review of simple machines and complex machines
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| A lightbulb is this type of simple machine, which is an inclined plane wrapped around a rod | screw
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| A wheelchair ramp is this type of simple machine | inclined plane
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| A machine made of 1 or two parts that makes work easier by using less force | simple machine
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| A machine made up of two or more simple machines | complex machine
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| A bicycle is this type of machine | complex machine
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| A hammer is this type of simple machine | lever
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| A broom is this type of simple machine | lever
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| A doorknob is this type of simple machine | wheel and axle
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| A flag pole raises the flag using this type of simple machine | pulley
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| A simple machine that is made up of a grooved wheel with a rope or chain for lifting | pulley
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| A peanut butter jar lid is this type of simple machine | screw
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| This simple machine is made up of toothed wheels that fit together and move in opposite directions | gears
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| A knife is this type of simple machine | wedge
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| A bathtub is this type of simple machine | inclined plane
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| stairs are this type of simple machine | inclined plane
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| A ladder leaned against a building is this type of simple machine | inclined plane
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| A bathroom sink faucet is this type of simple machine | wheel & axle
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| Is a stapler a simple or complex machine? | complex (lever and wedge)
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| A thumbtack is this type of simple machine | wedge
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| True or false: Simple machines allow you to do less work. | False. The amount of work remains the same - you just need less force to do the work.
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| True or false: Simple machines make work easier by reducing the amount of effort needed to do it. | True.
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| A bicycle chain is this type of simple machine | Pulley
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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:
smark3
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