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motion,speed

key terms

QuestionAnswer
motion the state in which one distance from another is changing
reference point a place or object used for comparion to determine if an object is in motion
International System of Units a system of measurement based on multiples of ten and on established measures of mass, length and time
meter the basic SI unit of length
speed the distance an object travels in one unit of time
velocity speed in a given direction
acceleration the rate at which velocity changes
distance how much ground you have covered
displacement the distance traveled by an object in a certain direction
Created by: tracy.leake