Fact 1: Melting means changing from a solid into a liquid by adding heat energy.

Fact 2: Energy is needed to melt the ice.

Given the two facts above, answer the question "What can change to a solid from a liquid after adding heat energy?" with the following options: 
- Dew
 - ice
 - rock
 - gas
 - NaCl
 - Cars
 - DDT
 - fats


 

  ice       