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CPO Chapter 5 terms
| Question | Answer |
|---|---|
| Chemical energy | a type of energy stored in molecules. |
| Efficiency | the ratio of a machine’s output work to input work. |
| Electrical energy | another term for electricity. |
| 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). |
| 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. |
| Heat | a flow of thermal energy from one object to another object due to a temperature difference. |
| Horsepower | a unit of power; one of these is equal to 746 watts. |
| Joule | a unit for measuring work; this is equal to one Newton of force times one meter of distance. |
| Kinetic energy | energy that comes from motion. |
| Nuclear energy | the form of energy that comes from splitting the nucleus of an atom, or fusing two nuclei of an atom. |
| Potential energy | stored energy that comes from position. |
| Power | the rate at which work is done. |
| Radiant energy | another term for electromagnetic energy. |
| 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. |
| Solar power | radiant energy from the sun that is harnessed for use. |
| Watt | the metric, or SI, unit of power. |
| Work | the quantity of force times distance; the result of machines performing tasks. |
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tjmelia
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