SC-432
Particle model of matter
Lower Sec Science · Secondary 1 · Medium · Particle model of matter
A sealed syringe contains air. The plunger is pushed in so that the volume of air halves while no air escapes. Which statement best describes what happens to the air particles inside?
- They become smaller and move more slowly.
- They become smaller and move faster.
- They stay the same size but are closer together and collide more often.
- They stay the same size but are further apart and collide less often.
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