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Heat
Question | Answer |
---|---|
anything that has mass and takes up space | matter |
a material that allows heat to pass through it easily | conductor |
a material that prevents heat from passing through it | insulator |
to shrink, as when a material gets cooler | contract |
to spread out, as when a material gets hotter | expand |
the changing of a liquid into a gas | evaporation |
the changing of a gas to a liquid | condensation |
the particular temperature for each substance at which it changes state from a solid to a liquid | melting point |
the particular temperature for each substance at which it changes from a liquid to a gas | boiling point |
when a substance changes state from a liquid to a solid | freezing point |
the flow of heat through a material, causing hot parts to rise and cooler parts to sink | convection |
the giving off of infrared rays through space | radiation |
the passing of heat through a material while the material itself stays in place | conduction |
Water reacts differently to heat. When it is cooled, the water molecules _____________. | expand |