| A | B |
| heterogeneous | particles are not evenly mixed |
| homogeneous | particles are evenly mixed |
| mixture | substances are physically combined |
| mixture | substances can be physically separated |
| hetero | different |
| homo | same |
| matter | has mass and takes up space |
| solid | particles are packed closely together |
| liquid | particles are loosely packed |
| gas | particles all over the place |
| solute | material that gets dissolved |
| solvent | does the dissolving |
| solubility | the amount of a substance that will dissolve in a given amount of another substance |
| precipitate | products left over after a chemical reaction |
| solution | two substances that are evenly mixed (homogeneous mixture) |