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16 Cards in this Set
- Front
- Back
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An atom with a positive charge has extra
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protons
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Lightning is caused by moving
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electrons
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A battery in a flashlight changes chemical energy to
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electrical energy
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A gap in a circuit is opened or closed by a
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switch
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Five kilowatts equals
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5,000 watts
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Electric companies base their bills on the use of
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kilowatt-hours
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The like poles of two magnets
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repel each other
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When electricity flows through a wire, the wire becomes
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magnetic
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An electric generator
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uses a magnet
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The basic principles of magnetism and electricity
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are closely related
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The two magnet poles are
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N and S
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Seven thousand watts equal
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7 kilowatts
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All of these are special switches that protect us EXCEPT
-fuses -circuit breakers -GFCI outlets -dimmer switches |
dimmer switches
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In an electric current, electricity flows
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steadily
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Giant sparks of moving electric charges are called
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lightening
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The part of the atom that can rub off from one atom to another is the
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electron
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