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Rachel Berlin
Chapter 15 vocab
| Term | Definition |
|---|---|
| energy | the ability to do work |
| kinetic energy | the energy an object has due to its motion |
| potential energy | energy that is stored as a result of position or shape |
| gravitational potential energy | potential energy that depends upon an objects height above a reference point |
| elastic potential energy | the potential energy of an object that is stretched or compressed |
| mechanical energy | the energy associated with the motion and position of everyday objects |
| thermal energy | the total potential and kinetic energy of all the particles in an object |
| chemical energy | the energy stored in chemical bonds |
| electrical energy | the energy associated with electric charges |
| electromagnetic energy | a form of energy consisting of changing electric and magnetic fields |
| nuclear energy | the energy stored in atomic nuclei |
| energy conversion | the process of changing energy from one form to another |
| nonrenewable energy resources | a source of energy that exists in limited quantities and, once used, cannot be replaced except over the course of millions of years |
| fossil fuels | rich deposits of hydrocarbon mixtures that formed from the remains of organisms |
| renewable energy resources | a source of energy that can be replaced in a relatively short period of time |
| hydroelectric energy | energy obtained from flowing water |
| solar energy | sunlight that is converted into usable energy |
| geothermic energy | thermal energy beneath Earth's surface |
| biomass energy | the chemical energy stored in living things |
| hydrogen fuel cell | a cell that generates electricity from a controlled reaction between hydrogen and oxygen |
| energy conservation | the practice of finding ways to use less energy or to use energy more efficiently |
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rachel.berlin
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