5th grade review of forces and motion units
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| force | any push or pull that causes an object to move, stop, or change directions
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| friction | force that opposes, or acts against, motion when two surfaces rub against each other
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| magnetism | the force of repulsion or attraction between poles of magnets
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| gravitation | force that pulls all objects in the universe toward one another
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| balanced forces | forces equal in size and opposite in direction
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| unbalanced forces | when one force is greater than its opposite force
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| acceleration | when an object starts to move, speeds up, slows down, stops, or changes direction
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| net force | combined forces
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| work | use of a force to move an object through a distance
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| power | amount of work done for each unit of time
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| machine | something that makes work seem easier by changing the size or direction of the force
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| position | an object's place, or location
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| speed | measure of the distance an object moves in a given amount of time
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| velocity | an object's speed in a particular direction
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| acceleration | any change in velocity
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| momentum | measure of how hard it is to slow down or stop an object
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| inertia | property of matter that keeps it moving in a straight line or keeps it at rest
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| Newton's first law of motion | an object at rest will stay at rest, and an object in motion will continue moving in a straight line at a constant speed until an outside force acts on it
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| Newton's second law of motion | an object's acceleration depends on the size and direction of the force acting on it and on the mass of the object
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| Newton's third law of motion | For every action, there is an equal and opposite reaction
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| orbit | the path one body in space takes as it revolves around another body
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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:
cwillingham
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