CPO Chapter 5 terms
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| Chemical energy | a type of energy stored in molecules.
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| Efficiency | the ratio of a machine’s output work to input work.
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| Electrical energy | another term for electricity.
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| Energy | a fundamental building block of the universe; it appears in different forms (i.e., position, motion, or heat) and can travel in different ways (i.e., light, sound, or Electricity).
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| Energy transformation | the conversion from one kind of energy to another kind of energy; for example, an energy transformation occurs when potential energy is converted to kinetic energy.
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| Heat | a flow of thermal energy from one object to another object due to a temperature difference.
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| Horsepower | a unit of power; one of these is equal to 746 watts.
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| Joule | a unit for measuring work; this is equal to one Newton of force times one meter of distance.
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| Kinetic energy | energy that comes from motion.
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| Nuclear energy | the form of energy that comes from splitting the nucleus of an atom, or fusing two nuclei of an atom.
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| Potential energy | stored energy that comes from position.
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| Power | the rate at which work is done.
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| Radiant energy | another term for electromagnetic energy.
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| Radiation | (1) the process of emitting light or thermal energy; (2) a term to describe the particles and energy that are emitted from radioactive substances.
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| Solar power | radiant energy from the sun that is harnessed for use.
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| Watt | the metric, or SI, unit of power.
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| Work | the quantity of force times distance; the result of machines performing tasks.
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