4th Grade 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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|---|---|---|---|---|---|
| long bar with a support | lever
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| the support on which a lever rests | fulcrum
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| the weight to be lifted or moved | load
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| a simple machine with slanted threads along its sides | screw
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| a special inclined plane used to split things or move things or hold things in place | wedge
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| a ramp used to move things up or down | inclined plane
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| a wheel and a rod joined to the center of the wheel. it is used to move or turn objects | wheel and axle
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| a wheel with a rope, wire or chain around it. | Pulley
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| the force used on a simple machine | effort
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| One or more simple machnes combined together | complex machines
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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:
czeponis
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