| A | B |
| matter | anything that has mass and takes up space |
| physical properties | characteristics of a substance that can be observed or measured without changing the substance into something else |
| mass | the amount of matter in an object |
| weight | a measure of the pull of gravity on an object |
| spring scale | how weight is measured |
| volume | amount of space that an object takes up |
| density | concentration of matter in an object |
| solubility | ability to be dissolved |
| solid | has a definite shape and a definite volume |
| liquid | has a definite volume but no definite shape |
| gas | does not have a definite shape or volume |
| evaporation | occurs when particles escape from a nonboiling liquid and become a gas |
| condensation | changes a substance from a gas to a liquid |
| sublimation | change in state of matter from solid to gas |
| reactivity | ability of a substance to react chemically |
| physical change | change in which no new substances are formed |
| chemical change | change in which one or more new substances are formed |
| combustibility | ability to produce heat and light |