Original Project
Plate Tectonics
The outer layer of the earth – including the continents and the ocean basins - consists of separate plates.
Item PT012001: Earth's plates are miles thick.
A scientist measured the thickness of one of earth’s plates. Which of the following could be the scientist’s measurement if she measured the thickness near the middle of the plate?
- Six inches
- Six feet
- Sixty feet
- Sixty miles
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 3176 |
6–8 n = 2050 |
9–12 n = 1113 |
Male n = 1514 |
Female n = 1621 |
English n = 2893 |
Other n = 216 |
||
| A. | Six inches | 11% | 12% | 10% | 10% | 13% | 11% | 15% |
| B. | Six feet | 16% | 17% | 15% | 16% | 16% | 16% | 21% |
| C. | Sixty feet | 31% | 32% | 28% | 29% | 33% | 31% | 27% |
| D. | Sixty miles | 42% | 39% | 47% | 46% | 38% | 42% | 36% |