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Mixtures & Solutions
| Term | Definition |
|---|---|
| Matter | substance that occupies space, has mass, and is composed of microscopic particles |
| Substance | a particular kind of matter with uniform properties; can be seen, touched, or measured |
| Physical properties | observable characteristics of matter that can be used to identify particular materials |
| Physical change | a change to a substance without creating a new substance |
| Mixture | a sample of matter consisting of two or more substances in varying proportions; substances in a mixture retain (keep) their physical properties |
| Solution | a substance in which a solid, liquid, or gaseous substance is evenly distributed (or dissolved) within a liquid or sometimes a gas or solid |
| Conservation of matter | substance remains even though state or particle size may change |
| Dissolve | To spread out evenly in a liquid |
| Sieve | a tool that is used to separate particles of different sizes (AKA strainer, screen, colander) |