Science
Earth's Systems
Procedural
9–10 yrs
Erosion and weathering
侵蚀与风化
Description
Make observations and measurements to provide evidence of the effects of weathering or the rate of erosion by water, ice, wind, or vegetation
Mastery Evidence
- Define weathering (breaking down of rock in place) and erosion (movement of broken rock/soil)
- Describe the effects of at least three agents of weathering/erosion: water, ice, wind, vegetation
- Provide evidence from observations showing how weathering or erosion has changed a landscape
Assessment Prompt
Can your child look at a crumbling cliff or a river bank and explain how water, wind, or ice has slowly worn away the rock or soil over time?
