First 9 Weeks Review
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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| Power grid | a system of power lines, transformers, and equipment used to distribute electricity to a location.
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| Generator | a machine that uses a magnetic field to turn motion to electricity
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| Transformer | a machine that changes the voltage of an alternation current without losing much energy
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| Alternating current | a current that changes direction.
The voltage can speed up or slow down.
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| Direct current | current where electrons flow in one direction
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| Series Circuit | has one path for the flow of electric current.
If the path is broken the current cannot flow.
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| Parallel Circuit | a circuit that has more than one path or the electric current to follow. If one of the paths is broken the electrons can still flow through other paths.
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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:
mgrant
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