| A | B |
|---|
| PHYSICAL CHANGE | a change in the form but not the makeup of a substance |
| DENSITY | the measure of how closely packed an objects atoms are. |
| MIXTURE | a combination of two or more different substances |
| SOLUTION | a mixture where all the substances are mixed evenly |
| MELTING POINT | point where a substance changes from a solid to a liquid |
| FREEZING POINT | point at which a substance changes from a liquid to a solid |
| BOILING POINT | point where a liquid changes to a gas |
| SUBLIMATION | a solid changing directly to a gas. |
| REACTIVITY | ability of a substance to undergo a chemical change |
| CHEMICAL CHANGE | change in the chemical nature and properties of a substance |
| COMBUSTIBILITY | how easily a substanc will burn or combine with oxygen |
