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Vocabulary: Laws of Motion
science vocabulary for Laws of Motion test
11
Science
5th Grade
05/23/2010

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Term
inertia
Definition
the tendency of an object to resist a change in motion
Term
Newton's Laws of Motion
Definition
three laws put forward by Sir Issac Newton to explain the properties of motion and forces that act on objects.
Term
newton
Definition
a measure of force
Term
friction
Definition
a force that opposes the motion of one surface against another.
Term
mass
Definition
the amount of matter in an object
Term
weight
Definition
the force of gravity on an object.
Term
gravity
Definition
the force that pulls on an object on the surface of a planet
Term
speed
Definition
a measurement of how fast position changes
Term
velocity
Definition
the speed and direction of a moving object
Term
acceleration
Definition
the rate at which velocity changes
Term
frame of reference
Definition
an object you use to compare the motion of other objects
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