SC-426
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 decreases from 40 cm to 20 cm. What happens to the spacing between the air particles?
- The particles become closer together.
- The particles become further apart.
- The particles become larger in size.
- The number of particles decreases.
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