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Unit 1 - Miss Kimble
Physical Science
| Term | Definition |
|---|---|
| Mass | How much matter is in something. It ALWAYS stays the same |
| Volume | How much space something takes up |
| Density | Whether an object floats or sinks in water |
| Physical Properties | characteristics that can be observed or measured without changing the make up of a substance |
| States of Matter | Solid, Liquid, or Gas |
| Matter | Anything that has mass and takes up space |
| Solid | a state of matter that has a fixed shape and volume |
| Liquid | a state of matter that can change shape, but has a fixed volume |
| Gas | a state of matter that changes shape and volume |
| Evaporation | when liquid water becomes water vapor |
| Condensation | when water vapor becomes liquid water |
| Magnetism | the force of attraction or repel between 2 objects usually metal (iron, nickel, cobalt & steel) |
| Mixture | Two or more substances that when mixed together can be separated easily (trail mix, fruit salad) |
| Solution | Two or more substances that when mixed together can NOT be separated easily |
| Solubility | whether a substance dissolves in water (salt, sugar) |
| Dissolve | To add solid or gas to a liquid so that the particles get so small you can no longer see them |
| Conductor | A material that allows heat energy or electricity to pass through it easily (usually metal) |
| Insulator | A material that does not let heat energy or electricity to pass through easily (plastic, rubber, cloth, wood, Styrofoam) |
| Thermal Energy | The energy of moving particles that produces heat |