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Stack #38756

QuestionAnswer
electrons have a____________ electric charge. negative
Mechanical energy is changed into electrical energy by a ________________ generator
When electrons jump from a cloud to the ground, you see ____________ lightning
Electric bills are based on how many ________________are used. kilowatt-hours
Plastic is an example of a good electrical____________ insulator
The flow of electricity is controlled by a _____________ switch
What part of an atom can rub off from one atom to another? electron
What source of power is not strong enough to run a generator? solar panels
Name three special switches that help protect us from electrical shock. GFCI outlet, circuit breakers, fuses
What is this picture of? thermostat
Desribe the charge of this atom. positive charge
What must a generator contain? Name the three parts. drive shaft, strong magnet, coil of wire
In an electric current, describe the flow of electricity. flows steadily
How are the basic principles of magnetism and electricity related? very closely
What is the name given to giant sparks of moving electric charges? lightning
Name the two magnet poles. North & South
What electrical current do electric stoves use? 220 volts
7,000 watts equals how many kilowatts? 7 kilowatts
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.
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.
Created by: kwilson
 

 



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