| A | B |
| chemical change | changes to a new substance |
| condense | change from a gas to a liquid |
| volume | how much space something takes up |
| evaporate | change from a liquid to a gas |
| freeze | reducing the temperature to change to a solid |
| gas | expands to take up all available space |
| liquid | changes shape to match its container |
| melt | change from a solid to a liquid |
| physical change | A reversible change that still has the same properties |
| solid | mass and volume do not change |
| state | a condition of matter |
| water vapor | water as a gas |
| boiling point | 100 degrees celsius |
| freezing point | 0 degrees celsius |
| mass | the amount of matter in something |