| A | B |
| chemical properties | ability or inability of a substance to combine with or change into one or more new substances |
| density | mass per unit volume of a substance |
| gas | state of matter with no definite shape or volume |
| liquid | state of matter with a definite volume but no definite shape |
| mass | amount of matter in an object |
| physical property | any characteristic of a material that you can observe without changing the identity of the material |
| solid | state of matter with a definite shape and volume |
| solubility | ability of one material to dissolve in another |
| state | condition or physical property of matter |
| volume | amount of space a material occupies |
| chemical change | a change in matter in which the substances that make up the matter change into other substances |
| expose | uncover |
| law of conservation of mass | states that the total mass is the same before and after chemical reactions |
| physical change | a change in the size, shape, form, or state of matter in which the matter's identity stays the same |