| A | B |
|---|
| Melting | changing from a SOLID to a LIQUID |
| Freezing | changing from a LIQUID to a SOLID |
| Boiling | changing from a LIQUID to a GAS at a substance's boiling point |
| Evaporating | changing from a liquid to a gas at the surface of a liquid (at all temperatures) |
| Condensing | changing from a gas to a liquid |
| chemical reaction | a change that results in the formation of a new substance |
| phase change | a change in the state of matter (solid, liquid, gas) |
| Law of Conservation of mass | mass is neither gained or lost during a chemical reaction or a physical change |
