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Physical science

Vocabulary

TermDefinition
Simple Machines Simple machines make work easier.
Mass Mass is the amount of matter that makes up an object.
Force Force is a push or pull.
Friction Friction is a force that causes objects in motion to speed up or slow down when two surfaces rub together.
Speed Speed is a measure of how far an object moves in a certain amount of time.
Motion A motion is movement, or a change in an object's position.
Position Position is the place where an object is located.
Gravity Gravity is a force that pulls things toward Earth.
Created by: user-1986938
 

 



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