An educational program about Earth's geology, introduces a number of geologic concepts including : basin & range, continental crust, crustal spread, earthquakes, erosion, exotic terrain, geologic time, glaciers, granite batholiths, MOHO, pillow lava, plate tectonics, rifts, subduction zones, volcanic activity, and xenoliths.

A definitive introduction to the nature and workings of the Earth. Covers everything from earthquakes and plate tectonics to the formation of rocks and minerals.