| A | B |
| matter | anything that takes up space |
| physical property | anything you can observe about an object by using your senses |
| solid | takes up a specific amount of space; has a definite shape |
| liquid | volume that stays the same, but it can change its shape |
| gas | no definite shape or volume |
| atom | basic building blocks of matter |
| evaporation | process where liquid becomes gas |
| volume | amount of space matter takes up |
| mass | the amount of matter in an object |