Original Project
Atoms, Molecules, and States of Matter
All atoms and molecules are in constant motion.
Item AM063002: The water molecules in a glass of liquid water are moving at different speeds.
Which of the following describes the motion of the molecules in a glass of liquid water?
- The molecules are not moving.
- The molecules are moving at different speeds.
- The molecules are all moving at the same speed.
- The molecules move only when the glass of water is moving.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
||||
|---|---|---|---|---|---|---|---|---|
| n = 13095 |
6–8 n = 7846 |
9–12 n = 5197 |
Male n = 6317 |
Female n = 6560 |
English n = 11481 |
Other n = 1338 |
||
| A. | The molecules are not moving. | 7% | 7% | 6% | 7% | 6% | 6% | 10% |
| B. | The molecules are moving at different speeds. | 37% | 37% | 36% | 36% | 37% | 37% | 36% |
| C. | The molecules are all moving at the same speed. | 44% | 41% | 47% | 42% | 45% | 45% | 36% |
| D. | The molecules move only when the glass of water is moving. | 13% | 15% | 10% | 14% | 12% | 12% | 18% |