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14 Cards in this Set

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