| A | B |
| Reactant | an original substance at the beginning of a chemical reaction |
| Chemical Reaction | an event that occurs as two or more substances are combined to form a new substance |
| Chemical Change | a change of matter that occurs when atoms link together in a new way, creating a new substance that is different from the original substances |
| Chemical Properties | any material's properties tthat become evident during, or after, a chemical reaction |
| Solubility | the maximum amount of a substance that can be dissolved by another substance |
| Solution | a mixture of substances that are blended so completely tha the mixture looks the same everywhere |
| mixture | a physical combination of two or more substances that asre blended together without forming new substances |
| Weight | a measure of gravitational force on an object |
| Matter | anything that takes up space |
| volume | a measure of how much space an object takes up |
| Density | the amount of matter in a certain volume of a substance |
| Buoyance | the upward push of a liquid or a gas on an object placed on it |