Original Project
Atoms, Molecules, and States of Matter
Item AM073002: The molecules of hot air are farther apart than the molecules of cold air.
How do the molecules of hot air differ from the molecules of cold air?
- The molecules of hot air are farther apart than the molecules of cold air.
- The molecules of hot air have less mass than the molecules of cold air.
- The molecules of hot air have more heat molecules mixed with them.
- The molecules of hot air are smaller than the molecules of cold air.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 2394 | 4501 | 53% |
| Grades | |||
| 6–8 | 1358 | 2767 | 49% |
| 9–12 | 1032 | 1724 | 60% |
| Gender | |||
| Male | 1150 | 2128 | 54% |
| Female | 1204 | 2298 | 52% |
| Primary Language | |||
| English | 2186 | 4009 | 55% |
| Other | 179 | 421 | 43% |
- Notes
- NGSS does not address thermal expansion or contraction of matter.