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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| What is a device that changes the size or direction of a force? | Simple Machine
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| What is a simple machine made up of bar that turns, or rotates, around a fixed point? | Lever
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| What is the fixed point around which a lever turns? | fulcrum
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| What is a wheel around which a rope or a chain is passed? | Wheel and axle
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| What is an inclined plane wrapped around a cylindrical object? | Screw
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| What is a simple machine with a slanted surface? | Inclined plane
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| What may be used to lift or pry apart heavy items, and also to tighten or hold things in place? | Wedge
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| What is a machine that is made up two or more simple machines? | Compound Machine
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| What do we call a push or a pull? | Force
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| What is a force that makes it hard for two objects in contact to move past one another? | Friction
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| What is a force that pulls objects towards one another? | Gravity
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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:
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