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Physical Science

Science Vocab

QuestionAnswer
Simple Machines Simple machines make work easier.
Mass Mass is the amount of matter that makes up an object.
Force Force is a push or a pull.
Friction Friction is a force that causes objects in motion to speed up or slow down when two surfaces rub together.
Speed Speed is a measure of how far an object moves in a certain amount of time.
Motion A motion is movement, or a change in an object's position.
The more ___________ present, the more an object in motion slows down. The more FRICTION present, the more an object in motion slows down.
The lighter an object, the less ___________ you must apply to get it in __________. The lighter an object, the less FORCE you must apply to get it in MOTION.
Gravity Gravity is a force that pulls things toward the earth.
The more __________ applied, the more energy is released. The more FORCE applied, the more energy is released.
Forces make things ______ up, slow down or change direction. Without a force a still object remains still & a moving object would keep moving. Forces make things SPEED up, slow down or change direction. Without a force a still object remains still & a moving object would keep moving.
The more force applied the _________ the object will go. The more force applied the FARTHER the object will go.
Unbalanced force happens when one side has ___________ force in one direction. This will cause the object to ______ in the direction the greater force is going. Unbalanced force happens when one side has GREATER force in one direction. This will cause the object to MOVE in the direction the greater force is going.
Created by: user-1987076
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