Wait a sec. Earth is hot on the inside? The continents move? And some German guy named Alfred Wegener noticed that Africa and South America fit together like puzzle pieces? That sounds like a magma-filled layer cake of mystery. Care to dig in? Topics include: Earth's Interior Layers, Plate Tectonics, and Evidence of Plate Tectonics.

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

Earth's Hot Body (4:30); --Earth's Other Layers (2:29); -- Evidence From Inside the Earth (1:56); -- Shifting Earth (5:53); -- Evidence of Plate Tectonics (9:37); -- Convection (2:09); -- Credits: Restless Earth (0:21); .