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Chapter 5

TermDefinition
average speed total distance divided by total time
velocity speed in a given direction.
speed the distance an object moves per unit of time.
motion changing position relative to another object.
distance the length of the path between two points.
International system of units the measurement system used by scientists
reference point a place or object used for comparison to determine if an object is in motion. Stationary objects make the best reference points: trees, buildings and signs.
Created by: user-1825399
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