5th grade vocabulary for forces and motion.
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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| acceleration | change in velocity with respect to time
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| action | The force one object applies to another. Newton's 3rd Law: For every action, there is an equal but opposite reaction.
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| balanced forces | When two forces cancel each other out.
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| force | A push or a pull.
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| friction | A force that opposes the motion of one object moving past another.
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| gravity | The force of attraction between any two objects due to their mass.
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| inclined plane | A slanted surface used to move objects higher or lower.
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| inertia | The tendency of a moving object to keep moving in a straight line or of any object to resist a change in motion.
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| lever | A simple machine made of a rigid bar and a fixed pivot point, called the fulcrum.
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| mass | A measure of the amount of matter in an object.
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| pulley | A wheel and rope that changes the direction of force.
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| reaction | The force with which an object responds to an action, as in Newton’s third law of motion.
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| simple machine | A machine with few moving parts, making it easier to do work.
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| speed | How fast an object’s position changes with time at any given moment.
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| unbalanced forces | Forces that do not cancel each other out when acting together on a
single object.
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| velocity | The speed and direction of a moving object.
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| weight | The force of gravity between Earth and an object.
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| wheel and axle | A wheel with a rod through the middle.
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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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