| A | B |
| matter | anything that has mass and occupies space |
| solid | the state of matter with a definite shape |
| liquid | the state of matter with a definite volume but no definite shape |
| physical properties | the characteristics of a substance that can be measured without changing the substance |
| gas | the state of matter that has no definite shape or volume |
| mass | the amount of matter in an object |
| evaporation | the changing of a liquid to a gas |
| weight | the pull of gravity on matter |
| condensation | changing from a gas to a liquid |
| volume | the amount of space anthing occupies |
| reactivity | the ability of a substance to react chemically |
| density | mass per unit of volume |
| combustibility | the ability to burn |
| solubility | the ability of a substance to dissolve |