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Week Four 9/10
Term | Definition |
---|---|
Thermometer | Measures temperature |
Weight | The measurement of the pull of gravity of an object |
Gravity | A force that pulls towards the center of a heavenly body |
Physical Properties | A characteristic of a substance that can be measured or observed |
Phases of Matter | Solid, liquid, gas |
Solid | Has a definite shape and volume and tightly packed molecules |
Liquid | Does not have a definite shape, changes to the shape of its container, and particles are packed together but not as much as a solid. |
Gas | Does not have a definite shape or volume, flows easily from one place to another, particles are the least packed together and expand to fill any space available. |
Evaporation | Water changes into a gas |
Condensation | Gas changes back into a liquid |