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Earth's Systems and Changes · Weeks 19-27

Slow Changes to Earth's Surface

Students explore how wind and water can slowly change the shape of the land (erosion).

Key Questions

  1. Explain how wind can change the shape of rocks and sand.
  2. Compare the effects of slow-moving water and fast-moving water on land.
  3. Predict how a river might change a landscape over a very long time.

Common Core State Standards

2-ESS1-1
Grade: 1st Grade
Subject: Science
Unit: Earth's Systems and Changes
Period: Weeks 19-27

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