Original Project
Plate Tectonics
The outer layer of the earth – including the continents and the ocean basins - consists of separate plates.
Item PT006002: The earth has twelve to fifteen very large plates.
Which of the following is TRUE about the earth?
- It has seven very large plates, one for each continent.
- It has about twelve to fifteen very large plates.
- It has about a hundred very large plates.
- It has one very large plate.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 1274 | 3170 | 40% |
| Grades | |||
| 6–8 | 788 | 2047 | 38% |
| 9–12 | 481 | 1110 | 43% |
| Gender | |||
| Male | 630 | 1508 | 42% |
| Female | 636 | 1621 | 39% |
| Primary Language | |||
| English | 1191 | 2885 | 41% |
| Other | 58 | 216 | 27% |
- Notes
- The number of plates is not specified in NGSS.