Original Project
Weathering, Erosion, and Deposition
Small changes to the surface of the earth caused by wind and water can add up to large changes over long periods…
Item WE062002: The solid rock of valleys was being worn away by wind millions of years ago, and it is being worn away by wind today.
Which of the following is TRUE about the wearing away of the solid rock of valleys by wind?
- The solid rock of valleys was being worn away by wind millions of years ago, and is being worn away by wind today.
- The solid rock of valleys was being worn away by wind millions of years ago, but is no longer being worn away by wind today.
- The solid rock of valleys is currently being worn away by wind, but was not being worn away by wind millions of years ago.
- The solid rock of valleys was not being worn away by wind millions of years ago, and is not being worn away by wind today.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1243 | 2069 | 60% |
| Grades | |||
| 6–8 | 766 | 1266 | 61% |
| 9–12 | 472 | 793 | 60% |
| Gender | |||
| Male | 601 | 1004 | 60% |
| Female | 622 | 1030 | 60% |
| Primary Language | |||
| English | 1124 | 1828 | 61% |
| Other | 92 | 187 | 49% |
- Disciplinary Core Ideas
- ESS2.A Wind and water can change the shape of the land.
- Notes
- See NGSS Performance Expectation MS-ESS2-2: Construct an explanation based on evidence for how geoscience processes have changed Earth's surface at varying time and spatial scales.