Original Project
Plate Tectonics
The earth's plates sit on a hot, slightly softened layer of the earth.
Item PT018001: Rocks can be solid, liquid, or in a slightly softened form.
Which of the following is TRUE about rocks?
- Rocks are always solid.
- Rocks are always either solid or liquid.
- Rocks are always either solid or are in a slightly softened form.
- Rocks can be solid, liquid, or in a slightly softened form.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 916 | 3189 | 29% |
| Grades | |||
| 6–8 | 561 | 2058 | 27% |
| 9–12 | 350 | 1118 | 31% |
| Gender | |||
| Male | 477 | 1516 | 31% |
| Female | 430 | 1629 | 26% |
| Primary Language | |||
| English | 849 | 2901 | 29% |
| Other | 42 | 218 | 19% |