How do you turn this thing off? Well, you can't. This is Earth, and the power button is always switched on. The energy is always flowing. But where is the button? Where does this energy come from? You're about to find out. Topics include: Energy and Heat, Solar Energy, Geothermal Energy, and Convection.

Originally released by Cerebellum Corporation, 2013. Streaming video file encoded with permission for digital streaming by Infobase on July 10, 2018.

Energy (2:15); --Heat (3:52); -- Solar Energy (1:31); -- Energy on Earth (1:20); -- Solar Energy on Earth (3:43); -- Solar Energy Powers Earth Systems (2:16); -- The Greenhouse Effect (2:07); -- Geothermal Energy (2:06); -- Convection (6:09); -- Credits: Energetic Earth (0:23);.