Original Project
Plate Tectonics
The outer layer of the earth – including the continents and the ocean basins - consists of separate plates.
Item PT011002: The solid rock of a cliff is part of earth's plates.
Is any part of one of earth’s plates visible in the picture?
- Yes, the sand is part of a plate but the solid rock of the cliffs is not.
- Yes, the solid rock of the cliffs is part of a plate but the sand is not.
- No, the plates are sometimes visible, but no part of a plate can be seen in this picture.
- No, the plates are deep within the earth and can never be seen.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 879 | 3168 | 28% |
| Grades | |||
| 6–8 | 570 | 2044 | 28% |
| 9–12 | 303 | 1111 | 27% |
| Gender | |||
| Male | 464 | 1509 | 31% |
| Female | 404 | 1618 | 25% |
| Primary Language | |||
| English | 790 | 2887 | 27% |
| Other | 71 | 214 | 33% |