SC-406
Changes of state
Lower Sec Science · Secondary 1 · Medium · Changes of state
A student observes that ice melts into water when left at room temperature.
Which statement best explains this change using the particle model?
Which statement best explains this change using the particle model?
- Particles gain energy and can move past one another instead of only vibrating in fixed positions.
- Particles lose energy and become completely still.
- Particles get bigger and heavier when they melt.
- New particles are created and old ones are destroyed.
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