Item AM045004: The molecules of cold water are closer together than the molecules of hot water.
How do the molecules of cold water differ from the molecules of hot water?
- The molecules of cold water are larger than the molecules of hot water.
- The molecules of cold water have fewer heat molecules mixed with them.
- The molecules of cold water have more mass than the molecules of hot water.
- The molecules of cold water are closer together than the molecules of hot water.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 3976 | 7689 | 52% |
| Grades | |||
| 6–8 | 2040 | 4417 | 46% |
| 9–12 | 1920 | 3234 | 59% |
| Gender | |||
| Male | 1897 | 3650 | 52% |
| Female | 2013 | 3908 | 52% |
| Primary Language | |||
| English | 3569 | 6764 | 53% |
| Other | 320 | 766 | 42% |
- Notes
- NGSS does not address thermal expansion or contraction of matter.

