Electricity
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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| Of the following items, which ones will conduct electricity? brick, iron nail, rubber band, salt water, toothpick | salt water and iron nail
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| What is used to easily open and close a circuit? | switch
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| What material will best conduct electricity? Glass marble, aluminum foil, rubber band, plastic tube, cardboard, | aluminum foil
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| What should you do if the cord to a fan is worn out and you can see the wire? | Do not use until it is properly fixed.
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| Why is copper used in electrical cords? | Copper is a good conductor of electricity.
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| Why is plastic used in electrical cords? | Plastic is a good insulator to protect you from electrical shock.
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| What happens when you turn a switch to the off position? | The circuit is open and is considered a broken circuit.
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| What happens when you turn a switch to the on position? | The switch is closed and is considered a complete circuit.
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| What is the path along which electricity travels? | electric circuit
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| What keeps electricity from getting to you? | insulator
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| Be able to look at various diagrams and determine which one produces light and heat. | The circuit must be a complete, closed loop.
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| Which solutions should conduct electricity? | salt water and baking soda solution
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| Looking at a cut away view of an electrical cord know which parts are conductors, insulators, and which are made of metal and which are made of plastic. |
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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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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:
CherylBruce
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