science vocab
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 | the rusult when a force causes an object to move.
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| machine | a devise that changes the amount of force applied into an object.
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| lever | a simple machine having and arm that move about a fixed point.
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| effort arm | the part of a lever that applies the effort.
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| resistance arm | the part of a lever that applies resistance.
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| wheel and axle | a simple machine that has a central pivot around which a wheel moves.
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| pulley | a wheel that has a grove along its edges.
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| inclined plane | any flat sloping surface.
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| wedge | 2 or more iclined planes put together.
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| screw | an inclined plane wrapped around a cilinder or cone.
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| compound machine | a devise made up of 2 or more simple machines.
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| efficiency | the ratio of the work put into that machine.
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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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