Imprimer Ordonner les Lettres: Melting process (chemistry)

1. When a solid is heated, its particles _______________ heat.

N I A G

2. They vibrate ___________ and move further apart.

T E R A S F

3. When the particles gain enough heat, they ____________ away from their fixed positions and move around one another.

E K B R A

4. The __________ becomes a liquid.

D L I S O