Science 7 12-3
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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inclined plane | flat, sloped surface
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wedge | thick at one ends, tapers to thin edge at other end
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screw | inclined plane wrapped around a cylinder
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lever | rigid bar free to pivot on fixed point
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fulcrum | fixed point lever pivots on
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wheel and axle | two cylinder objects fastened together that rotate on common axis
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pulley | grooved wheel with rope/cable wrapped around it
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1st class lever | change direction of input (can opener)
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2nd class lever | increase force (wheelbarrow. bottle opener)
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3rd class lever | increase distance (shovel, bat)
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compound machine | two or more simple machines
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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:
jmeager
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