| A | B |
|---|
| mass | a measure of how much matter there is in an object |
| balance | a tool that is used to measure mass |
| matter | anything that takes up space and has mass |
| solid | a state of matter that always has its own shape. |
| liquid | a state of matter that always has the same shape as its container. |
| gas | a state of matter that always has the same shape as the container it fills. You can not see this matter. |
| atoms | The smallest particles that makes up matter. |
| physical change | Any change in the size, shape, or state of matter. |
| water vapor | Water in the form of a gas. |
| freezing point | The temperature at which water begins to freeze. |
| boiling point | The temperature at which water begins to boil. |
| evaporation | The change from a liquid to a gas. |
| condensation | The change from a gas to a liquid. |
| chemical change | When one kind of matter becomes a different kind of matter. |
