侵蚀与风化
Erosion and weathering
进行观察和测量，为风化作用或水、冰、风、植被造成的侵蚀速度提供证据。
Make observations and measurements to provide evidence of the effects of weathering or the rate of erosion by water, ice, wind, or vegetation
学习证据 / Evidence
- 定义风化（岩石在原地破碎分解）和侵蚀（破碎的岩石或土壤被搬运）。
- 描述至少三种风化或侵蚀作用力（水、冰、风、植被）的影响。
- 提供观察证据，说明风化或侵蚀如何改变了地貌。
- 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
评估问题 / Assessment
{{name}}能观察一座逐渐崩塌的悬崖或河岸，并解释水、风或冰是如何随着时间慢慢侵蚀岩石或土壤的吗？
Can {{name}} 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?