| A | B |
|---|
| Anything that has mass and takes up space | matter |
| The amount of space that matter occupies | volume |
| Two or moresubstances are mixed togather but not chemically combined | mixture |
| A substance made of two or more elements chemically combined | compound |
| A pure substance that cannot be broken down into simpler substances by chemical or physical means | element |
| The smallest particle of an element | atoms |
| A measure of the force of gravity on an object | weight |
| A very well-mixed mixture | solution |
| A measure of how much matter is in an object | mass |
| The ratio of the mass of a substance to its volume; or a description of how tightly a packed a substance's particles | density |
| A change in which one or more substances combine or break apart form new substances | chemical change |
| A change in a substance that does not change its indentity | physical change |
| Resistance of a liquid to flow | viscosity |
| 2 or more atoms that are chemically bonded | molecule |
| a substance in which there is only one type of particle or atom | pure substance |
