Chapter 5-Plate Tectonics
Earth's InteriorThis video explains how scientists have learned about the two inner most layers of the Earth.
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Continental DriftThis video summarizes the evidence that Alfred Wegener used to support his theory of Continental Drift.
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Sea-Floor SpreadingThis video explains how the ocean floor expands and shrinks.
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The Theory of Plate TectonicsThis video describes the different plate boundaries and explains how movement at those boundaries change the Earth's surface.
The document below has a link to an interactive Plate Tectonics lab.
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