The geologic history of Earth is a fascinating one. This program highlights some of the most significant geologic events in Earth's history. The process of plate tectonics over time is explained via engaging animations. Contemporary footage from throughout the world illustrating volcanic activity, mountain building, and deposition helps students understand past geologic events. Other terminology includes: continental drift, tectonic plates, plate boundaries, mountain building, folding, faulting, landforms, molten rock, and lava.

Originally released by Visual Learning, 2005. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015. Teacher's guide available under Additional info tag.

Volcanic Forces Changed Mountains (2:08); --Earth's Origins (1:26); -- Early Earth (0:56); -- Theory of Plate Tectonics (1:10); -- The Moving Plates (1:22); -- The Power of Moving Plates (1:31); -- Mountain Building (2:06); -- Volcanoes and Plutons (1:13); -- Weathering, Erosion, and Deposition (2:35); -- Summing Up (1:26); -- Video Quiz (3:08); -- Credits: Earth’s Changing Surface (0:43);.