Matter & Energy Chapter 3
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13 Terms
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Energy
The ability to do work or to cause change
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Kinetic energy
The energy of motion
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Potential energy
Stored energy
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Mechanical energy
The energy that moves objects
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Sound energy
The result from the vibration of particles in a solid, liquid, or gas
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Chemical energy
Energy that is stored in the chemical composition of matter
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Thermal energy
The total amount of energy from the movement of particles in matter
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Electromagnetic energy
Energy that is transmitted through space in the form of electromagnetic waves
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Nuclear energy
Energy that is released when the nucleus of an atom breaks apart or when nuclei join together
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Law of Conservation of Energy
A law stating that no matter how energy is transferred or transformed, it continues to exist in one form or another
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Energy efficiency
A measurement of usable energy after an energy conversion
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Solar cell
A type of technology in which light-sensitive materials convert sunlight into electrical energy
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Electrical energy
the movement of electrons through matter