https://i.ytimg.com/vi/HVHBcmBDTgQ/maxresdefault.jpg)
http://www.rootmath.org | Calculus 1
Part 2 of finding the extrema of a function.
http://www.rootmath.org | Calculus 1
Part 2 of creating a box with a maximum volume
http://www.rootmath.org | Calculus 1
Deciding how much wire to use on a circle and a square to maximize the amount of area created.
http://www.rootmath.org | Calculus
Some basic properties of antiderivatives. We see the antiderivative of a constant and the antiderivative of a sum.
This is video 2 in a series on summations. In this video we learn 3 fundamental summation formulas. These formulas are essential to solving more difficult sums in the future.
Summation Playlist:
1. https://youtu.be/4AR1iK46Cmg
2. https://youtu.be/_EEQhsUo888
3. https://youtu.be/Htq1Hny0nrw
4. https://youtu.be/O26Ew36qKG0
Channel: https://youtube.com/rootmath
http://www.rootmath.org | Calculus 1
Another example of finding exact area under a curve by taking the limit of a sum.
http://www.rootmath.org | Calculus 1
This video builds upon our previous knowledge of finding exact area, but here we introduce the idea of a left hand sum, or lower sum.
http://www.rootmath.org | Calculus 1
This video defines a Riemann Sum and a Definite Integral. This is built upon the previous videos and just slightly refines what we've already seen so far.
To see an example of a Riemann Sum where delta x_i is not equal to (b-a)/n see: http://www.youtube.com/watch?v=W2309ZF5MYg
http://www.rootmath.org | Calculus
We learn how to re-write and simplify integrals to make them easier to solve. This is the second example.
http://www.rootmath.org | Calculus
This video is an introduction to the idea behind u-substitution. This is a very important technique for solving integrals!
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Phenol is prepared commercially from cumene and this synthesis involves some interesting chemistry concepts like a phenyl shift. Let's take a brief look at this preparation method.
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Created by
Revathi Ramachandran
Let's discuss the type of products that is formed in the acid-catalysed hydration of alkenes.
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Created by
Revathi Ramachandran
How can we obtain alcohols from alkenes of anti-Markovnikov orientation? Using a selective method called hydroboration followed by oxidation. Let's solve a few questions based on the same.
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Check out more videos and exercises on “Alcohols, phenols and ethers” - https://www.khanacademy.org/sc....ience/up-class-12-ch
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Revathi Ramachandran
Lithium aluminium hydride and sodium borohydride are versatile reducing agents, yet they cannot be used interchangeably. One is more selective while the other is highly reactive. Let's explore what makes these reducing agents unique and when can we use them.
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Check out more videos and exercises on “Alcohols, phenols and ethers” - https://www.khanacademy.org/sc....ience/up-class-12-ch
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by
Revathi Ramachandran
Reduction of carbonyl compounds_worked ex. | Alcohols, phenols and ethers | Chemistry | Khan Academy
Reduction of carbonyl compounds using reducing agents, lithium aluminium hydride and sodium borohydride, gives alcohols. Let's explore the mechanism of this reduction reaction and also solve a few problems based on the same.
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Check out more videos and exercises on “Alcohols, phenols and ethers” - https://www.khanacademy.org/sc....ience/up-class-12-ch
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by
Revathi Ramachandran
Let's briefly discuss the mechanism behind the addition of Grignard reagents to carbonyl compounds to obtain different types of alcohols with the help of a few examples.
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Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Revathi Ramachandran
Now that we know how alcohols can be synthesized using Grignard reagents, let's look at an example and see how to deconstruct an alcohol and figure out the starting reactants.
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Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Revathi Ramachandran
In this video you will learn about basic method of division using vedic math which is done by specific method called Nikhilam! This video of divison is among three parts of nikhilam method we have. This is the first part.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Devashish Phadnis
In this video we cover the case of division using vedic math method called nikhilam where the base is 100, and you can extending the logic for bases which are even larger.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by Devashish Phadnis
In this video we describe a vedic math method called Paravartya Yojayet which is different than nikhilam method of divison. In this method you will find that the base is less than the divisor.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Devashish Phadnis
In this video you will know the basics of multiplication by vedic math method of multiplication. Finding base and Supplement of the number is a key thing to be done before you can find the multiplication.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Devashish Phadnis
In this video you will learn about the Urdhvatiryak method of multiplication , we have covered multiplication of 2 digit numbers in here.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by
Devashish Phadnis
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Devashish Phadnis
This video describes an algorithm and a solved problem for finding the cube of the number. This is a vedic math method that is known as Yavdunam.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by
Devashish Phadnis
In this video we learn about the method of finding cube using a vedic math algorithm called as Nikhilam.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Devashish Phadnis
Let's explore how human ears work.
More free lessons & practice on this chapter-https://www.khanacademy.org/sc....ience/in-in-class9th
Khan Academy is a nonprofit organisation with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organisation, we would love your help!
Created by Mahesh Shenoy
In this video, we talk about literally correcting genes with the help of gene therapy. We specifically tap into the first disease that was cured with gene therapy and learn about the intricacies of this remedy.
Timestamps:
00:00 - ADA deficiency
01:10 - Bone marrow transplantation and enzyme replacement
03:20 - What is gene therapy?
04:41 - How is gene therapy done?
10:41 - Why is it promising?
Practice this concept: https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Biotechnology and its Applications: https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with biology, find the complete bank of exercises and videos for Class 12 Biology here: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy!
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Sulagna Das
In this video, we look into the type of insulin that has become a breakthrough in managing diabetes mellitus. We explore how genetically engineered insulin or human insulin is made and how it is so much better than its previous ancestors.
Timestamps:
00:00 - Introduction
01:28 - Animal-sourced insulin
03:53 - How is human insulin made?
06:56 - How was human insulin upgraded?
Practice this concept: https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Biotechnology and its Applications: https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with biology, find the complete bank of exercises and videos for Class 12 Biology here: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy!
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Sulagna Das
In this video, we explore how RNA interference (RNAi) plays a crucial role in the world of agriculture by controlling roundworms. We find out how a genetically modified plant can induce the RNAi mechanism in roundworms, ultimately killing them.
Timestamps:
00:00 - Introduction
01:15 - Overview of RNAi process
04:12 - How is RNAi involved in pest control?
08:00 - Why does the plant's RNAi mechanism stop in the middle?
Practice this concept: https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Biotechnology and its Applications: https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with biology, find the complete bank of exercises and videos for Class 12 Biology here: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy!
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Sulagna Das
RNAi or RNA interference is a major breakthrough in the world of biology. This video talks about the process of how RNA interferes with itself and defends us from harmful proteins.
Timestamps:
00:00 - Introduction
01:07 - How RNAi works against viral RNA
11:06 - How RNAi works against microRNA
Practice this concept: https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Biotechnology and its Applications: https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with biology, find the complete bank of exercises and videos for Class 12 Biology here: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy!
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Sulagna Das
In this video, we find out how milk turns into yogurt/curd overnight and that it is more than okay to consume some very special bacteria. It may sound a little gross, but trust us.
More free lessons & practice: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Sulagna Das
Magnetic declination at a point on earth is the angle between the earth's geographic & magnetic meridian at that point. Meridians can be thought of great circles that pass through a point on earth and either the geographic or the magnetic poles.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Most materials are either weakly attracted (paramagnets) or weakly repelled (diamagnets) by magnets. Diamagnetism is an inherent property of all materials, and it arises from Lenz's laws. Paramagnetism is seen in materials whose atoms have at least one unpaired electron.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Ferromagnets are strongly attracted to magnets due to their magnetic domains. Magnetic domains are groups of atoms whose dipole moments are spontaneously aligned in the same direction. Above the Curie temperature, these magnetic domains break down and the material becomes a paramagnet.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Magnetic susceptibility is a measure of how readily materials tend to get magnetized. Diamagnets have a small negative susceptibility while paramagnets have a small positive susceptibility. Ferromagnets have a large susceptibility.
Relative permeability is a measure of how readily materials allow the field lines to pass through them, compared to vacuum.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
The magnetic field inside a ferromagnet lags the vacuum field, and this lagging is called the hysteresis. Let's explore this hysteresis curve of ferromagnets.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Ferromagnets with high retentivity and coercivity are used as permanent magnets (hard magnets), while the ones with low retentivity & coercivity (soft magnets) are used as cores in electromagnets. But all ferromagnets have high permeability.
Let's explore these differences between the permanent magnets and the ones used in electromagnets, by looking at their hysteresis loops.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Huygen's principle states that every point on a wavefront behaves as a source for secondary waves, whose common tangent (envelop) becomes the new wavefront. Using this principle, let's prove the laws of reflection
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
00:07 Example 1
00:45 Breaking down the question
01:19 Approach to solving the question
02:25 Solving for overlapping fringes
04:57 Example 2
05:52 Approach to solving the question
07:28 Solving for the least distance where dark fringes overlap
Practice the concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Young's double-slit experiment through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Wave optics - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to the CBSE syllabus and is available in Hindi, English and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy
Let's solve a couple of questions on the size and intensity of central maxima in single-slit diffraction!
00:00 1st question
00:24 What is the size of the central maximum?
01:39 What is the angular width of the central maximum?
02:16 Condition for destructive interference in a single-slit diffraction
03:09 Deducing change in angular width of central maximum
04:06 Deducing change in the size of central maximum
05:55 2nd question
06:18 Intensity proportional to the square of the amplitude
07:41 Deducing change in intensity when the width of the slit is increased
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Diffraction in a single slit through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Wave Optics - https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics here - https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned with CBSE syllabus and is available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's explore why most living things reproduce
More free lessons & practice -https://www.khanacademy.org/sc....ience/class-10-biolo
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
Let's explore reproduction at cellular level.
More free lessons & practice -https://www.khanacademy.org/sc....ience/class-10-biolo
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
Let's explore what variation is and it's need
More free lessons & practice -https://www.khanacademy.org/sc....ience/class-10-biolo
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
Let's explore binary & multiple fission with examples.
More free lessons & practice -https://www.khanacademy.org/sc....ience/class-10-biolo
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
Let's explore vegetative propagation with examples & advantages.
More free lessons & practice -https://www.khanacademy.org/sc....ience/class-10-biolo
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
![Useful astrophysics definitions 1 [IB Physics SL/HL]](https://i.ytimg.com/vi/IZi7zQaPQkQ/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Useful astrophysics definitions 2 [IB Physics SL/HL]](https://i.ytimg.com/vi/TICTsABZ5tU/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Stellar evolution 2 [IB Physics SL/HL]](https://i.ytimg.com/vi/IZTOWJXAo0E/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Distance to stars 1 [IB Physics SL/HL]](https://i.ytimg.com/vi/3sXNgUwOYXY/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Distance to stars 2 [IB Physics SL/HL]](https://i.ytimg.com/vi/GCzFnhkjfVo/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Big Bang Evidence [IB Physics SL/HL]](https://i.ytimg.com/vi/teDEUt1qRFU/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Cosmology [IB Physics SL/HL]](https://i.ytimg.com/vi/UZE58OcgH4Y/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![HL – Nucleosynthesis 1 [IB Physics HL]](https://i.ytimg.com/vi/ZXh4WYwkp60/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![HL – Evolution of the Universe [IB Physics HL]](https://i.ytimg.com/vi/W5a61g2oJ4E/maxresdefault.jpg)
Supercharge your IB Diploma revision with the OSC Study app! Available with 10+ subjects, the app features 8000 SMARTPREP flashcards, 5000 Studynova video tutorials, and 24 OSC revision guides, all at an affordable price. https://oxfordstudycourses.com/study?utm_source=youtube&utm_medium=osc&utm_campaign=study
The app just launched and you can try it out for free.
I think you'll love what we've been working on!
-Mitch
![Electric charge and electric fields [IB Physics SL/HL]](https://i.ytimg.com/vi/SwkMOFZ0giw/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Circuit analogy 1 [IB Physics SL/HL]](https://i.ytimg.com/vi/h9LTmPam7fI/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Ohm's law, resistance and power [IB Physics SL/HL]](https://i.ytimg.com/vi/dbN2XqcsIr0/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Magnetic fields [IB Physics SL/HL]](https://i.ytimg.com/vi/ewKZBICBcnA/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Galilean transformations [IB Physics SL/HL]](https://i.ytimg.com/vi/0AH1LYiGifE/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Special relativity intro [IB Physics SL/HL]](https://i.ytimg.com/vi/FYwZxOC7mm0/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Special relativity muon decay and spacetime interval [IB Physics SL/HL]](https://i.ytimg.com/vi/6DPeWPQjpzE/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![HL – General relativity – black holes and gravitational redshift 2 [IB Physics HL]](https://i.ytimg.com/vi/dNpJdhCtpJA/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
https://www.youtube.com/playli....st?list=PLTjLwQcqQzN
More: https://en.fufaev.org/questions/1235
Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equations-book
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory
https://www.youtube.com/watch?v=Y1ywIW56MEQ&list=PLTjLwQcqQzNKzSAxJxKpmOtAriFS5wWy4
0:00 Electric charges
01:45 What causes the electric current?
03:17 Formula + unit of electric current
05:18 Is one ampere a large current?
06:19 Summary
More: https://en.fufaev.org/electric-current
Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equations-book
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory
https://www.youtube.com/watch?v=nFfnjHh3HIo&list=PLTjLwQcqQzNKzSAxJxKpmOtAriFS5wWy4
00:00 The 1st ingredient: Voltage
00:46 The 2nd ingredient: Electrical conductor
01:13 The 3rd ingredient: Electric current
02:43 Data points and Ohm's law as a graph
05:14 Ohmic conductors
06:06 Slope of the graph
07:07 Ohm's law as a formula
09:32 Example #1: Resistance unknown
09:57 Example #2: Voltage unknown
10:26 Example #3: Current unknown
More: https://en.fufaev.org/ohms-law
Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equations-book
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory
https://www.youtube.com/watch?v=12HVgYDW65I&list=PLTjLwQcqQzNKzSAxJxKpmOtAriFS5wWy4
00:00 Introduction
00:06 Setup and Applications of a plate capacitor
01:53 Voltage of a capacitor
03:33 Capacitance of a capacitor
04:52 Force and Electric field inside capacitor
More: https://en.fufaev.org/plate-capacitor
Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equations-book
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory
Product law, quotient law and power law for logarithms. Proof of these laws is in your text book and you should take a look at them. Lots of textbook examples for you to follow along with!
Solving exponential equations by taking the log of both sides, factoring, finding a common factor and also rewriting using the same base. Lots of practice questions from your textbook to give you a good selection of examples.
Lots of practice with various types of equations. Watch out for inadmissible solutions Most questions involve quadratics so you must be good at switching between logarithmic and exponential forms. Be a log bae!!
We will look at various logarithmic scales including Richter scale calculations for comparing the intensities of earthquakes, decibels and sound, pH and calculating hydronium ion concentrations.
Graphing y = sinθ and y = cosθ using the unit circle and knowledge that we have about sine and cosine ratios.
Please note that the last example is actually on page 363 not page 360 : )
Clear explanations of the various possible transformations to trigonometric functions. f(x)=sinx f(x) = cos x
f(x) = a sin [k(x-d)]+c
Stretches, compressions, shifts, where to find the equation of the axis and how to determine the period of the function.
Tiah Penny from the Australian National University (anu.edu.au) introduces the rock cycle in an overview preceding more in depth explanations in further videos (ACSES019).
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Tiah Penny from the Australian National University (anu.edu.au) introduces sediments as a part of a series of educational videos on the rock cycle (ACSES019).
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Tiah Penny from the Australian National University (anu.edu.au) introduces sorting of sediments as a part of a series of educational videos on the rock cycle (ACSES019).
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Tiah Penny from the Australian National University (anu.edu.au) introduces the composition of igneous rocks as a part of a series of educational videos on the rock cycle.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
Rocks are composed of characteristic assemblages of mineral crystals or grains that are formed through igneous, sedimentary and metamorphic processes, as part of the rock cycle (ACSES019).
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Chitrangada (Chini) Datta from the Australian National University (anu.edu.au) looks at how relative time scales are worked out. This as part of a series of educational videos on reading the rocks.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
A relative geological time scale can be constructed using stratigraphic principles including superposition, cross cutting relationships, inclusions and correlation (ACSES016)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Chitrangada (Chini) Datta from the Australian National University (anu.edu.au) summarises the relative timescale of the State Circle shale and sandstone in Canberra, Australia. This as part of a series of educational videos on reading the rocks.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
A relative geological time scale can be constructed using stratigraphic principles including superposition, cross cutting relationships, inclusions and correlation (ACSES016)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Caroline Eakin from the Australian National University (anu.edu.au) explores what happens underneath your feet in the internal structure of our Earth. This as part of a series of educational videos on inner Earth.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
Earth has internally differentiated into a layered structure: a solid metallic inner core, a liquid metallic outer core and a silicate mantle and crust; the study of seismic waves and meteorites provides evidence for this structure (ACSES018)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Caroline Eakin from the Australian National University (anu.edu.au) shows the texture and behaviour of the internal structure of Earth. This as part of a series of educational videos on inner Earth.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
Earth has internally differentiated into a layered structure: a solid metallic inner core, a liquid metallic outer core and a silicate mantle and crust; the study of seismic waves and meteorites provides evidence for this structure (ACSES018)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Geoff Bonning from the Australian National University (anu.edu.au) describes what radioisotopes are. This as part of a series of educational videos on Dating the Earth.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
Precise dates can be assigned to points on the relative geological time scale using data derived from the decay of radioisotopes in rocks and minerals; this establishes an absolute time scale and places the age of the Earth at 4.5 billion years (ACSES017)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Geoff Bonning from the Australian National University (anu.edu.au) describes how researchers date the formation of the Sun. This as part of a series of educational videos on Dating the Earth.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
Precise dates can be assigned to points on the relative geological time scale using data derived from the decay of radioisotopes in rocks and minerals; this establishes an absolute time scale and places the age of the Earth at 4.5 billion years (ACSES017)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Professor Patrick De Dekker from the Australian National University (anu.edu.au) describes ikaites and what can be inferred from their presence. This as part of a series of educational videos on the Earth science timeline.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
The characteristics of past environments and communities (for example, presence of water, nature of the substrate, organism assemblages) can be inferred from the sequence and internal textures of sedimentary rocks and enclosed fossils (ACSES028)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Professor Patrick De Dekker from the Australian National University (anu.edu.au) describes dropstones and what can be inferred from their presence. This as part of a series of educational videos on the Earth science timeline.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
The characteristics of past environments and communities (for example, presence of water, nature of the substrate, organism assemblages) can be inferred from the sequence and internal textures of sedimentary rocks and enclosed fossils (ACSES028)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Professor John Mavrogenes (Mav) from the Australian National University (anu.edu.au) is on site at Dolphin Point and describes the mudstone of the area and what can be inferred from its presence. This as part of a series of educational videos on the Earth science timeline.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
The characteristics of past environments and communities (for example, presence of water, nature of the substrate, organism assemblages) can be inferred from the sequence and internal textures of sedimentary rocks and enclosed fossils (ACSES028)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Caleb Bishop from the Australian National University (anu.edu.au) provides the evidence to support the theory of when prokaryotes evolved into eukaryotes. This as part of a series of educational videos on mass extinctions and expansions.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
The diversification and proliferation of living organisms over time (for example, increases in marine animals in the Cambrian), and the catastrophic collapse of ecosystems (for example, the mass extinction event at the end of the Cretaceous) can be inferred from the fossil record (ACSES029)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Dr Siyuan Tian from the Australian National University (anu.edu.au) shares her research tracking bushfire smoke in the layers of Earth's atmosphere. This as part of a series of educational videos on Earth's atmosphere.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
The modern atmosphere has a layered structure characterised by changes in temperature: the troposphere, mesosphere, stratosphere and thermosphere (ACSES022)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Three phases of water in the environment: The water cycle | Introduction to Earth systems | meriSTEM
Professor Andy Hogg from the Australian National University (anu.edu.au) describes the three phases of water in the environment. This as part of a series of educational videos on our Earth's water.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
- Water is present on the surface of Earth as a result of volcanic outgassing and impact by icy bodies from space; water occurs in three phases (solid, liquid, gas) on Earth’s surface (ACSES023)
- Water’s unique properties, including its boiling point, density in solid and liquid phase, surface tension and its ability to act a solvent, and its abundance at the surface of Earth make it an important component of Earth system processes (for example, precipitation, ice sheet formation, evapotranspiration, solution of salts) (ACSES024)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Dr Kial Stewart from the Australian National University (anu.edu.au) describes why the molecular structure of water is important. This as part of a series of educational videos on our Earth's water.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
- Water is present on the surface of Earth as a result of volcanic outgassing and impact by icy bodies from space; water occurs in three phases (solid, liquid, gas) on Earth’s surface (ACSES023)
- Water’s unique properties, including its boiling point, density in solid and liquid phase, surface tension and its ability to act a solvent, and its abundance at the surface of Earth make it an important component of Earth system processes (for example, precipitation, ice sheet formation, evapotranspiration, solution of salts) (ACSES024)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Light of wavelength 430 nm is incident on each of the metals given in the table. We will explore how to predict which of the metals will show photoelectric emission.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
When light of frequency 2.42 X 10^15 Hz is incident on a metal surface, the fastest photoelectrons are found to have a kinetic energy of 1.7eV. Find the threshold frequency of the metal.
Let's explore how to use Einstein's photoelectric equation to solve such numerical on photoelectric effect.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Let's explore how to measure the no. of photoelectrons emitted per second experimentally, in photoelectric effect. We will also draw a graph of the photocurrent vs anode potential.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
A proton and electron have the same kinetic energy, let's compare their de Broglie wavelength. Next, a proton, and an alpha particle are accelerated through the same potential difference, let's compare their de Broglie wavelength.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Thanks to Rowel Morales of Lunch Leave Chemistry (https://www.youtube.com/user/r0wieboy) for this contribution to meriSTEM's Year 11 Chemistry course.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Eddy currents are current loops formed over conductor surfaces due to changing magnetic flux. They are useful in induction heating, levitating, electromagnetic damping, and electromagnetic braking.
They can be minimized by adding slots in the conductor surface & laminating.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Self-inductance is the tendency of a coil to resist changes in current in itself. Whenever current changes through a coil, they induce an EMF which is proportional to the rate of change of current, through the coil.
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
An inductor carrying current is analogous to a mass having velocity. So, just like a moving mass has kinetic energy = 1/2 mv^2, a coil carrying current stores energy in its magnetic field giving by 1/2 Li^2. Let's derive the expression for it using the concept of self-induction.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
When changing current in one coil induces an EMF in the other, the phenomenon is called mutual induction. The strength of the EMF induced depends on the mutual inductance of the pair of coils. The S.I. unit of mutual inductance is Henry, the same as that of self-inductance.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Let's calculate the mutual inductance of two coaxial long solenoids.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Description
In this video students will learn about finding the values corresponding to pie slices from a pie chart. The skill covered is an application level skill on the pie chart.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Devashish Phadnis
Iran is mourning the loss of five Revolutionary Guards, including the esteemed officer Mohammad Reza Zahedi, who were killed in Syria. This tragic event has further escalated the already tense shadow war between Iran and Israel. The deaths highlight the increasing tensions and conflicts in the region, as both countries continue to engage in covert operations and proxy battles.
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#revolutionaryguardsfuneral #iranrevenge #supremeleadervows #iranianrevolutionaryguards #funeralrevenge #iraniansupremeleader #killingvows #iranianmilitary
Let's see how we can find the value of the given trigonometric expression using the trigonometric ratio given to us.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Supriya.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Let's see how we can solve a word problem based on the quadratic equations. The solution comprises of two parts: a. Interpreting the problem to get the mathematical equation b. Solving the equation.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
Let's see how we can solve a word problem based on the quadratic equations. The solution comprises of two parts: a. Interpreting the problem to get the mathematical equation b. Solving the equation.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
Let's see how we can solve a word problem based on the quadratic equations. The solution comprises of two parts: a. Interpreting the problem to get the mathematical equation b. Solving the equation.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
Anmol finds the roots of the given quadratic equation with variable coefficients by factorizing the given expression.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
In this video, we have two quadratic equations with two unknowns. Anmol discusses how we can use the given conditions to find the value of those unknowns.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
Let's see how we can use the determinant of a quadratic equation to check whether the equation has real or unreal roots.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM's Australian senior science course offerings.
Email the meriSTEM team (contact.meristem@anu.edu.au) for further information, course access and video usage requests.
meriSTEM is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (https://creativecommons.org/li....censes/by-nc-sa/4.0/
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Thanks to the ARC Centre of Excellence for Translational Photosynthesis (CoETP) for contributing this video on how to make a stomata slide. Huge wrap to presenter Ross Dennis who's PhD research focuses on sugar sensing in cereal seed and plant development. Find out about the Centre's research at http://photosynthesis.org.au.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM's Australian senior science course offerings.
Email the meriSTEM team (contact.meristem@anu.edu.au) for further information, course access and video usage requests.
meriSTEM is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (https://creativecommons.org/li....censes/by-nc-sa/4.0/
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Let's learn how we can find the lowest common multiple (LCM) of three numbers using prime factorization.
For more free lessons & practice - https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Anmol.
Practice this concept - “https://www.khanacademy.org/ma....th/in-in-grade-10-nc
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Aakash Singh Bagga
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Aakash Singh Bagga
Let's understand the old definition of oxidation and reduction.
In redox reactions, both reduction and oxidation take place. Let's learn more about them.
"Determining oxidation numbers in magnesium oxide and magnesium hydroxide.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/unusual-oxygen-oxidation-states?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/oxidation-state-trends-in-periodic-table?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #youcanlearnanything
subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Determining oxidation numbers in hydrogen peroxide and oxygen difluoride.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/oxidation-reduction-or-redox-reactions?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/practice-determining-oxidation-states?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #youcanlearnanything
subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Finding the half reactions in a combustion reaction, and identifying what is getting oxidized and reduced.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/redox-reaction-with-iron?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/unusual-oxygen-oxidation-states?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #youcanlearnanything
subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
For the reaction between Fe and HCl, identifying the half reactions and what is getting oxidized and reduced.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/oxidizing-and-reducing-agents-1?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/oxidation-reduction-or-redox-reactions?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #youcanlearnanything
subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channe....l/UCyEot66LrwWFEMONv
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Year 2 A-Level Mathematics Integration Lesson 2 of 11: Integrating (ax + b)^n
Link to lesson
https://mr-mathematics.com/pro....duct/year2-pure-inte
Year 2 A-Level Mathematics: Integration Playlist
https://www.youtube.com/playli....st?list=PLo2qbrU8B_e
Visit https://mr-mathematics.com for the complete lesson, including PowerPoint and student handout.
About Me
My name is Jonathan Robinson, and I am passionate about teaching mathematics. I am Head of Maths in the South East of England and have taught for over 20 years. I am proud to have helped teachers worldwide continue engaging and inspiring their students with my lessons.
For regular updates about new lessons and videos:
Check out my website: https://mr-mathematics.com
Follow me on Twitter: https://twitter.com/Mr_Mathematics
Like me on Facebook: https://tinyurl.com/y55v5kpl
Support the channel
https://paypal.me/JonathanRobinsonMath
Subscribe: https://tinyurl.com/y3pxvldj
#jonathanrobinson #homelearning #mathematics
A-Level Mathematics Year 2 Integration: Lesson 3 of 12: Integration with Trigonometric Identities
Link to lesson
👉https://mr-mathematics.com/pro....duct/year2-pure-inte
A-Level Mathematics Year 2 Integration Playlist https://youtube.com/playlist?l....ist=PLo2qbrU8B_egAdE
About Me
My name is Jonathan Robinson, and I am passionate about teaching mathematics. I am Head of Maths in the South East of England and have taught for over 20 years. I am proud to have helped teachers worldwide continue engaging and inspiring their students with my lessons.
For regular updates about new lessons and videos:
👉 Check out my website: https://mr-mathematics.com
👉 Follow me on Twitter: https://twitter.com/Mr_Mathematics
👉Like me on Facebook: https://tinyurl.com/y55v5kpl
Support the channel https://paypal.me/JonathanRobinsonMath
Subscribe: https://tinyurl.com/y3pxvldj
#mrmathematics #gcsemaths #alevelmaths
Part 9 (of 9) in a lecture on "Science" for a non-majors General Biology course. Watch all 9 video clips by going to the PLAYLIST: https://www.youtube.com/playli....st?list=PL5GRRRmaGVq
Also check out Understanding Science 101 from UC Berkeley: https://undsci.berkeley.edu/un....derstanding-science-
San Diego, the state’s second largest city, is at the heart of a metropolitan area that comprises all of San Diego county. Surrounding communities include Escondido (north), La Mesa and El Cajon (east), National City, Fashion Valley and Chula Vista (between the northern and southern portions of the city), Imperial Beach (southwest), and Coronado (west; at the northern end of Silver Strand). More than a dozen Indian reservations are scattered throughout the county, and Tijuana, Mexico, lies just south of the border. Inc. 1850. Area, 372 square miles (963 square km). Pop. (2010) 1,307,402; San Diego–Carlsbad–San Marcos Metro Area, 3,095,313; (2020) 1,386,932; San Diego–Chula Vista–Carlsbad Metro Area, 3,298,634.
Famous for its miles and miles of white-sand beaches and amazing weather, the city offers an abundance of fun attractions for visitors of all ages.
#shorts #satisfying #travel #california #sightseeing #tour #walkingtour #walkingvideo
San Diego, the state’s second largest city, is at the heart of a metropolitan area that comprises all of San Diego county. Also El Cajon City is full of Afghan and Arab and Mexican People with Surrounding communities include Escondido (north), La Mesa and El Cajon (east), National City and Chula Vista (between the northern and southern portions of the city), Imperial Beach (southwest), and Coronado (west; at the northern end of Silver Strand). More than a dozen Indian reservations are scattered throughout the county, and Tijuana, Mexico, lies just south of the border. Inc. 1850. Area, 372 square miles (963 square km). Pop. (2010) 1,307,402; San Diego–Carlsbad–San Marcos Metro Area, 3,095,313; (2020) 1,386,932; San Diego–Chula Vista–Carlsbad Metro Area, 3,298,634.
Famous for its miles and miles of white-sand beaches and amazing weather, the city offers an abundance of fun attractions for visitors of all ages.
#shorts #satisfying #travel #california #sightseeing #elcajon #unitedstates
In this video, That Bio Doc describes what make Homo sapiens a unique species separate from the other bipedal species, including those that roamed the planet at the time sapiens first appeared on the planet.
The K-Pg mass extinction event marked the end of the Cretaceous Period, but also the end of the Mesozoic Era. During the Cenozoic, life would recover and the Earth would be replenished by the species that survived. Like we saw following the Great Dying at the end of the Permian, life would be forever changed after the K-Pg mass extinction event and the ecological niches once dominated by reptiles would be taken over by birds, mammals, and fish.
The Jurassic Period would mark the beginning of the dinosaurs' dominance of terrestrial Earth, but also the end of Pangea. Reptiles continued their dominance of the air, land, and sea during the Jurassic, but also have to deal with a world that was literally shifting beneath their feet. The Jurassic would also see the appearance of the first true birds and mammals, and for once, wouldn't end with a mass extinction.
During the early Permian, life on land and in the ocean would look much as it did at the end of the Carboniferous. However, the changing climate, from warm and moist during much of the Carboniferous, to cool and arid at the start of the Permian, would lead to many changes throughout the period. By the end of the Permian, many of the water-loving plant species would be replaced by seed ferns and conifers, plants that were better adapted to the drier environment of Pangea. The amphibians, which had dominated aquatic and terrestrial biomes during the Carboniferous, were replaced by rapidly diversifying reptiles. However, the Permian period would end with the single greatest catastrophe life on Earth has ever seen. The end-Permian mass extinction, known as the Great Dying, would cause the extinction of nearly 97% of species on the planet.
In this video, That Bio Doc introduces you to life in the Cambrian Period (541 - 488.3 mya). This is the second video in a series of videos about the evolutionary history of life on Earth. During the Cambrian Period, we see the first appearance of many modern animal phyla in the fossil record. This phenomenon, known as the Cambrian Explosion, is one of the most interesting events in the fossil record. In this video, TBD introduces you to many of these animal phyla and describes the unique characteristics that define each phylum.
Phylogenetics is a branch of biology that classifies organisms according to the evolutionary relationships. In this video That Bio Doc discusses phylogenetics and cladistics and how biologists use similarities and differences between species to determine their evolutionary histories.
Development is one of the seven properties that all living things possess. It is both an essential and complex process, as well as one that does not tolerate mutations very well. However, changes to the developmental process are often required for the evolution of species. In this video That Bio Doc will discuss how evolutionary changes to development occur and how those changes serve as evidence for the evolutionary origins of species.
The fossil record is one of the best sources of evidence to support evolutionary theory. In this video, That Bio Doc describes how fossils are made, what they tell us about life, and how the fossil record supports the theory of evolution.
In this video, That Bio Doc discusses how radioactive isotopes such as carbon-14, uranium-238, uranium-235, and potassium-40 can be used to determine the age of a rock sample. Absolute dating techniques using these radioactive isotopes are the primary way in which the age of rock strata, including the fossils contained within them, are determined.
Have you every wondered how we know the age of Earth or how long it has been since the dinosaurs ruled the planet? It turns out that the answer is within the rocks themselves. In this video, TBD discusses the concepts of modern geology and how rocks can actually be used as clocks! TBD describes the different types of rock, which ones contain the fossil archaeologists and biologist are interested in, and which ones tell us how old those fossils (and the planet!) really are.
Today, it is difficult to think about evolution without also thinking about genetics. However, that wasn't always the case. Although Gregor Mendel performed his pioneering experiments following the inheritance pattern of several traits in pea plants just a few short years after the publication of On the Origin of Species, it took decades before the fields of Darwinian evolution and Mendelian genetics were fused together in the modern synthesis. In this video, That Bio Doc discusses Mendel's experiments and how the results of those experiments laid the foundation for our modern understanding of genetics and evolutionary biology. Learn about key genetic concepts such as dominance, the difference between genotype and phenotype, and how to calculate the odds of inheriting specific traits based on the genetic make-up of the parental generation using mathematical operations and Punnett squares.
In this video That Bio Doc tells you what evolution is NOT all about. TBD discusses some of the most common misconceptions and misunderstandings about evolutionary theory. And if you have an ax to grind against evolution, it shouldn't be because of any of these reasons!
That Bio Doc talks about the two types of eukaryotic cell reproduction: Mitosis and Meiosis. Learn about the similarities and the differences between the two in this video!
Did you know that there are 3x more microbial cells in your body as there are your own cells? It's true! The good news is that most of those cells belong to species that are part of your normal microbiome, a community of microbes that inhabit your body and help you digest your food and protect you from pathogens. In this video, That Bio Doc discusses where your microbiome comes from, what it looks like, and the pros and cons to having thousands of species of bacteria, fungi, and archaea in and on your body!
In this video, That Bio Doc discusses antibiotics: what they are, what they do, and how they work! Learn about several different antibiotic drugs classes, their cellular targets, and how they help keep us alive. TBD also discusses the evolution of antibiotic resistance and why it is of such a great concern.
In this video That Bio Doc discusses way in which we can control and prevent the growth of microbes through physical and chemical means such as heat, radiation, and chemical disinfectants. Learn the difference between sterilization and disinfection and where all those red bags and bins full of medical waste end up!
That Bio Doc talks about the how the other half lives. And by that, we mean how organisms such as algae and plants can make energy from the sun through a process called photosynthesis! TBD discuss what might be the most important metabolic pathway to evolve in history life. Learn about the amazing, yet surprisingly inefficient process that makes all life on Earth possible in this video.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc talks about pathogenic protozoa, fungi, helminths (worms), and arthropods. In this video, learn about our eukaryotic cousins that aren't so friendly. TBD introduces you to the parasites that cause malaria, babesiosis, leishmaniasis, and more!
WARNING: Viewer discretion advised. This video includes detailed descriptions about human diseases that may not be appropriate for some viewers.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc discusses the wide array of bacterial pathogens that cause morbidity and mortality in humans. There are many pathogenic bacteria that cause disease in humans. In this video, TBD discusses several of those bacteria and the diseases they cause.
Warning: Viewer discretion is advised. This video discuses some material that might be inappropriate for younger viewers including STI's and potentially fatal illnesses.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc tells you about Horizontal Gene Transfer (HGT), ways in which bacteria and other prokaryotes can share genetic information with each other. Learn about transformation, transduction, conjugation, and "jumping genes" called transposons. TBD also talks about how HGT contributes to the evolution of prokaryotes and antibiotic resistance.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
In this video, That Bio Doc walks you through the process of DNA replication. DNA replication is a highly conserved and complex mechanism that occurs in all living cells. TBD breaks down this process and discusses the different enzymes and activities needs to replicate an organism's genome. TBD also discusses the differences between prokaryotic and eukaryotic DNA replication.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
In this video, That Bio Doc introduces you to the basics of metabolism. Learn how the first two laws of thermodynamics influence how you make energy. Learn the difference between an exergonic and an endergonic chemical reaction and how enzymes make both types of reaction possible in living systems. This video will provide you with essential information about how energy is produced and stored in all organisms.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc talks about transport. Transport is the way substances are moved across the selectively permeable barrier that is the plasma membrane. Learn the difference between passive and active transport and the different transport mechanisms cells use to bring the good stuff in and keep the bad stuff out. Learn about osmosis and tonicity and why plant cells love pure water while your cells don't. This video pairs nicely with TBD's video about The Plasma Membrane if you're interested in cell biology.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc talks about the intricate complexity of the eukaryotic cell. Learn about organelles like the nucleus, mitochondria, chloroplasts, lysosomes, the endoplasmic reticulum, the Golgi apparatus, and more. TBD also discusses how the organelles allow for cell specialization the importance of this to multicellular life. TBD also talks about the cytoskeleton and cell junction complexes.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
What are the differences between DNA and RNA? That Bio Doc discusses the structure and function of nucleic acids in this video.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
In this video, That Bio Doc introduces you to the sweet world carbohydrates! Come see how sugars combine in different ways to make life as we know possible.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
Mathematics revision tutorial demonstrating how to factorise quadratic expressions into two brackets from https://mr-mathematics.com
The full four part lesson and differentiated worksheet can be downloaded from https://mr-mathematics.com/product/factorising-quadratics/.
Students learn how to factorise quadratics in the form x2 + bx + c into two brackets with a mixture of negative and positive terms. As the learning progresses students begin to use the difference of two squares to factorise quadratics with a zero x term.
For regular updates about new lessons and videos:
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Let's figure out the effect of substituents on the acidic strength of phenols. How will an electron-donating group or an electron-withdrawing group affect the acidic strength of phenol?
Practice this concept - https://www.khanacademy.org/sc....ience/up-class-12-ch
Check out more videos and exercises on “Alcohols, phenols and ethers” - https://www.khanacademy.org/sc....ience/up-class-12-ch
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Revathi Ramachandran
This lecture is about VSEPR theory and molecular shapes or valence shell electron repulsion theory in chemistry.
To learn more about vsepr theory, watch this animated lecture till the end.
#vseprtheory
#molecularshapes
#chemistry
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Virtual Image. Created by Sal Khan.
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Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/dispersion?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #youcanlearnanything
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Professor John Mavrogenes (Mav) from the Australian National University (anu.edu.au) explores remote sensing techniques for finding mineral resources. This is part of a series of videos on non-renewable resources
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
Mineral and energy resources are discovered using a variety of remote sensing techniques (for example, satellite images, aerial photographs and geophysical datasets) and direct sampling techniques (for example, drilling, core sampling, soil and rock sampling) to identify the spatial extent of the deposit and quality of the resource (ACSES073)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Dr Brad Opdyke from the Australian National University (anu.edu.au) looks at how technological advances have changed modern oil and gas extraction methods. This is part of a series of videos on non-renewable resources.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
The type, volume and location of mineral and energy resources influences the methods of extraction (for example, underground, open pit, onshore and offshore drilling and completion) (ACSES074)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Dr Brad Opdyke from the Australian National University (anu.edu.au) shares information on how fracking works. This is part of a series of videos on non-renewable resources.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
The type, volume and location of mineral and energy resources influences the methods of extraction (for example, underground, open pit, onshore and offshore drilling and completion) (ACSES074)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Kathleen (Kate) Harriden (PhD candidate) from the Australian National University (anu.edu.au). Tells the story of how she came to work on water management, incorporating indigenous science into her projects.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
Kate's bio:
B. As (Thai) (ANU), B. Sc (ANU), GradDip. PA (Canberra), M. A. (As) (ANU), M. Geog (ANU), PhD candidate (ANU)
Kate is an advocate of multidisciplinary and transdisciplinary research, as evidenced in much of her previous research from slums as environmental actors to opening the black box of intra-household water use. She is particularly interested in including traditional ecological knowledge in contemporary urban water management practices and policy development. She will continue combining water science with social science during her PhD research.
Kate is the current holder of the Icon Water Aspi Baria Scholarship. She has held positions on a number of committees, including the Aust. Water Assoc. (AWA) ACT Branch Committee and the Aust. Assoc. for Environmental Education (AAEE) ACT and National committees.
Her Master of Geographical Sciences sub-thesis, “Fluid boundaries: the hyporheic zone of a tropical, tidal river”, investigated the hyporheic zone of a small site on the Bang Pakong River, Thailand. Whereas her Master of Arts (Asian Studies) sub-thesis, “Stormwater: why waste it”, examined the influence of different ecological knowledge systems on the way stormwater is perceived and valued.
Kate has worked both as an independent researcher and held a number of positions across all levels of government. This PhD project was inspired by her most recent public sector position, in the ACT Government's Healthy Waterways project. The Healthy Waterways project will see the construction of a series of water sensitive infrastructure projects, across a number of catchments, to contribute to improved water quality in the Murrumbidgee Catchment.
While working as an independent researcher, Kate developed a water diary, variations of which are now widely used in many research projects examining intra-household water flows. This research lead her to a guest lecturer role in a post-graduate ANU unit, Exploring Gender and Development, from 2008 - 2012. She was also the co-ordinator of the organizing committee for the international conference on water’s social dimensions "Tapping the Turn", held at ANU in 2012 (https://www.youtube.com/watch?v=QM0sk2Z6wSc). Kate was a guest editor of the Tapping the Turn special edition of the Australasian Journal of Environmental Management (V. 20 No. 3 2013). From 2009 - 2014 she was the co-ordinator of the international network of household water use researchers. She has also translated children’s books (from English to Thai) and fables and folk tales (from Thai to English), that are in the process of being published.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Professor Richard Arculus from the Australian National University (anu.edu.au) looks at the sustainability of metal resources. This is part of a series of videos on how human activities affect sustainability.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
The abundance of a renewable resource and how readily it can be replenished influence the rate at which it can be sustainably used at local, regional and global scales (ACSES078)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Shoshana Rapley (PhD candidate) from the Australian National University (anu.edu.au) looks at wildlife endangerment. This is part of a series of videos on how human activities affect sustainability.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
Any human activities that affect ecosystems (for example, species removal, habitat destruction, pest introduction, dryland salinity) can directly or indirectly reduce populations to beneath the threshold of population viability at local, regional and global scales and impact ecosystem services (ACSES081)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Let's learn the various part of cloning vectors. We will explore what ori, rop, selectable markers, and restrictions sites are.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
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Created by Khaditajul Qubra
In this video, we explore how today's population can help us predict how it will be like in the future. And, talk about the showrunner of this prediction: the age pyramids.
Timestamps:
00:00 - What is an age pyramid?
01:52 - Expanding age pyramid
05:44 - Declining age pyramid
07:48 - Stable age pyramid
09:32 - India's age pyramid
Practice this concept: https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Organisms and their Environments through practice exercises and videos: https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Organisms and Populations: https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with biology, find the complete bank of exercises and videos for Class 12 Biology here: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by Sulagna Das
Let's figure out the value of phase constant under certain conditions!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by Vibhor Pandey
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Let's explore the exciting pea plant experiment by Mendel
More free lessons & practice -https://www.khanacademy.org/sc....ience/in-in-class9th
Khan Academy is a nonprofit organization with the mission of providing free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
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What makes up a plant body? What different cells are present in plants? How do they look like under the microscope? Watch this video to learn the basic types of tissues found in plants.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
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Created by Nivedhitha Suresh
In this video we look at the major plant tissues groups from temporary to permanent tissues. We look at how to identify them, their functions and structure.
Table of contents
Intro 00:00
Meristem 01:26
Epidermis 03:10
Stomata 06:06
Root hair cell 07:05
Parenchyma 08:23
Collenchyma 10:49
Sclerenchyma 12:49
Xylem and Phloem 15:09
watch more about field work , see the objectives of conducting field work and some methods that are used
How to increase the volume on your computer
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When families are forced to flee their homes, children are severely impacted. Refugee children face a greater risk of exploitation and abuse if they are deprived of education and away from the safety that the school provides.
UNHCR and Educate A Child - a global initiative of the Education Above All Foundation - believe that every refugee girl and boy should be in school. Through their new three-year partnership programme Educate A Child and UNHCR will be help enrol and retain over 710,000 refugee children affected by conflict and forced displacement in parts of Africa, Asia and the Middle East.
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Support our work with refugees now by subscribing to this channel, liking this video and sharing it with your friends and contacts. Thanks so much for your help.
This video will teach you how to add and edit data Microsoft Office EXCEL in an easy way. If you have any suggested topics that you want to know about MS Excel, just comment down below.
Learn the basics of using Microsoft Excel, including the anatomy of a spreadsheet, how to enter data, how to make your data look good so it's easier to read and use, and more. This tutorial was made using Excel 2016 but is applicable to older versions of Excel and newer versions too.
Learn many of the intermediate skills, tips, and tricks that you'll need in order to be able to use Excel effectively.
PLAYLIST: https://www.youtube.com/watch?v=uBUi7UWAKHo&list=PL7t3MEU4wMqHGoWjtrQYE5RyOB6h1xfNi
This video shows you how to Make Basic Math Calculations. Burn to learn focuses on a simple way to solve this problem. We show you
how to do simple: 1) additions, 2) subtractions, 3) multiplications, 4) divisions. Learning how to use these Methods is what this video is
all about, be sure and checkout the entire playlist http://www.youtube./c/burntolearn/LINK -TO-PLAYLIST.
Want help with this video, in addition to this course we offer personalized training here :
http://www.burntolearn.com/link_to_btl "
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License
Creative Commons Attribution license (reuse allowed)
#informationandtutorials #officeexcel #mathcalculation
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0:16 What It Does
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3:51 App Features
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June 29, 2016
Prime Minister Trudeau and President Obama deliver addresses to Parliament. http://pm.gc.ca/eng/news/2016/....06/29/joint-statemen
I explain the EASIEST way to understand how to set up these questions and answer them. The key is to write an equation for the Revenue NOW and then another with the changes added for Revenue MAX Once you have this equation it's as simple as finding the zeros, add them up, divide by two and you have the NUMBER of changes that need to be made to maximize your revenue. NOTE the NUMBER of changes does NOT equal the new price.
You will still need to substitute in your x value to find the new price and the number of items sold at that price.
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For more Revision and Past Papers, you may join my Telegram Channels for Biology and Chemistry using the following links;
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![Full wave rectification and diode bridge [IB Physics HL]](https://i.ytimg.com/vi/Y8qjpjNJuF0/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![HL Moment of inertia [IB Physics HL]](https://i.ytimg.com/vi/q73EsvfU0Vc/maxresdefault.jpg)
This is part of the IB's NEW physics syllabus, which means you have exams in May 2025 or later.
*If you have exams in May 2024 or Nov 2024, then you should look at the videos I have for that - see the OLD syllabus section at: https://www.youtube.com/@OSC1990
![Gravitational field strength [IB Physics SL/HL]](https://i.ytimg.com/vi/dfbagDmcEF0/maxresdefault.jpg)
This is part of the IB's NEW physics syllabus, which means you have exams in May 2025 or later.
*If you have exams in May 2024 or Nov 2024, then you should look at the videos I have for that - see the OLD syllabus section at: https://www.youtube.com/@OSC1990
![HL Gravitational field example [IB Physics HL]](https://i.ytimg.com/vi/f0dNlI-Mzgg/maxresdefault.jpg)
This is part of the IB's NEW physics syllabus, which means you have exams in May 2025 or later.
*If you have exams in May 2024 or Nov 2024, then you should look at the videos I have for that - see the OLD syllabus section at: https://www.youtube.com/@OSC1990
![Ohm’s law, resistance and power [IB Physics SL/HL]](https://i.ytimg.com/vi/qb_T_elcLQo/maxresdefault.jpg)
This is part of the IB's NEW physics syllabus, which means you have exams in May 2025 or later.
*If you have exams in May 2024 or Nov 2024, then you should look at the videos I have for that - see the OLD syllabus section at: https://www.youtube.com/@OSC1990
Chapter Name: Polynomials
Topic: Value of a Polynomial
Grade: X
Author: Tushar Sinha
What is meant by value of a Polynomial. How to find out a polynomial if the values of polynomials are given.
__________________________________________________________________________________________
A STEP BY STEP GUIDE TO PREPARE FOR BOARDS & COMPETITIVE EXAMINATIONS
This session can be useful to students of high school of CBSE, ICSE, IGCSE or State Boards, as well as those who are preparing for competitive exams like NTSE, IIT JEE, NEET, KVPY, CET, Olympiads, Bank PO, CLAT, SAT, CAT, GMAT, GRE, UPSC Civil Services Examination, NDA
For more such
a) Sessions and courses,
b) Practice worksheets,
c) MCQ Quiz,
d) Self-Assessment Tests,
e) Query resolution (through video conferencing)
please visit: https://centum.learnyst.com/learn
Website: www.centumacademy.com
Follow us for more interesting discussions on
www.facebook.com/centumacademy
www.instagram.com/centumacademy
#CentumAcademy #Algebra #Polynomials
Chapter Name: Polynomials
Topic: Zeroes of a Polynomial
Grade: X
Author: Tushar Sinha
What is meant by Zero of a Polynomial. Visual representation of Zeroes of a Polynomial. Number of zeroes of a polynomial of degree n.
__________________________________________________________________________________________
A STEP BY STEP GUIDE TO PREPARE FOR BOARDS & COMPETITIVE EXAMINATIONS
This session can be useful to students of high school of CBSE, ICSE, IGCSE or State Boards, as well as those who are preparing for competitive exams like NTSE, IIT JEE, NEET, KVPY, CET, Olympiads, Bank PO, CLAT, SAT, CAT, GMAT, GRE, UPSC Civil Services Examination, NDA
For more such
a) Sessions and courses,
b) Practice worksheets,
c) MCQ Quiz,
d) Self-Assessment Tests,
e) Query resolution (through video conferencing)
please visit: https://centum.learnyst.com/learn
Website: www.centumacademy.com
Follow us for more interesting discussions on
www.facebook.com/centumacademy
www.instagram.com/centumacademy
#CentumAcademy #Algebra #Polynomials
Chapter Name: Polynomials
Topic: Relation between zeros and coefficients of a Polynomial
Grade: X
Author: Tushar Sinha
Expressing P(x) =ax^2+bx+c in terms of sum and products of zeros
Sum of zeros = -b/a
Product of zeros = c/a
__________________________________________________________________________________________
A STEP BY STEP GUIDE TO PREPARE FOR BOARDS & COMPETITIVE EXAMINATIONS
This session can be useful to students of high school of CBSE, ICSE, IGCSE or State Boards, as well as those who are preparing for competitive exams like NTSE, IIT JEE, NEET, KVPY, CET, Olympiads, Bank PO, CLAT, SAT, CAT, GMAT, GRE, UPSC Civil Services Examination, NDA
For more such
a) Sessions and courses,
b) Practice worksheets,
c) MCQ Quiz,
d) Self-Assessment Tests,
e) Query resolution (through video conferencing)
please visit: https://centum.learnyst.com/learn
Website: www.centumacademy.com
Follow us for more interesting discussions on
www.facebook.com/centumacademy
www.instagram.com/centumacademy
#CentumAcademy #Algebra #Polynomials
Chapter Name: Sequences and Series
Topic: Solved example
Grade: X
Author: Tushar Sinha
Solved example on sum of n terms of an AP
________________________________________________________________________________________________
A STEP BY STEP GUIDE TO PREPARE FOR BOARDS & COMPETITIVE EXAMINATIONS
This session can be useful to students of high school of CBSE, ICSE, IGCSE or State Boards, as well as those who are preparing for competitive exams like NTSE, IIT JEE, NEET, KVPY, CET, Olympiads, Bank PO, CLAT, SAT, CAT, GMAT, GRE, UPSC Civil Services Examination, NDA
For more such
a) Sessions and courses,
b) Practice worksheets,
c) MCQ Quiz,
d) Self-Assessment Tests,
e) Query resolution (on video conferencing)
Please visit: https://centum.learnyst.com/learn
Website: https://centumacademy.com/
Follow us for more interesting discussions on
Facebook: https://www.facebook.com/centumacademy
Instagram: https://www.instagram.com/centumacademy
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#CentumAcademy #Algebra #SequencesAndSeries
Chapter Name: Sequences and Series
Topic: Solved example
Grade: X
Author: Tushar Sinha
Solved example on sum of n terms of an AP
________________________________________________________________________________________________
A STEP BY STEP GUIDE TO PREPARE FOR BOARDS & COMPETITIVE EXAMINATIONS
This session can be useful to students of high school of CBSE, ICSE, IGCSE or State Boards, as well as those who are preparing for competitive exams like NTSE, IIT JEE, NEET, KVPY, CET, Olympiads, Bank PO, CLAT, SAT, CAT, GMAT, GRE, UPSC Civil Services Examination, NDA
For more such
a) Sessions and courses,
b) Practice worksheets,
c) MCQ Quiz,
d) Self-Assessment Tests,
e) Query resolution (on video conferencing)
Please visit: https://centum.learnyst.com/learn
Website: https://centumacademy.com/
Follow us for more interesting discussions on
Facebook: https://www.facebook.com/centumacademy
Instagram: https://www.instagram.com/centumacademy
Twitter: https://twitter.com/centumacademy
#CentumAcademy #Algebra #SequencesAndSeries
Chapter Name: Sequences and Series
Topic: Solved example
Grade: X
Author: Tushar Sinha
Solved example on sum of n terms of an AP
________________________________________________________________________________________________
A STEP BY STEP GUIDE TO PREPARE FOR BOARDS & COMPETITIVE EXAMINATIONS
This session can be useful to students of high school of CBSE, ICSE, IGCSE or State Boards, as well as those who are preparing for competitive exams like NTSE, IIT JEE, NEET, KVPY, CET, Olympiads, Bank PO, CLAT, SAT, CAT, GMAT, GRE, UPSC Civil Services Examination, NDA
For more such
a) Sessions and courses,
b) Practice worksheets,
c) MCQ Quiz,
d) Self-Assessment Tests,
e) Query resolution (on video conferencing)
Please visit: https://centum.learnyst.com/learn
Website: https://centumacademy.com/
Follow us for more interesting discussions on
Facebook: https://www.facebook.com/centumacademy
Instagram: https://www.instagram.com/centumacademy
Twitter: https://twitter.com/centumacademy
#CentumAcademy #Algebra #SequencesAndSeries
![B2.3 HL Cell Specialisation [IB Biology HL]](https://i.ytimg.com/vi/-ydRCYwF3D8/maxresdefault.jpg)
This is part of the IB's NEW Biology syllabus, which means you have exams in May 2025 or later. The videos were designed and recorded by Cheryl Hickman
![D3.1 Plant Reproduction [IB Biology SL/HL]](https://i.ytimg.com/vi/s7fbzKjr7aM/maxresdefault.jpg)
This is part of the IB's NEW Biology syllabus, which means you have exams in May 2025 or later. The videos were designed and recorded by Cheryl Hickman
Let's explore how clouds are formed through this simple activity!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
How do cacti, lotus and pine trees survive and thrive in their habitat? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What kind of energy do moving objects have? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's draw a ray diagram to understand the path of light when it reflects off a mirror!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What happens if you strike two metal spoons inside water? Do you hear them striking, or not? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's look at one method of obtaining fabric from fiber!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What are clothes made up of? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
What happens when white light passes through a prism! Something, beautiful! Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Activity: https://youtu.be/Hc4kDe-Fptw
Timestamps
Practice this concept - “link to exercise”
Master the concept of “topic name” through practice exercises and videos - Link to topic
Check out more videos and exercises on “unit name” - Link to unit
To get you fully ready for your exam and help you fall in love with “subject” name, find the complete bank of exercises and videos for “class and subject name” here - Link to the course
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Activity: https://youtu.be/omAdc2ImbMM
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
If you like what you saw here and organic chemistry has started to make a whole lot more sense, head over to [a]www.altacademy.org[/a] for access to:
1. Videos
2. Past Paper Solutions
3. Revision Guides
4. Notes
5. Doubt solving with experts
6. Flashcards
7. An active and global online community
PLUS a whole lot more. Not just for Chemistry, but 5 other A Level subjects.
See you there
[a]www.altacademy.org[/a]
www.instagram.com/altacademyorg
help@altacademy.org
![Overview of Operating Systems and Linux [Dev Concepts #22]](https://i.ytimg.com/vi/IEekOvNPUNY/maxresdefault.jpg)
Different Operating Systems run on different types of hardware and are designed for different types of applications. For example, iOS is designed for iPhones and iPad tablets, while Mac desktops and laptops use macOS. Your computer or smartphone comes equipped with an OS, but you can install another one in some cases. For Software developers, Linux is one of the must-learn Operating Systems.
➡️ Find the full blog post here: https://softuni.org/dev-concep....ts/overview-of-opera
⭐ Table of Contents ⭐
00:00 Introduction
01:06 Operating Systems
09:00 Outro
Watch more Dev Concepts here: https://www.youtube.com/playli....st?list=PLIF8tJJOPz9
Get more great content by subscribing: https://bit.ly/3DyAJ7m
💻 Want to learn to code professionally? Enroll in our Java or JavaScript Developer programs here: https://softuni.org/learn
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And remember, you learn to code by writing code. Do the assignments, submit them in the SoftUni Judge system, and get instant results. Do not hesitate to ask for assistance from me or any of the mentors and members of the SoftUni Global Community. Our mission is to create experts by helping you learn Programming and start a job in IT.
Till next time!
#dev #programming #codelessons #free #lessons #codewithnakov #softuniglobal
Part of NCSSM CORE collection: This video shows the chemical change that occurs during the thermal decomposition of Copper Carbonate. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAit/
Part of NCSSM CORE collection: Introduction to chapter 3: Atomic and Molecular Structure. dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAiz/
Part of NCSSM CORE collection: This video shows the measurement of the conductivity of different concentrations of calcium chloride with a conductivity probe and the determination of the concentration of an unknown solution. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAiS/
Part of NCSSM CORE collection: This video shows the determination of the yield of NaCl from the reaction of NaHCO3 and HCl . http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAiF/
Part of NCSSM CORE collection: This video shows the technique of an acid-base titration. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAiJ/
Part of NCSSM CORE collection: This video is the introduction to Chapter 14 of the web course. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAfs/
Part of NCSSM CORE collection: This video shows the collection of titration data to determine the equilibrium constant for the hydrolysis of an ester. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAft/
Part of NCSSM CORE collection: This video shows the collection of data to determine the K sp of Ca(OH)2 in water and a solution of CaCl2. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAfu/
Part of NCSSM CORE collection: This video is an exploration of what buffers are and buffer capacity. http://www.dlt.ncssm.edu
Please attribute this work as being created by the North Carolina School of Science and Mathematics. This work is licensed under Creative Commons CC-BY http://creativecommons.org/licenses/by/3.0
Help us caption & translate this video!
http://amara.org/v/GAf1/
![Probability basics [IB Maths AI SL/HL]](https://i.ytimg.com/vi/x3bIRp7axUw/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Chi-squared GOF (Goodness of Fit) test [IB Maths AI SL/HL]](https://i.ytimg.com/vi/9iWGC7I8JD0/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Cosine rule [IB Maths AA SL/HL]](https://i.ytimg.com/vi/5xrB2uUb4Lw/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Arc length and sector area [IB Maths AA SL/HL]](https://i.ytimg.com/vi/739B9ejkjVE/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
![Exponential growth and decay models [IB Maths AI SL/HL]](https://i.ytimg.com/vi/_PDGqdVjyig/maxresdefault.jpg)
Are you preparing for your IB maths exams? We've got you covered! OSC Study features exams created by IB experts in mathematics, showing you every step of every solution. Try it out for free here: https://app.oscstudy.com/
We're so excited to be able to share our exams with you!
Cheers, Mitch
Which one's a physical change and which one's a chemical change? We have two cases here, Dissolving sugar and burning sugar. Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's explore Autotrophs, holozoic, saprotrophs & parasites
More free lessons & practice -https://www.khanacademy.org/sc....ience/in-in-class9th
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
Let's explore the translocation through phloem
More free lessons & practice -https://www.khanacademy.org/sc....ience/in-in-class9th
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
Take my Full MySQL Course Here: https://bit.ly/3tqOipr
Learn how to Install SQL Server Management Studio, Create Tables, and Insert data into those tables.
Select + From Statements - https://www.youtube.com/watch?v=PyYgERKq25I
Where Statement - https://www.youtube.com/watch?v=A9TOuDZTPDU
Group By + Order By - https://www.youtube.com/watch?v=LXwfzIRD-Ds
____________________________________________
LINKS:
SQL Server Management Studio:
https://docs.microsoft.com/en-....us/sql/ssms/download
SQL Server:
https://www.microsoft.com/en-u....s/sql-server/sql-ser
Github Scripts:
https://github.com/AlexTheAnal....yst/SQL-Code/blob/ma
____________________________________________
SUBSCRIBE!
Do you want to become a Data Analyst? That's what this channel is all about! My goal is to help you learn everything you need in order to start your career or even switch your career into Data Analytics. Be sure to subscribe to not miss out on any content!
____________________________________________
RESOURCES:
Coursera Courses:
Google Data Analyst Certification: https://coursera.pxf.io/5bBd62
Data Analysis with Python - https://coursera.pxf.io/BXY3Wy
IBM Data Analysis Specialization - https://coursera.pxf.io/AoYOdR
Tableau Data Visualization - https://coursera.pxf.io/MXYqaN
Udemy Courses:
Python for Data Analysis and Visualization- https://bit.ly/3hhX4LX
Statistics for Data Science - https://bit.ly/37jqDbq
SQL for Data Analysts (SSMS) - https://bit.ly/3fkqEij
Tableau A-Z - http://bit.ly/385lYvN
*Please note I may earn a small commission for any purchase through these links - Thanks for supporting the channel!*
____________________________________________
Websites:
GitHub: https://github.com/AlexTheAnalyst
____________________________________________
*All opinions or statements in this video are my own and do not reflect the opinion of the company I work for or have ever worked for*
Excel is one of the most used skills in the data world. In this series we will be walking through all of the most important topics that Data Analysts need to know in order to be proficient in Excel.
Excel Charts Template: https://github.com/AlexTheAnal....yst/Excel-Tutorial/b
Udemy Excel Courses:
Pivot Tables in Excel: https://bit.ly/3ffIxk1
Visualizations and Charts in Excel: https://bit.ly/3qesfyu
All Excel Essentials: https://bit.ly/3JRlJ8B
____________________________________________
SUBSCRIBE!
Do you want to become a Data Analyst? That's what this channel is all about! My goal is to help you learn everything you need in order to start your career or even switch your career into Data Analytics. Be sure to subscribe to not miss out on any content!
____________________________________________
RESOURCES:
Coursera Courses:
Google Data Analyst Certification: https://coursera.pxf.io/5bBd62
Data Analysis with Python - https://coursera.pxf.io/BXY3Wy
IBM Data Analysis Specialization - https://coursera.pxf.io/AoYOdR
Tableau Data Visualization - https://coursera.pxf.io/MXYqaN
Udemy Courses:
Python for Data Analysis and Visualization- https://bit.ly/3hhX4LX
Statistics for Data Science - https://bit.ly/37jqDbq
SQL for Data Analysts (SSMS) - https://bit.ly/3fkqEij
Tableau A-Z - http://bit.ly/385lYvN
*Please note I may earn a small commission for any purchase through these links - Thanks for supporting the channel!*
____________________________________________
SUPPORT MY CHANNEL - PATREON/MERCH
Patreon Page - https://www.patreon.com/AlexTheAnalyst
Alex The Analyst Shop - https://teespring.com/stores/alex-the-analyst-shop
____________________________________________
Websites:
GitHub: https://github.com/AlexTheAnalyst
Instagram: @Alex_The_Analyst
____________________________________________
*All opinions or statements in this video are my own and do not reflect the opinion of the company I work for or have ever worked for*
September 8 is International Literacy Day. Literacy is vital for self-esteem, functionality, and career advancement. This video sheds light on the issue and clarifies what we can do to increase global literacy. #literacy #internationalliteracyday #literacyday #simpleshowfoundation
What are life skills? Which ones do students learn in school? Find out in our video.
This video was created by Chris Ross.
This video was created to support the campaign "Goal 4 - Quality Education". Find more information on our website http://simpleshow-foundation.org/.
There are varying ideas on how to make schools safer. Learn some of these ideas in our video.
This video was created by Chris Ross.
This video was created to support the campaign "Goal 4 - Quality Education". Find more information on our website http://simpleshow-foundation.org/.
http://www.rootmath.org | Calculus 1
Examining the geometry of the trig functions sec(x) and tan(x)
I mention that I couldn't find information. I do not mean to imply that the information isn't out there (it certainly is), I just couldn't find it after doing some brief searches so I decided to just toy with these ideas on my own. I hope this encourages you to do the same!
What will happen if we wrap a poly bag around a leaf and leave it overnight? Let's find out!
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's explore virtual objects and how to use the idea of virtual objects in numericals
00:00 Virtual object in a plane mirror
03:09 Virtual object in a thick convex lens
09:12 Using virtual objects in questions with multiple thin lenses
Practice this concept - https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Refraction in thin lenses through practice exercises and videos - https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Ray optics and optical instruments- https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics -https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Vibhor Pandey
Let's explore the ray tracing technique to figure out the properties of images when things are kept in front of a concave or a convex mirror.
Created by Mahesh Shenoy
We will find the properties of the image formed by a convex mirror.
We will do that using the mirror formula and by applying the sign convention.
Created by Mahesh Shenoy
Let's explore refraction of light through any parallel sided medium. Will also see why things appear to shift (lateral shift) when looked through such a medium.
Created by Mahesh Shenoy
Let's explore the refractive index in detail. We will see the difference between absolute and relative refractive index
Created by Mahesh Shenoy
Let's find an expression between the relative refractive index and absolute refractive index
Created by Mahesh Shenoy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Critical incident angle and total internal reflection. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/dispersion?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/reflection-refraction/v/snell-s-law-example-2?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
What causes the famous 22-degree halo around the sun? In this video let's explore the concept of minimum deviation in a prism and how that results in beautiful halo formations.
Created by Mahesh Shenoy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Convex Lenses. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/convex-lens-examples?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/convex-parabolic-mirrors?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/sc....ience/physics/geomet
Convex Lens Examples. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/concave-lenses?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/geometric-optics/mirrors-and-lenses/v/convex-lenses?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channe....l/UC0oGarQW2lE5PxhGo
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us
Let's explore the scattering of light with the help of an experiment. When we shine a laser through a glass of water with few drops of milk, we can see the path of light. This effect is often called the Tyndall effect. Created by Mahesh Shenoy
Why do distant things get blurred when we concentrate on things close to us? Why can't we see things which are very close to us?
Let's explore how our eyes work and get answers to questions like these by exploiting the power of ray diagrams
Created by Mahesh Shenoy
Let's help our friend, Veena, to select the right lens for her eyes.
Created by Mahesh Shenoy
Let's explore our magnifying glass a little more and see what's the min. and maximum magnification it can give.
Created by Mahesh Shenoy
This video talks about the methods to form amides in a laboratory using carboxylic acid and its derivatives. It also talks about why do we add a base in a mixture of acid halide and ammonia to get an amide, or why do we heat a mixture of an acid and ammonia to form an amide.
00:00- Introduction
01:40- Acid and ammonia
2:22- Why heat?
2:45- Acid chloride and ammonia
6:00- Acid chloride and amines
7:16- Use of a base while reacting an acid chloride with ammonia
8:18- Acid anhydride and ammonia
9:11- Ester and ammonia
9:51- Summary
Practice this concept -https://www.khanacademy.org/sc....ience/class-12-chemi
Master the concept of "Formation of amides from CADs" through practice exercises and videos - https://www.khanacademy.org/sc....ience/organic-chemis
Check out more videos and exercises on "Nucleophilic Substitution Reactions of CADs" - https://www.khanacademy.org/sc....ience/organic-chemis
To get you fully ready for your exam and help you fall in love with “Chemistry”, find the complete bank of exercises and videos for “Class 12 Chemistry” here - https://www.khanacademy.org/sc....ience/organic-chemis
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Aanchal Arora
http://www.rootmath.org | Calculus 1
We get familiar with concavity and how it relates to the derivative
This is video 4 in series on summations. In this video we combine the 3 formulas and 2 properties of sums we learned in the last videos to solve more complex sums.
Summation Playlist:
1. https://youtu.be/4AR1iK46Cmg
2. https://youtu.be/_EEQhsUo888
3. https://youtu.be/Htq1Hny0nrw
4. https://youtu.be/O26Ew36qKG0
Channel: https://youtube.com/rootmath
Basics video: https://youtu.be/vDLMSiBENCY
This video descirbes the method of multiplication by vedic method using base and supplement or poorak.
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.
Subscribe to our YouTube channel - https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by
Devashish
In this video, we find out what really happens after you flush down last night's dinner. We discover the importance of microbes in sewage treatment and how we have shaped a critical process around it.
Timestamps:
00:00 Introduction
00:51 Primary treatment
03:32 Secondary treatment and BOD
09:11 Sludge digestion
Practice this concept: https://www.khanacademy.org/sc....ience/in-in-class-12
Master the concept of Microbes in Sewage Treatment through practice exercises and videos: https://www.khanacademy.org/sc....ience/in-in-class-12
Check out more videos and exercises on Microbes in Human Welfare: https://www.khanacademy.org/sc....ience/in-in-class-12
To get you fully ready for your exam and help you fall in love with biology, find the complete bank of exercises and videos for Class 12 Biology here: https://www.khanacademy.org/sc....ience/in-in-class-12
Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.
Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy!
Subscribe to our YouTube channel: https://www.youtube.com/c/khanacademy
As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Sulagna Das
Let's explore the male reproductive system in humans
More free lessons & practice -https://www.khanacademy.org/sc....ience/class-10-biolo
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Created by Mahesh Shenoy
https://www.youtube.com/watch?v=IqgMga4-P5I&list=PLTjLwQcqQzNKzSAxJxKpmOtAriFS5wWy4
Here you will learn how an electric dipole (e.g. a molecule) behaves in a homogeneous and inhomogeneous electric field. More: https://en.fufaev.org/thermodynamic-process
Books by Alexander Fufaev:
1) Equations of Physics: Solve EVERY Physics Problem
https://en.fufaev.org/physics-equations-book
2) Alexander Fufaev and His Never Ending Story:
https://en.fufaev.org/lifestory
https://www.youtube.com/watch?v=9kTVNmejpco&list=PLTjLwQcqQzNKzSAxJxKpmOtAriFS5wWy4
00:00 Introduction
00:16 Difference: Connection
00:47 Difference: Current
01:21 Difference: Voltage
02:00 Difference: Resistance
02:33 Difference: Conductance
More: https://en.fufaev.org/lessons/1238
https://www.youtube.com/watch?v=4AtRxT1yOTE&list=PLTjLwQcqQzNKzSAxJxKpmOtAriFS5wWy4&index=8
00:00 Introduction
00:25 Velocity selector (electric & magnetic force).
03:20 Derive velocity of particle
04:24 Derivation: Mass Spectrometer Formula
06:25 Specific charge, neutrons and facts
Dr Brad Opdyke from the Australian National University (anu.edu.au) introduces the idea of included fragments and cross cutting relationships as a method of relatively dating rocks. This as part of a series of educational videos on reading the rocks.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
A relative geological time scale can be constructed using stratigraphic principles including superposition, cross cutting relationships, inclusions and correlation (ACSES016)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Chitrangada (Chini) Datta from the Australian National University (anu.edu.au) looks at the relative timescale of the State Circle shale and sandstone in Canberra. This as part of a series of educational videos on reading the rocks.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Introduction to Earth systems'.
This video touches on the following curriculum descriptors:
A relative geological time scale can be constructed using stratigraphic principles including superposition, cross cutting relationships, inclusions and correlation (ACSES016)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Stopping potential is the minimum negative voltage applied to the anode to stop the photocurrent. The maximum kinetic energy of the electrons equal the stopping voltage, when measured in electron volt.
Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc
Created by Mahesh Shenoy
Find out more about Dr Nick White's ANU Supramolecular Chemistry Group at https://nwhitegroup.com.
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Relevant to curriculum descriptors: ACSBL050 - Biochemical processes in the cell are controlled by the nature and arrangement of internal membranes, the presence of specific enzymes, and environmental factors.
ACSBL051 - Enzymes have specific functions, which can be affected by factors including temperature, pH, the presence of inhibitors, and the concentrations of reactants and products.
Created by the ARC Centre of Excellence for Translational Photosynthesis. Presented by Professor Spencer Whitney.
Spencer’s research focuses on utilising novel biotechnological tools to scrutinize the biology of the biospheres most abundant protein, the photosynthetic Carbon dioxide-fixing enzyme Rubisco.
Spencer undertook his Bachelor of Science (Honours) and PhD at James Cook University.
From 2004 to 2009 he held an ARC Research Fellowship and from 2009 to 2013 held an ARC Future Fellowship.
0:00 Introduction
0:34 How big is it?
1:03 Catalytic sites
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via http://meristem.anu.edu.au/ind....ex.php/new-to-merist
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Sexual selection is a form of natural selection that results in the accumulation of sexually dimorphic traits, which are structures or behaviors found in one sex of a species but not the other. At first glance, the high survival cost of traits such as bright plumage or large antlers may seem anti-evolutionary, but as That Bio Doc explains, survival is only half of the equation when it comes to reproductive fitness. Come see why sexual selection, which was once a source of consternation for evolutionary biologists, may provide the best evidence for how natural selection shapes species over time.
All cells have to communicate with the outside world. Whether that's sensing changes in the environment or talking with other cells, this occurs through a process called cell signaling. In this video, That Bio Doc introduces you to four types of common signaling process: autocrine, paracrine, gap junction, and endocrine signaling.
That Bio Doc talks all about how bacteria and other prokaryotes have organized genomes to contain operons, or multiple genes under the control of a single promoter. TBD uses the lac and trp operons to teach you how bacteria are able to efficiently regulate their gene transcription in response to changing environmental conditions through the activity of proteins called repressors.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc discusses the 5 I's on Microbiology: Inoculation, Incubation, Isolation, Inspection, and Identification. Learn more about microbial culture , including: the impact that temperature and oxygen can have on microbes and the types of tests that can be used to identify microbes.
Music: Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc breaks down the process of cellular respiration - the way aerobic organisms produce the energy they need to survive and the reason why we breathe oxygen. TBD talks about redox reactions and takes you through glycolysis, pyruvate oxidation, the citric acid (Krebs) cycle, and the electron transport chain and discusses how these enzymatic pathways work together to produce ATP. This video gives you a detailed overview of cellular respiration without getting bogged down into the specific reactions that take place in each process and will be useful to any student who is learning about metabolism.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc discusses what microbes need to survive and how to grow them in a laboratory. Learn how to classify organisms based on their nutritional requirements, the types of growth media used in a microbiology lab, and how Koch's Postulates can be used to define a microorganism as the causative agent of a particular disease.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
In this video That Bio Doc talks all about proteins, the biological macromolecules responsible for performing most of the work in the cell. Learn how proteins are synthesized from amino acid monomers, how they fold properly, and why they are so important for living things.
Music:
Cheery Monday by Kevin MacLeod
Link: https://incompetech.filmmusic.....io/song/3495-cheery-
License: http://creativecommons.org/licenses/by/4.0/
That Bio Doc introduces you to the diverse world of lipids! In this video, you will learn about what lipids look like, how the function, and the many roles within biological systems.
Link to video on Introduction to Biological Macromolecules: https://youtu.be/ESrp0xqpn1k
Professor John Mavrogenes (Mav) from the Australian National University (anu.edu.au) provides an overview of direct sampling techniques for finding mineral resources. This is part of a series of videos on non-renewable resources
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
Mineral and energy resources are discovered using a variety of remote sensing techniques (for example, satellite images, aerial photographs and geophysical datasets) and direct sampling techniques (for example, drilling, core sampling, soil and rock sampling) to identify the spatial extent of the deposit and quality of the resource (ACSES073)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
Professor John Mavrogenes (Mav) from the Australian National University (anu.edu.au) provides an overview on finding energy resources. This is part of a series of videos on non-renewable resources.
This clip has been created by the Research School of Earth Sciences (rses.anu.edu.au). These resources are part of a comprehensive program, curriculum matched to the unit 'Unit 3 Living on Earth - extracting, using and managing Earth resources'.
This video touches on the following curriculum descriptors:
Mineral and energy resources are discovered using a variety of remote sensing techniques (for example, satellite images, aerial photographs and geophysical datasets) and direct sampling techniques (for example, drilling, core sampling, soil and rock sampling) to identify the spatial extent of the deposit and quality of the resource (ACSES073)
For practice questions after each video, register an account to access our free senior science courses at https://courses.meristem.anu.edu.au. Teachers can access free lesson plans and in-class activities by joining our teacher community via https://meristem.weblogs.anu.e....du.au/index.php/new-
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
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The Daniell cell is a type of electrochemical cell invented in 1836 by John Frederic Daniell, a British chemist and meteorologist, and consists of a copper pot filled with a copper (II) sulfate solution, in which is immersed an unglazed earthenware container filled with sulfuric acid and a zinc electrode.
The median is a measure of central tendency that represents the middle value of a dataset when it is arranged in order. One way to estimate the median of a dataset is by using a cumulative curve.
A cumulative curve, also known as a cumulative frequency curve, is a graph that shows the cumulative frequency of a dataset. The x-axis represents the values of the dataset, and the y-axis represents the cumulative frequency. To create a cumulative curve, you first need to arrange the data in order, and then calculate the cumulative frequency for each value.
To estimate the median using a cumulative curve, you need to find the value where the cumulative frequency is exactly half of the total frequency.
For example, if you have a dataset of 10 values with a total frequency of 20, the median would be the value where the cumulative frequency is 10 (half of 20). By looking at the cumulative curve, you can find the value that corresponds to a cumulative frequency of 10, which is your estimate of the median.
In practice, if you have a large dataset, it may be more practical to use a cumulative frequency table rather than a graph. And if you have a continuous dataset, you can use a cumulative density function (CDF) instead of a cumulative frequency.
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Dealing with Condition Formating in Excel
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How to use the FONT and ALIGNMENT in Excel
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Learn how to do data analysis, sorting, filtering, finding and replacing data in Excel
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The human brain is a complex organ composed of a vast network of interconnected cells called neurons. It is the center of our nervous system and is responsible for regulating and controlling bodily functions, including thoughts, emotions, behavior, and bodily movements. The brain is divided into several main regions, each with specific functions.
1. Cerebrum: The largest part of the brain, divided into two hemispheres (left and right). Each hemisphere is further divided into four lobes - frontal, parietal, temporal, and occipital. The cerebrum is responsible for higher cognitive functions, such as decision-making, problem-solving, memory, language, and sensory perception.
2. Cerebellum: Located at the back of the brain, it is responsible for coordinating voluntary muscle movements, balance, and posture.
3. Brainstem: Connects the brain to the spinal cord and is composed of three main parts - the midbrain, pons, and medulla oblongata. It is responsible for many essential functions such as regulating heartbeat, breathing, sleeping, and maintaining consciousness.
4. Limbic System: Located deep within the cerebral hemispheres, the limbic system plays a crucial role in emotional regulation, memory formation, and the experience of pleasure and reward. It includes structures like the hippocampus, amygdala, and hypothalamus.
5. Corpus Callosum: A broad band of nerve fibers that connects and allows communication between the two hemispheres of the brain.
Within this general structure, the brain is also divided into specific areas that perform specialized functions. These areas include the sensory cortex (perception of touch, pain, and temperature), motor cortex (voluntary motor control), visual cortex (processing visual information), auditory cortex (processing auditory information), and many others.
It is important to note that the structure of the brain is highly interconnected and integrated, allowing for efficient communication between different regions. This interconnectedness enables various brain functions and contributes to our complex cognitive abilities.
The human eye is a complex and delicate organ responsible for vision. It is a sensory organ that detects light and converts it into electrical signals that the brain can interpret.
The main structures of the human eye include:
1. Cornea: The clear outermost layer of the eye that acts as a protective barrier. It helps focus incoming light onto the retina.
2. Iris: The colored part of the eye that controls the amount of light entering the eye by changing the size of the pupil.
3. Pupil: The dark circular opening at the center of the iris. It dilates or constricts in response to light intensity.
4. Lens: A transparent, flexible structure behind the iris. It focuses light onto the retina by changing shape through accommodation.
5. Retina: The innermost layer of the eye that contains millions of light-sensitive cells called rods and cones. It converts light into electrical signals and sends them to the brain via the optic nerve.
6. Rods: Photoreceptor cells in the retina responsible for black and white vision and detecting movement in low light conditions.
7. Cones: Photoreceptor cells in the retina responsible for color vision, detailed central vision, and visual acuity.
8. Optic Nerve: A bundle of nerve fibers that carries electrical signals from the retina to the brain, allowing for visual perception.
9. Macula: A small region near the center of the retina that contains a high concentration of cones and is responsible for central vision, including reading and fine detail recognition.
10. Fovea: A small depression within the macula where the concentration of cones is the highest. It is responsible for sharp and clear central vision.
11. Sclera: The tough, white outer covering of the eyeball, known as the "white of the eye."
12. Choroid: A layer between the sclera and the retina that provides oxygen and nourishment to the outer layers of the retina.
13. Aqueous and Vitreous Humors: Transparent fluids that fill the front and back of the eye, respectively, helping to maintain its shape and provide nutrition.
These structures work together seamlessly to allow the eye to collect and focus light, convert it into electrical signals, and send those signals to the brain for interpretation, thus enabling vision.e
This video is part of meriSTEM Australian senior science educational resources (CC BY-NC-SA 4.0). Email the team (contact.meristem@anu.edu.au) for further information, course access and curriculum links.
