Original Project
Weathering, Erosion, and Deposition
Item WE050001: Wind can gradually wear away the solid rock of river valleys as much as thousands of feet over millions of years.
Which of the following statements describes how wind can change valleys?
- Wind can gradually wear away the solid rock of river valleys as much as thousands of feet over millions of years.
- Wind can wear away the solid rock of river valleys no more than several feet over many millions of years.
- Wind can wear away the solid rock of river valleys no more than several inches over many millions of years.
- Wind cannot wear away the solid rock of river valleys, even over many millions of years.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 418 | 1167 | 36% |
| Grades | |||
| 6–8 | 249 | 713 | 35% |
| 9–12 | 169 | 454 | 37% |
| Gender | |||
| Male | 210 | 572 | 37% |
| Female | 196 | 569 | 34% |
| Primary Language | |||
| English | 362 | 1020 | 35% |
| Other | 41 | 111 | 37% |
- 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.