Original Project
Atoms, Molecules, and States of Matter
Item AM049003: The distance between water molecules increases when a cup of cold water warms up to room temperature.
What happens when a cup of cold water warms up to room temperature?
- The size of the water molecules decreases.
- The number of water molecules increases.
- The mass of the water molecules decreases.
- The distance between the water molecules increases.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 2900 |
6–8 n = 1858 |
9–12 n = 1033 |
Male n = 1429 |
Female n = 1439 |
English n = 2548 |
Other n = 302 |
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| A. | The size of the water molecules decreases. | 16% | 17% | 12% | 15% | 15% | 15% | 18% |
| B. | The number of water molecules increases. | 20% | 23% | 13% | 18% | 21% | 19% | 26% |
| C. | The mass of the water molecules decreases. | 19% | 21% | 16% | 19% | 19% | 18% | 25% |
| D. | The distance between the water molecules increases. | 46% | 39% | 59% | 48% | 44% | 48% | 30% |