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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| work | use of force to move an object through a distance
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| machine | a thing that makes work seem easier by changing the size or direction of a force
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| power | amount of work done for eah unit of time
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| force | push or pull that causes an object to move,stop,or change direction
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| gravitation | force that pulls all objects toward each other
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| friction | force that opposes motion when two surfaces rub against each other
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| magnetism | force of pulling between magnets and magnetic objects
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| balanced forces | forces equal in size and opposite in direction
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| unbalanced forces | opposing forces of wich one force is greater than the other
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| net force | value of combined forces on an object
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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:
loopy2453
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