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14 Cards in this Set
- Front
- Back
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What do like charges do?
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repel
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What do opposite charges do?
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attract
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Early compasses were made from rocks called ___.
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lodestones
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Name the temperature at which a liquid becomes a solid.
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freezing point
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What is the temperature called at which a solid becomes a liquid?
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melting point
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Name the temperature at which a liquid becomes a gas.
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boiling point
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In order to burn all fuels need this.
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oxygen
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The word combustion is another word for ???
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burning
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When one object gives some or all of its energy to another object what takes place?
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transfer of energy
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The first airplane had an engine which turned this to pull the plane through the air.
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propellar (or prop)
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The result of a force moving an object.
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work
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The higher this number in gasoline the better the
"anti-knock" quality. |
octane
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Stored energy
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potential energy
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The energy of motion
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kinetic energy
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