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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 |