Earth Science

This sounds like a great idea. Thanks for the suggestions. We're always looking to expand our variety of topics. In the mean time, check out our videos on physics, chemistry, and biology.

https://www.khanacademy.org/science/physics

https://www.khanacademy.org/science/chemistry

https://www.khanacademy.org/science/biology

I'm also thinking engineering beyond electrical. There's an electrical engineering course but I would like to see more engineering. By the way, electrical engineering should also have "Inventing" course with an "Inventor Mindset" part.