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Related Flashcards
Related Topics
Cards In This Set
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Energy
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The capacity to do work
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Kinetic energy
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Energy of motion
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Heat
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Thermal energyform of kinetic energy associated with movement of atoms of molecules in a body of matter
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Potential energy
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Second form of energystored energy an object possesses,as a result of its location or structure
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Cyclist's possible energy
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Kinetic- cyclist going up hillpotential- cyclist at top of hill (because of elevation)potential to kinetic- speedy ride downhill
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Chemical energy
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Potential energy of molecules
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Thermodynamics
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Study of energy transformations that occur in a collection of matter
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Scientists use the word __________ for the matter under study and refer to the rest of the universe outside the ___________ as the ______________.
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System, systemsurroundings
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The First Law of Thermodynamics
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Law of energy conservationstates the total amount of energy in the universe is constantenergy cannot be created or destroyed, but rather transferred and transformed
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Example of energy transformation in system
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By converting sunlight to chemical energy, a green plant acts as an energy transformer, not an energy producer.
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The Second Law of Thermodynamics background info
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Reason why energy organisms cannot recycle their energyduring every energy transfer or transformation, some energy becomes unusable, unable to workin most energy transformations, some energy is converted to heat
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Heat is lost to ______________.
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Surroundings
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Heat is a ___________ form of energy. Its release makes the universe more _____________.
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Disorderedrandom
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Entropy
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The amount of disorder in a system
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The Second Law of Thermodynamics
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States that energy conversions reduce the order of the universe and increase its entropy.
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