science 6th grade
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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| door on hinges | lever
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| stairs | inclined plane
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| light bulb | screw
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| crane | pulley
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| door knob | wheel and axle
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| push pin | wedge
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| lever | a rigid bar board that is free to move around a fixed point called a fulcrum. The fulcrum may be placed at different locations along the bar.
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| pulley | have a grooved wheel with a rope running along the groove. Pulleys can change the amount and/or the direction of the effort force.
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| inclined plane | reduce the amount of force required to lift an object
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| wheel and axle | consists of two circular objects: a central shaft called an axle, inserted through the middle of a wheel
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| complex/compound machines | conssist of two or more simple machines
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| levers | rake door catapult arms and legs seesaw wheelbarrow pencil
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| inclined plane | sloped driveway escalator stair ramp ladder bleachers roof
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| pulleys | crain flag pole elevator blinds tow truck fishing pole
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| wheel and axle | wheel feriis wheel screwdriver propeller door knob yo-yo
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| screw | light blub screw jar lid cord screw spiral staircase
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| wedge | ziper axe teeth chisel fingernail saw knife
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| when a force produces motion in the direction of the force | work
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| macine made of two or more simple machines | compound machine
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| a flat sloped surface | inclined plane
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| an inclined plane that moves | wedge
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| a machine with only one movement | simple machine
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| an inclined plane wrapped around a cylinder | screw
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| two circular objects of a different sizes that are attached in such a way that they rotate together | wheel and axle
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| any rigid rod or plank that pivots about a point | lever
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| a grooved wheel with a rope or chain wrapped around it | pulley
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| someone sitting on a cushion on the floor | none
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| the cushion is picked up and put on the couch | work
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| the cushion is put back on the floor | work
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| a baseball is hit into the bleachers | work
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| you lift your arms above your head | work
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| you study two hours for a test | none
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| a little girl on a swing is pushed by her father | work
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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.
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.
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:
kmm0602
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