Original Project
Plate Tectonics
When two plates are pulling apart, melted rock material rises up between the plates, creating new plate material…
Item PT041001: New plate material forms where two plates pull apart.
Based on the diagram below, which letter indicates a place where new plate material is forming?
- At the boundary of the continent and ocean basin
- In the middle of the ocean basin
- At the boundary where the two plates are pulling apart
- No new plate material is forming anywhere shown in the diagram.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 3156 |
6–8 n = 2038 |
9–12 n = 1105 |
Male n = 1504 |
Female n = 1610 |
English n = 2875 |
Other n = 213 |
||
| A. | At the boundary of the continent and ocean basin | 17% | 17% | 18% | 17% | 17% | 17% | 14% |
| B. | In the middle of the ocean basin | 21% | 22% | 17% | 20% | 21% | 20% | 25% |
| C. | At the boundary where the two plates are pulling apart | 49% | 47% | 51% | 50% | 48% | 49% | 45% |
| D. | No new plate material is forming anywhere shown in the diagram. | 14% | 14% | 14% | 13% | 15% | 14% | 16% |