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12 Cards in this Set
- Front
- Back
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Electrons have a _____________electric charge.
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negative
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When electrons jump from a cloud to the ground, you see_________________.
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lightening
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Plastic is an example of a good electrical ______________.
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insulator
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The flow of electricity is controlled by a__________________.
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switch
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Electric bills are based on how many _____________________are used.
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kilowatt-hours
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A unit used to measure how fast electrical energy is used is called a ________________.
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watt
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Mechanical energy is changed into electrical energy by a __________________.
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generator
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The electric charge of protons is ____________________.
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positive
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Lightning can occur within clouds or between a cloud and the ground or between _________________.
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clouds
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Metal is an example of a good electrical_________________.
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conductor
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A____________________ helps to prevent shock.
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GFCI outlet
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A unit that measures how strongly the electrons in a wire are pushed is a ______________________.
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volt
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