science
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 | push or pull
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| newton | basic SI unit of force
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| net force | combination of all forces acting on an object
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| Unbalanced forces | whenever net forces are acting on an an object
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| balanced forces | equal forces acting on an object
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| friction | force that objects exert when they rub against each other
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| static friction | friction acting on stationary objects
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| sliding friction | friction when two solid objects
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| rolling friction | friction when an object rolls across a surface
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| fluid friction | friction when a solid object moves through a fluid
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| gravity | force that pulls objects towards each other
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| mass | amount of matter in an object
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| weight | force of gravity on a person or object
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| free fall | only gravity is acting on an object
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| air resistance | upward force exerted on falling objects
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| terminal velocity | when air resistance = weight
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| projectile | object that is thrown
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| Inertia | resistance of motion
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| satellite | any object that rotates around nother object in space
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| centripetal force | force caussing objects to move in a circular path
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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:
SMoswald
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