Science Vocab
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Force | A push or pull exerted on an object in order to change the motion of the object; force has size and direction
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Motion | An object's change in position relative to a reference point
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Reference Point | A stationary object that is used to describe an object's motion
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Speed | The distance traveled divided by the time interval during which the motion occurred
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Velocity | The speed of an object in a particular direction
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Acceleration | The rate at which velocity changes over time; an object accelerates if its speed, direction, or both change
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Friction | A force that oppose motion between two surfaces that are in contact
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Net Force | The combination of all of the forces acting on an object
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Balanced Force | Stated when the net forces acting on an object equal zero
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Unbalanced Force | Stated when the net force acting on an object is not zero
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Inertia | The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object
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Gravity | A force attraction between objects that is due to their masses
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Work | The transfer of energy to an object by using a force that causes the object to move in the direction of the force
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Machine | A device that helps do work either by overcoming a force or changing the direction of the applied force
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Inclined Machine | A simple machine that is a straight, slanted surface, which facilitates the raising of loads; a ramp
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Wedge | A simple machine that is made up of two inclined planes and that moves; often used for cutting
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Screw | A simple machine that consists of an inclined plane wrapped around a cylinder
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Lever | A simple machine that consists of a bar that pivots at a fixed point called a fulcrum
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Pulley | A simple machine that consists of a wheel over which a rope, chair, or wire passes
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Wheel and Axle | A simple machine consisting of two circular objects of different sizes; the wheel is the large of the two circular objects
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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