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Matter Test 2
Heat Transfer
| Question | Answer |
|---|---|
| Heat Transfer is really neat. It always goes from.... | Hot to Cold |
| Examples are solid, liquid, gas, plasma | States of Matter |
| The measurement of the average amount of kinetic (or motion) energy within a substance. | Temperature |
| A phase change from a liquid to gas because of an increase in heat | Evaporation |
| A phase change from a solid directly to a gas, skipping the liquid phase. | Sublimitation |
| Heat flows from hot to cold until both objects reach the same temperature | Thermal Equilibrium |
| A phase change from a gas to a liquid because of a loss of heat. | Condensation |
| Added heat makes the molecules move farther apart causing the substance to expand. | Thermal Expansion |
| The process of a substance going from one phase to another due to an increase or decrease in energy. | Phase Change |
| The movement of energy from a higher concentration to a lower concentration. It moves from hot to cold. | Heat Transfer |
| The change of state from a liquid to a solid | Freezing |
| The direction heat moves | Hot to Cold |
| A phase change from a gas directly to a solid. Skipping the liquid phase | Deposition |
| Movement of heat in an electromagnetic wave | Radiation |
| Movement of heat through solids or objects that touch | Conduction |
| Movement of heat in fluids (gasses or liquids) | Convection |
| If I set a hot pot on the countertop, the pot will transfer heat with the counter until they reach about the same temperature. This is called ___________. | Thermal Equilibrium |
| If a solid and a liquid's molecules were touching which direction would heat transfer? *think hot to cold* | Liquid to Solid |
| If a gas and a liquid's molecules were touching which direction would heat transfer? *think hot to cold* | Gas to Liquid |
| If a gas and a solid's molecules were touching which direction would heat transfer? *think hot to cold* | Gas to Solid |
| What state of matter has the lowest temperature? | Solid |
| What state of matter has the highest temperature? | Gas |
| Movement of energy from hot to cold | Heat |
| When something melts its particles _________ heat | absorb |
| When something freezes its particles ________ heat | release |
| When something condenses (condensation) its particles _________ heat | release |
| When something evaporates its particles ________ heat | absorb |
| When something sublimates (sublimation) its particles _______ heat | absorb |
| When something deposits (deposition) its particles ______ heat | release |
| When something is heated its molecules move _________ | faster |
| When something loses heat its molecules move ___________ | slower |
| When molecules heat up they ______ ________ | speed up |
| When molecules cool down they _____ _______ | slow down |
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