Interconversions between the three states of matter
1 mark · EasyState what happens to the movement of particles when a solid is heated until it becomes a liquid.
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The particles vibrate faster and begin to move around each other.
Also accept: The particles vibrate more and are able to move past one another; The particles gain energy and start moving around each other
Common mistakes: The particles stay still; The particles gain mass
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Marking points
B1 · 1 mark · States that particles vibrate faster AND begin to move around each other when a solid becomes a liquid
Worked solution
When a solid is heated, the particles vibrate faster and eventually have enough energy to move around each other as a liquid forms.