Science Earth's Systems Procedural 7–8 yrs

Preventing Erosion

防止侵蚀

Description

Compare multiple solutions designed to slow or prevent wind or water from changing the shape of the land

Mastery Evidence

✓ Describe how wind and water can change the shape of land (erosion)
✓ Compare at least two design solutions for reducing erosion (e.g. retaining walls, plants, windbreaks)
✓ Evaluate which solution works best based on evidence from tests or observations

Assessment Prompt

If your child sees a sandcastle being washed away by waves, can they think of ways to protect it — like building a wall or planting grass to hold the sand?