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 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 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.