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Electricity
Circuits
Magnetism
Electromagnets
100
Socks rubbing against each other in the dryer became charged and create a spark and sound.
What is an example of static electricity?
100
A battery
What is an energy source in a circuit?
100
A force that attracts and repels materials.
What is magnetism?
100
Increase the number of coils.
What can you do to increase the strength of an electromagnet?
200
A copper penny
What is an example of a conductor?
200
A circuit that lets the electric current to flow completely.
What is closed circuit?
200
The compass needle will not point north because of this.
What happens when you put a magnet near a compass?
200
Refrigerator, microwave, television, doorbell
What are everyday items that are powered by electromagnets?
300
A material that does not allow the flow of an electric current.
What is an insulator?
300
A circuit with only one path for the electric current to flow.
What is series circuit?
300
Each piece of the magnet creates a north and south pole.
What happens when a magnet is broken in half?
300
A magnetic field will disappear.
What happens to the magnetic field when electricity is turned off?
400
Because electricity is too dangerous for people to experiment with.
What is reason why we refer to models when learning about electricity?
400
A circuit with 2 or more paths for electricity to flow.
What is a parallel circuit?
400
They repel
What happens when 2 like poles are pushed together.
400
Switching out a smaller battery for a larger battery.
What is a way to increase the strength of an electromagnet?
500
Coal
What is an example of a nonrenewable resource used to generate electrical energy?
500
Chemical energy inside a battery changes to electrical energy, which flows through wires to become light and heat energy in a bulb.
What is the way electrical energy moves through a circuit?
500
The area around a magnet that attracts objects toward it.
What is magnetic field?
500
Falling water and generators working together
What is a way the mechanical energy is transformed into electrical energy?