Simple Machines
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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machines | mechanical device that helps transfer force to help people work
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simple machines | only require manual force from people or animals
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arm | beam or bar of lever
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fulcrum | pivot point on lever
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load | object to be moved
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effort | force needed to move the load
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inclined plane | sloping surface used to move objects
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inertia | resistance of object to change
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pulley | simple machine made of a grooved wheel and a rope
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axis | imaginary line that passes through an object
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screw | inclined plane spiraled around an axis
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wedge | a double inclined plane that tapers to a point
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effort | force applied to move a load
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force | to push or pull
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newton | metric unit to measure force
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wheel and axle | 2 wheels of different size rotate on the same axis
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gear | a toothed wheel
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work | when an object moves
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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.
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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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Created by:
cbergh
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