Earth's Catastrophic Past Worksheet

Earth's Catastrophic Past Worksheet Movie Summary: Brilliant graphics depict the formation of the oceans, show how volcanoes played a major part in creating the first life forms, bring dinosaurs to life and extinction, and re-create the continental collisions that formed the... (more details for Earth's Catastrophic Past *)

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File #841 Info: Created by Deb Bogard on November 22, 2009 using Ohio State standards for students at a grade 6-8 level.

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