| A | B |
|---|
| Matter | anything that takes up space and has mass |
| mass | how much there is of an object |
| atoms | small parts of matter |
| property | describes how an object looks, feels, or acts |
| gram | unit used to measure mass |
| solid | state of matter that has a certain size and shape |
| liquid | state of matter that has a certain size but does not have a shape of its own; it lows |
| gas | a state of matter that has no size or shape of its own |
| contracts | matter that gets smaller and takes up less space |
| expands | matter that gets bigger and takes up more space |
| melt | a solid as it changes to a liquid |
| freeze | a liquid as it changes to a solid |
| evaporation | the change from a gas to a liquid |
| condensation | dew |
| dew | a form of condensation |
| water vapor | water in the gas state |
