science F2
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 | when force is applied to an object
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| machine | anything that changes the amount of force on an object
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| lever | asimple machinehaving an arm that moves around a fixed point
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| fulcrum | the fixed point on a lever
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| effort arm | the part of the lever that you applie the effort
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| resistence arm | the part of the lever that applies the force on the object
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| pulley | a wheel that has a groove along its edge
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| wheel and axle | a machine where the wheel and the axle turn around the central pivot
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| inclined plane | a flat sloping surface
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| wedge | a machine made of one or two inclined planes
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| screw | an inclined plane wrapped around a cylinder or cone
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| compound machine | a device made up of two or more simple machines
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| efficiency | the ratio of the amount of work put out of a machine into a machine
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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:
spartans rule
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