Well, I don't.
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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| chemical energy | the energy stored in chemical compounds
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| chemical reaction | a process in which substances change into new substances with different properties
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| electrochemical cell | a device that transforms chemical energy into electrical energy
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| electrode | a metal part of an electrochemical cell, which gains or loses electrons
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| electrolyte | a liquid or paste that conducts electric current
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| terminal | a convenient attachment point used to connect a cell or battery to a circuit
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| battery | a combination of two or more electrochemical cells in series
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| wet cell | an electrochemical cell in which the electrolyte is a liquid
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| dry cell | an electrochemical cell in which the electrolyte is a paste
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| Ohm's law | the law that states that resistance is equal to voltage divided by current
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| series circuit | an electric circuit with a single path
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| ammeter | a device used to measure current in a circuit
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| parallel circuit | an electric circuit with multiple paths
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| voltmeter | a device used to measure voltage, or electrical potential energy difference
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| power | the rate at which one form of energy is transformed into another; the unit of power is the watt
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| short circuit | a connection that allows current to take an unintended path
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| grounded | allowing charges to flow directly from the circuit into Earth in the event of a short circuit
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| third prong | 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 | a safety device with a thin metal strip that will melt if too much current passes through a circuit
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| circuit breaker | a reusable safety switch that breaks the circuit when the current becomes too high
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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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