Original Project
Plate Tectonics
The outer layer of the earth – including the continents and the ocean basins - consists of separate plates.
Item PT009001: Earth's plates are made of solid rock, and they can be seen where they are not covered by soil, loose rocks, or water.
What is TRUE about earth’s plates?
- The plates are made of solid rock that can never be seen because the plates are always deep within the earth.
- The plates are made of solid rock that can be seen where the plates are not covered by soil, loose rocks, or water.
- The plates are made of melted rock that can be seen where the plates are not covered by soil, loose rocks, or water.
- The plates are made of melted rock that can never be seen because the plates are always deep within the earth.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 3197 |
6–8 n = 2063 |
9–12 n = 1121 |
Male n = 1520 |
Female n = 1633 |
English n = 2908 |
Other n = 219 |
||
| A. | The plates are made of solid rock that can never be seen because the plates are always deep within the earth. | 36% | 36% | 35% | 36% | 35% | 36% | 35% |
| B. | The plates are made of solid rock that can be seen where the plates are not covered by soil, loose rocks, or water. | 24% | 23% | 26% | 28% | 22% | 24% | 27% |
| C. | The plates are made of melted rock that can be seen where the plates are not covered by soil, loose rocks, or water. | 12% | 11% | 13% | 12% | 12% | 12% | 14% |
| D. | The plates are made of melted rock that can never be seen because the plates are always deep within the earth. | 28% | 29% | 26% | 24% | 31% | 28% | 24% |