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The ability to cause change....
energy
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Energy that moves objects...
mechanical
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Energy caused by vibrations of particles in solid, liquid or gas....
sound
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Energy stored in matter... ex. food....
chemical
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Energy from the movement of particles in matter (faster the molecules the hotter)
thermal
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Energy transmitted through space in the form of waves (ex. electricity, e-rays, microwave, light)
electromagnetic
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Fuels that can not be replaced....
non renewable energy
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Examples of non renewable energy sources...
coal, oil, natural gas
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What must burn to release energy?
fossil fuels
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What does fossil fuel cause?
pollution
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What is formed in the earth from plant or animal remains?
fossil fuels
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Energy source that can be renewed...
renewable source
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Energy that comes from moving water....
hydroelectric
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Energy that comes from sun light or sun heat...
Solare
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Energy that comes from moving air (wind mills)
wind
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Energy from the Earth's heat....
geothermal
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Energy from the nucleusd of an atom....
nuclear
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Renewable sources of energy are better because...
they are cleaner and the are in abundant supply
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Energy stored because of an object's position...
potential
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Energy of motion
kinetic energy
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If a person is at the top of a hill he has...
100 % potential energy and 0 % kinetic enery
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If a person is half way down the hill he has...
50 % potential energy and 50 % kinetic energy
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If a person ends at the bottom of a hill he has...
0 % potential and 100 % kinetic
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A measure of kinetic energy of a material...
temperature
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A tool for measuring temperature...
thermometer
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A law stating that no matter how energy is transferred or transformed, it continues to exist in one form or another...
law of conservation of energy
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A measurement of usabl energy after an energy conversion; the ratio of usable energy to the total energy after energy conversion....
energy efficiency
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