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13 Cards in this Set
- Front
- Back
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Electrons
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have a negative electrical charge
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Protons
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have a positive electrical charge
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What causes Lightening?
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it is caused by moving electrons
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Electrical current
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the steady flow of electric charges, usually in a wire
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Conductor
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a material through which electricity can flow easily
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Insulator
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a material through which electricity cannot flow easily
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Switch
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part of a circuit that opens or closes the circuit & controls the flow of electricity
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Volt
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unit used to measure how strongly the electrons in a wire are pushed
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Watt
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a unit used to measure how fast electrical energy is used
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1 Kilowatt
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is the same as 1,000 watts
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What are the two magnetic poles on a magnet?
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North (N) and South (S)
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Generator
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device that uses a magnet to turn the drive shaft
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Name 2 sources that can be used to turn a generator's drive shaft
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1. moving water
2. burning coal |
