Summary
Bill shows how water, wind, and ice slowly wear away the land, moving rock and soil and reshaping the surface over time.
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Teaching resources
Discussion questions
Discussion
Bill shows how water, wind, and ice slowly wear away the land, moving rock and soil and reshaping the surface over time..
- What forces cause erosion?
- What's the difference between weathering and erosion?
- How can erosion change a landscape over a long time?
Quick work-a-long
Vocabulary: erosion, weathering, sediment.
Try it: Explain how rain could slowly wear down a hill over many years.