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Definition
| a measure of the random motions of the components of a substance or average kinetic energy |
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| a flow of energy due to a temperature difference |
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Definition
| energy flows out of a system |
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Definition
| energy flows into a system |
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Definition
| atmosphere absorbs infrared radiation, raising temperature on Earth |
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Definition
| transfer of thermal energy by collisions between the particles of matter |
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| transfer of thermal energy in a fluid by the movement of warmer and cooler fluid from one place to another |
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| device that converts thermal energy into mechanical energy |
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| First Law of Thermodynamics |
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Definition
| Thermal energy of a system can change by energy transferred into a system as well as the work done on the system |
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| Second Law of Thermodynamics |
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Definition
| Heat energy spontaneously spreads from regions of higher concentration to regions of lower concentration |
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Definition
| a region or set of regions around which a boundary can be defined |
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| a material through which thermal energy moves slowly |
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Definition
| amount of heat needed to raise the temperature of 1 kg of matter by 1 degree celsius |
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Definition
| device used to transform radiant energy from the Sun into thermal energy |
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Definition
| study of the relationship between thermal energy, heat and work |
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Definition
| sum of kinetic and potential energy of particles that make up an object |
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| transfer of energy by electromagnetic waves |
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