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By TED-Ed
Published in 2015
Tens of millions of years ago, plate tectonics set North and South America on an unavoidable collision course that would change the face of the Earth and spell life or death for thousands of species. Juan D. Carrillo explains the massive biological repercussions of this collision, which caused one...
Grade Level   5 6 7 8 9 10 11 12
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Several flash animations on physical geology topics. Topics include: rock cycle, mineral properties, weathering, sedimentary rocks, metamorphic rocks, faults and folds, Earth structure, plate tectonics, groundwater, river floods, mass movements, glaciers, shorelines.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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