12 terms

Chpt 16-Energy

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Energy
the ability to do work
Joule
one unit of energy
Mechanical Energy
energy associated with motion
Heat Energy
the internal motion of particles of matter; often causes changes in temperature
Chemical Energy
the energy that bonds atoms or ions together
Electromagnetic Energy
Moving electric charges; is included in X-rays, radio waves and laser light
Nuclear Energy
When a nucleus splits, this type of energy is released; most concentrated form of energy
Potential Energy
energy stored in an object due to its position
Kinetic Energy
energy that a moving object has due to its motion
Gravitational Potential Energy
energy that is dependent on height above the earth's surface
Energy Conversions
changes in forms of energy
Heat Engine
machines that change heat energy into mechanical energy
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