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4th Motion & Forces

MC 4th Grade Vocabulary words for Forces and Motion

QuestionAnswer
The rubbing together of two objects or surfaces that are touching is called? Friction
Any change in position is called? Motion
The force that pulls an object toward the center of the earth is? Gravity
Forces needed to make an object move or change position are? unbalanced
The tendency of an object to remain in motion or at rest is ? inertia
The unit used to measure force. Newton
Motion described in relation to a frame of reference is? relative motion
An objects place in comparison to another place. position
All of the things around you that you can sense and use to describe motion are your? frame of reference
Forces that do NOT cause an object to change speed or position. Balanced
Measure of an objects change in position during a unit of time. Speed
A push or pull. Force
Any change in speed or direction of an objects motion. Acceleration
Measure of the force of gravity on an object. Weight
Created by: miller4
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