Summary
A class monument keeps crumbling, leading to a lesson on how land wears away. They explore how water, wind, and ice slowly reshape the Earth.
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Teaching resources
Discussion questions
Discussion
A class monument keeps crumbling, leading to a lesson on how land wears away.
- What forces slowly wear rock away?
- How can water move whole piles of sand and soil?
- How might a hill change over hundreds of years?
Quick work-a-long
Vocabulary: erosion, weathering, sediment.
Try it: Explain how rain and wind could slowly wear down a sandcastle.