| A | B |
| Element | made up of only 1 type of atom |
| Matter | anything that takes up space and has mass |
| Compound | made up of two or more elements combined chemically always in the same ratio of atoms |
| Pure substance | an element or a compound |
| Mixtures | 2 or more substances physically combined |
| Heterogeneous mixture | large particles, unevenly mixed |
| Colloid | heterogeneous mixture that doesn't settle |
| Suspension | heterogeneous mixture that does settle |
| Homogeneous mixture | small particles, evenly mixed, stays suspended |
| Solution | a homogeneous mixture |
| Physical property | size, shape, color, state of matter |
| Physical change | change in size, shape, color, state of matter |
| Chemical property | indicates that a substance can change chemically |
| Chemical change | a subtance(s) changing into new substance(s) |
| Saturated Soution | A solution that is holding all the solute it can at that temperature |
| Unsaturated Soution | A solution that can hold more solute |
| Supersaturated Solution | A solution that is holding more solute than it can at a lower temperature |
| Dilute | A solution with a small amount of solute |
| Concentrated | A solution with a large amount of soute |
| Alloy | A solution of 2 or more metals mixed together |
| Solubility | The amount of solute that can dissolve in 100 grams of solvent |
| Atom | Smallest particle of matter |
| Volume | The amount of space an object occupies |
| Mass | The amount of matter in an object |
| Density | The amount of matter in a given amount of space |