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18 Cards in this Set
- Front
- Back
A watt is a unit of ____.
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power
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The stored energy in gasoline is ________ energy.
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chemical
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When a rollercoaster car is sitting still at the top of a hill, the car has _______.
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only potential energy
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The rate at which work is done is called _____.
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power
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Energy and work are both measured in units called ___.
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joules
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Each time energy changes form, some _____ energy is produced.
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waste
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Energy that is stored is called___.
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potential energy
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An example of kinetic energy is a _________.
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moving car
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A forest fire and rust on a nail are both products of a ______ reaction.
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chemical
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When energy changes form, the total amount of energy and matter ____________________________.
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stays the same.
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In a water molecule, oxygen and hydrogen atoms are hel together by ______.
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chemical bonds
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What type of energy does a battery have?
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chemical energy
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What type of energy does a radio have?
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sound energy
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What type of energy does a flashbulb have?
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light energy
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What type of energy does a ceiling fan have?
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mechanical energy
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Sunlight, heat, sound, and electricity are all forms of ___.
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energy
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What type of energy does a radiator have?
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heat energy
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The smallest bit of a chemical compound has the properties of that compound is called an ______.
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molecule
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