| A | B |
| matter | anything that takes up space |
| physical property | a characteristic of matter like mass, volume, shape, and color |
| condense | to change from a gas to a liquid |
| evaporate | to change from a liquid to a gas without boiling |
| gas | matter that has no definite shape or volume |
| liquid | matter whose particles have definite volume and takes the shape of the matter's container |
| melt | to change from a solid to a liquid |
| solid | matter that takes up a certain amount of space and has its own shape |
| states of matter | forms that scientists call gasses, solids, and liquids |
| freeze | to change from a liquid to a solid |