Instructional Video7:03
Flipping Physics

Deriving Escape Velocity of Planet Earth

12th - Higher Ed
Escape velocity is defined and illustrated. The escape velocity of planet Earth is derived.
Instructional Video
Institute and Museum of the History of Science

Museo Galileo: Multimedia: Video: Copernican System

9th - 10th
A video explaining the Copernican system of our solar system. [1:30]