Electricity - Ch. 20 Prentice Hall Science Explorer
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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| show | The electric charge arrow always points ___ positive
charges.
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| show | Electric ____ is another names for electrons.
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| chemical | show 🗑
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| electric circuit | show 🗑
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| conduction | show 🗑
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| current | show 🗑
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| show | The strength of the electric field is related to the _____
from the charged object.
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| dry cell | show 🗑
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| show | is a region around a charged object where the object's electric force is exerted on other charged objects
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| electric force | show 🗑
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| show | Chemical reactions occur between the electrolytes and
electrodes in ____ cell. These reactions cause one electrode to become negatively charged and the other electrode positively charged
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| electrolyte | show 🗑
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| electrons | show 🗑
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| show | Electric charges need __ to flow.
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| show | There is one important difference between electric charges and magnetic poles. Magnetic poles cannot ____ but electric charges can.
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| friction | show 🗑
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| induction | show 🗑
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| insulator | show 🗑
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| Parallel | show 🗑
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| show | The rate at which energy is transformed from one form to
another is known as ______. What? Exactly.
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| show | current depends on the ___ of the material it flows through and how difficult it is to flow through. The more difficult the ____, the the more difficult for the current to move through
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| Series | show 🗑
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| static discharge | show 🗑
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| static electricity | show 🗑
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| towards | show 🗑
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| voltage | show 🗑
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| voltage source | show 🗑
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| show | The movement of electrons from one atom to another is a current because ___ is a force moving an object some distance.
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| Conservation of Charge | show 🗑
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| show | a material through which charges can easily flow
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| electrode | show 🗑
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| show | a convenient attachment point used to connect a cell or a battery to a circuit
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| show | a combination of two or more electrochemical cells in a series
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| wet cell | show 🗑
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| short circuit | show 🗑
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| show | allowing charges to flow directly from the circuit into Earth in event of a short circuit
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| show | the round prong of a plug that connects any metal pieces in an appliance to the safety grounding wire of a building
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| fuse | show 🗑
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| circuit breaker | show 🗑
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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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