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Definition
| A measure of the AVERAGE kinetic energy of the particles in a substance |
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Definition
| A measure of the TOTAL kinetic energy of the particles in a substance |
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Term
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Definition
| The transfer of thermal energy |
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Term
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Definition
transfer of energy because of the location of object to a heat source
Example: a metal spoon heating up in a pot |
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Definition
the transfer of energy in a liquid or gas through a current, hot material rises because its less dense, cooler material sinks because its more dens;
example: a pot of boiling water |
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Definition
| A point where there is no more energy is the system and all movement of the molecules has stopped |
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| Three methods of heat transfer |
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Definition
| Convection, Conduction, Radiation |
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Term
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Definition
| A material that transfers heat and thermal energy well; ex: metals |
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Definition
| A material that does not transfer heat or thermal energy well; ex. wood, wool, cotton, cork |
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Definition
the transfer of energy through electromagnetic waves;
example: sunlinght, heat lamp |
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Definition
| Warmer objects to cooler ones |
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Term
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Definition
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Term
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Definition
| How much energy is required to raise the temperature of a substance |
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Definition
| Heats up quickly, requires very little energy |
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Definition
| Heats up slowly, requires a lot of energy |
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Term
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Definition
| Atoms are very spread out and move around a bunch; has lots of energy; no definite shape or volume |
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Term
| Why do substances have phase changes? |
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Definition
| They gain or lose thermal energy which rearranges the particles |
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Term
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Definition
| From a liquid to a solid, energy is LOST |
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Term
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Definition
| Atoms are packed close together and just vibrate in place; very little energy; has a definite shape and volume |
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Term
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Definition
| Solid to a liquid, energy is GAINED |
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Term
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Definition
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Term
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Definition
| Liquid to a gas, energy is GAINED |
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Definition
| Gas to a liquid, energy is LOST |
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Term
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Definition
| Gas to a solid, energy is LOST |
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Term
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Definition
| the process of a substance expanding when being heated |
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Term
| What happens to temperature through a state change? |
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Definition
| The temperature does not change, the thermal energy is just rearranging the atoms/molecules |
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Term
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Definition
| Solid to a gas, energy is GAINED |
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Term
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Definition
| Atoms are more spread apart and can move around each other; takes the shape of the container its in, has a definite volume |
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Term
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Definition
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Term
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Definition
| The expanding of matter when it is heated becuase kinetic energy increases and the particles spread apart |
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