assassingnment
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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| lever | object that pivots around fixed point
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| wheel | a circular object
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| axle | shaft of a wheel
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| inclined plane | plane elevated slope
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| pulley | grooved wheel with rope etc. wrapped around it
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| simple machine | one machine
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| compound machine | two or more simple machines
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| wedge | inclined plane that moves
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| force | push or pull exerted on an object
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| work | force exerted on an object that causes it to move
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| power | rate at which work is done
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| efficiency | % of input work that is converted to output work
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| radius | pivoted arm or spoke of a wheel
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| technical writing | step by step instructions
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| energy | ability to do work or cause change
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| inventor | person who invents something new
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| invention | A new device, method, or process developed from study or experiments
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| gears | two or more wheels linked together by teeth
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| drawing | picture
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| cartoon | animated picture
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| sequence | step by step process
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| inquiry | to question or examine closely
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| mouse trap | contraption used to catch mice
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| switch | device used to break or open an electircal circuit
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| balloon | inflatable rubber bag
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| incredible | unbelievable
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| pendulum | object suspended from a fixed support so it swings freely back and forth
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| fulcrum | a fixed point around which a lever pivots
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| kinetic energy | energy an object has due to its motion
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| potential energy | energy that is stored and held
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| mechanical advantage | # of times the force exerted on a machine is multipled
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| magnetic | having an unusual power to attract
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| joule | unit of measure; one Newton meter
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| rube goldberg | crazy inventor
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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:
ELarsen22
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