| A | B |
|---|
| matter | The substance of all physical objects in the universe. |
| substance | Matter that alway has exactly the same composition. |
| element | A substance that cannot be broken down into simpler substances. |
| compound | A substance that is made from two or more simpler substances and can be broken. |
| mixture | Consists of multiple substances and can be classified as either heterogeneous or homogeneous. |
| heterogeneous | Parts are noticeably different from one another. |
| homogeneous | Substances are evenly distributed and cannot be distinguished from one another. |
| solution | A homogeneous mixture of solutions that have dissolved. |
| suspension | A heterogeneous mixture that separates into layers over time. |
| colloid | Contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension. |
| filtration | A process that separates materials based on the size of their particles. |
| distillation | A process that separates the substances in a solution based on their boiling points. |
| flammability | A material's ability to burn in the presence of oxygen. |
| reactivity | The property that describes how readily a substance combines chemically with other substances. |
| precipitate | Any solid that forms and separates from a liquid mixture. |
