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

Fact 2: Heat is Energy and is measured in Joules.

Given the two facts above, answer the question "What is required to melt something?" with the following options: 
- Heat
 - Calories
 - liquid
 - copper
 - Joules
 - warmth
 - Kinetic energy
 - sugar


 

 Heat        