SC-369
Diffusion
Lower Sec Science · Secondary 1 · Medium · Diffusion
A perfume bottle is opened at one end of a still classroom. After a while, students at the other end can smell the perfume.
Which statement best explains this observation using the particle model?
Which statement best explains this observation using the particle model?
- Perfume particles move randomly and spread out to fill the room.
- Air particles pull the perfume particles towards the students.
- Perfume particles become heavier and sink to the students.
- Perfume particles disappear near the bottle and reappear near the students.
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