Original Project
Weather and Climate I: Basic Elements
Item WC115001: Liquid water evaporates into the air both when the air is very cool and when the air is very warm.
Which of the following statements is TRUE about air temperature and water vapor in the air?
- Water vapor in the air comes from the evaporation of liquid water, and liquid water evaporates only when the air is very warm.
- Water vapor in the air comes from the evaporation of liquid water, and liquid water evaporates only when the air is very cool.
- Water vapor in the air comes from the evaporation of liquid water, and liquid water evaporates both when the air is very cool and when the air is very warm.
- Liquid water cannot become water vapor in the air when the air is very cool or when the air is very warm.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 769 | 2785 | 28% |
| Grades | |||
| 6–8 | 442 | 1631 | 27% |
| 9–12 | 326 | 1152 | 28% |
| Gender | |||
| Male | 354 | 1367 | 26% |
| Female | 398 | 1368 | 29% |
| Primary Language | |||
| English | 696 | 2521 | 28% |
| Other | 52 | 191 | 27% |