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Most Popular Clips

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A playlist of the most popular clips on ClassHook.


Bill Nye, the Science Guy: Weathering and Erosion

5m 10s

Bill Nye is obssessed with erosion and explains that rocks change over time. He explains what causes weathering (although he calls it erosion): water, ice, wind, sand, and chemicals. He illustrates the process of erosion in his lab.

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