Summary
Distinguishes between weathering (breaking rock down in place) and erosion (moving the broken pieces away) and shows how water, wind, and ice shape Earth's landscape over time.
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All ages
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Teaching resources
Discussion questions
Discussion
- What is the difference between weathering and erosion?
- Name three agents of weathering and erosion shown in the video.
- Why do mountains become shorter and smoother over millions of years?
- How can erosion be a problem for farmers? What might they do about it?
Quick work-a-long
Vocabulary: weathering, erosion, deposition, sediment, agent, landform.
Try it: Place a sugar cube on a tray. Use a spray bottle to mist it — that's 'chemical weathering.' Then blow through a straw to move the sugar grains — that's 'erosion.' Draw and label what happened at each step.