electrons have a _________ charge
When two positive charges are brought together they
In older homes, a _______ makes a break in the circuit if too much electricity is flowing. These CANNOT be fixed, and must be replaced once they are broken
Electricians usually say that every circuit in the home begins and ends at the
A ______ is used to control the flow of electricity in homes. Without this, your TV, radio, lights, and other devices would always stay on
How FAST you use electrical energy is measured in a unit called a ____
GFCI outlets look like regular outlets, except they have
When too much electricity flows, a ___________ automatically flips to the off position
___________ measure how STRONGLY the electrons in a wire are pushed
A kilowatt is equal to
usually, atoms have the same number of protons and electrons
If left on for a long time, an energy saving bulb will use more energy than a traditional one left on for a short time.
Magnetism and electricity are very different
A circuit is a device that uses a magnet to change mechanical energy into electrical energy
Electric companies measure the amount of electrical energy used in a home in kilowatt hours
A giant spark of moving electrical charges is called
A special outlet that can switch off in a dangerous situation is called a
A _____________ uses a magnet to change mechanical energy into electrical energy
a __________ can open or close a circuit
wind mills use _______ energy to turn a turbine
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