| A | B |
|---|
| density | the amoung of matter per unit volume |
| gas | matter without a definite shape or a definite volume |
| liquid | matter with a definite volume but no definite shape |
| mass | the amount of matter in something |
| solid | matter with a definite shape and volume |
| properties | qualities of matter such as color, shape, odor, and hardness |
| physics | the scientific study of energy and how it interacts with matter |
| chemical energy | energy stored in molecules |
