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chapter 1
gabbingram
12
Science
7th Grade
04/16/2012

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Term
motion
Definition
a distance in object is changing
Term
reference
Definition
place or object used for comparison to determine if something is in motion
Term
International System of Units
Definition
system of scientific measurement
Term
meter
Definition
SI unit of length
Term
speed
Definition
distance the object is traveling per unit
Term
average speed
Definition
the overall rate of speed at which an object moves
Term
Instantaneous Speed
Definition
rate at which an object is moving at a given instant in time
Term
velocity
Definition
speed in a given direction
Term
slope
Definition
steepness of a graph on a line
Term
plate
Definition
Earth's rocky outer layer consisting of more than a dozen pieces
Term
theory of plate tectonics
Definition
states that Earth's plates move slowly in various directions
Term
acceleration
Definition
rate at which velocity changes
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