| A | B |
|---|
| Element | Matter with all of the same kind of atom. |
| Compounds | Made from two or more elements combined. |
| Substance | Either an element or compound. |
| Heterogeneous Mixture | A mixture, materials are spread out unevenly. |
| Homogeneous Mixture | A solution, materials are spread out evenly, a solution. |
| Solution | Another name for a homogeneous mixture. |
| Colloid | A heterogeneous mixture that never settles. |
| Suspension | A heterogeneous mixture in which particles will settle. |
| Tyndall Effect | The scattering of light by particles in a mixture. |
| Smog | A common colloid pollution. |
| Physical property | A characteristic of a material that you can observe without changing it. |
| Physical change | A change that does not change the substances in a material. |
| Chemical change | A change of one substance ina material to a different substance. |
| Chemical property | A characteristic that indicates if it can undergo a certain chemical change. |
| Law of conservation of mass | Matter is neither created or destroyed. |
