science
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| the change in an object's location over a certain amount of time | motion
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| the motion of an object along a straight line | linear motion
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| What are two types of linear motion? | horizontal and vertical motion
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| the distance that an object travels over a certain amount of time | velocity
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| a scientist who studies motion | physicist
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| the motion of an object around a central point | angular motion
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| the motion of an object in a complete circle | rotational motion
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| the back and forth motion of an object from a central point | periodic motion
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| the push or pull of one object on another | force
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| the force that resists the motion of one object against another | friction
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| the force pulling together all objects in the universe | gravity
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| the amount of work done over a certain amount of time | power
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| using a force on an object to make it move | work
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| a tool that requires only one force to be used | simple machine
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| a combination of two or more simple machines | compound machine
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| Motion that is forward, backward, left, or right. | horizontal motion
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| Motion that is up and down. | vertical motion
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| Velocity is also called _______. | speed
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| Name 4 famous physicists. | Leonardo Da Vinci, Galileo Galilei, Sir Isaac Newton, and Albert Einstein
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| When an object returns to the place where it started, it has completed one _______. | rotation
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| An example of rotation is a ______ ______. | ferris wheel
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| An example of periodic motion is a _______ opening and closing. | door
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| Forces can exist between two objects that are not in ________. These forces _____ and ______ objects from a distance. | contact - push - pull
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| Who was one of the greatest physicists that ever lived? | Sir Isaac Newton
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| Sir Isaac Newton is famous for his study of ______. | motion
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| Newton is famous for his discovery of _______ that describe how objects ______. | laws - move
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| Newton believed science and mathematics supported the ________. | Bible
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| Newton's first law says: Every object at ______ stays at rest and every object in ________motion remains in motion unless they are acted upon by outside ________. | rest - motion - forces
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| How many types of simple machines are there? | six
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| What is a rigid bar that rotates about a fixed point? | lever
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| A ______ and _____ turns the rotation of the wheel into a force on an axle. | wheel and axle
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| What is a wheel with a rope that passes over it to lift objects? | pully
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| What is an inclined plane wrapped around a wheel and axle? | screw
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| What is made from back to back inclined planes? | wedge
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| What is a slanted surface? | inclined plane
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| What is an example of a wheel and axle? | bicycle
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| What is an example of a pulley? | well
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| What is an example of a screw? | water bottle
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