SC-410
Particle model of matter
Lower Sec Science · Secondary 1 · Medium · Particle model of matter
A sealed container of air is cooled from 30 °C to 0 °C. Which statement best describes the change in motion of the air particles?
- They stop moving completely.
- They move faster and further apart.
- They move more slowly but still randomly.
- They vibrate about fixed positions only.
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