Stack #38756
Help!
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| electrons have a____________ electric charge. | negative
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| Mechanical energy is changed into electrical energy by a ________________ | generator
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| When electrons jump from a cloud to the ground, you see ____________ | lightning
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| Electric bills are based on how many ________________are used. | kilowatt-hours
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| Plastic is an example of a good electrical____________ | insulator
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| The flow of electricity is controlled by a _____________ | switch
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| What part of an atom can rub off from one atom to another? | electron
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| What source of power is not strong enough to run a generator? | solar panels
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| Name three special switches that help protect us from electrical shock. | GFCI outlet, circuit breakers, fuses
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| What is this picture of? | thermostat
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| Desribe the charge of this atom. | positive charge
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| What must a generator contain? Name the three parts. | drive shaft, strong magnet, coil of wire
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| In an electric current, describe the flow of electricity. | flows steadily
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| How are the basic principles of magnetism and electricity related? | very closely
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| What is the name given to giant sparks of moving electric charges? | lightning
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| Name the two magnet poles. | North & South
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| What electrical current do electric stoves use? | 220 volts
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| 7,000 watts equals how many kilowatts? | 7 kilowatts
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| What do the electric circuits in your home do? | Electrical circuits bring us electricity to use stuff like a toaster. Circuits begin and end at the circuit box.
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| How do two positively charged objects act near each other? How do a positvely and a negatively charged object act near each other? | Two positively charged objects repel each other. One positively and one negatively charged object attract each other.
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Created by:
kwilson