Original Project
Weathering, Erosion, and Deposition
The surface of the earth is changed as rock material is broken, carried, and dropped in new locations. -AND- Sm…
Item WE026004: Moving water continuously wears down earth's solid rock layer, which changes the shape of a valley even if you cannot see it happening.
Which of the following statements describes how long it takes for moving water to wear away the solid rock of a valley?
- It would take moving water about a hundred years or more to cause any change to the valley, no matter how small.
- It would take moving water millions of years or more to cause any change to the valley, no matter how small.
- Moving water continuously wears away the solid rock of a valley, which changes the valley even if you can’t see it happening.
- Moving water cannot wear away solid rock of a valley.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 465 |
6–8 n = 270 |
9–12 n = 195 |
Male n = 221 |
Female n = 236 |
English n = 406 |
Other n = 42 |
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| A. | It would take moving water about a hundred years or more to cause any change to the valley, no matter how small. | 14% | 17% | 10% | 14% | 15% | 14% | 19% |
| B. | It would take moving water millions of years or more to cause any change to the valley, no matter how small. | 15% | 16% | 15% | 19% | 13% | 15% | 19% |
| C. | Moving water continuously wears away the solid rock of a valley, which changes the valley even if you can’t see it happening. | 66% | 63% | 69% | 64% | 66% | 67% | 52% |
| D. | Moving water cannot wear away solid rock of a valley. | 5% | 4% | 6% | 4% | 6% | 4% | 10% |