Electromagnet
Electric circuit
Generstors
Magnetism
Electric Motor
100
What three things do you need to make an electromagnet diagram?
iron core, power source, conductor with coils
100
A complete or unbroken path in which electricity flows.
closed circuit
100
A coil of wire spinning inside of a magnet can form an____________ current.
electric
100
______________ is the attraction or repulsion of magnetic materials.
Magnetism
100
Changes ____________ energy to mechanical energy.
electrical
200
When an electric current flows through a wire wrapped around an iron nail it makes a ___________.
magnet
200
It supplies the electricity.
power source
200
A _________ spines the coil of wire inside of the magnet.
turbine
200
The same poles ____________.
repel  (push away)
200
Changes electrical energy to _____________ energy.
mechanical
300
Magnet loses its magnetism if the electric 


a. starts 

b. stops

stops
300
Moves the electricity around the path.
conductor
300
Changes ___________________ energy to electrical energy.
machanical
300
The opposite poles ___________.
attracts (pull together)
300
Takes energy from a battery to spin copper wire inside of a ______________.
magnet
400
A device made of a battery and a copper wire wrapped areound a nail.
electromagnet
400
Converts the electricity in another form of energy.
transformer
400
Changes machanical energy to to _______________ energy.
electrical
400
A _________  _________ surrounds a magnet allowing it to apply its forces without touching the magnet.
magnetic field
400
Is used as a _______________ in a circuit.
transformer
500
What will an electromagnet pick up?

a. wooden toothpick

b. plastic spoon

c. metal paper clip

c. metal paper clip
500
This does not allow electricity to pass.
insulator
500
Is used as a __________   __________ in a circuit. (outlet)
power source
500
A magnetic field surrounds a magnet allowing it to apply its ________ without touching the magnet.
forces
500
Is used as a transformer in a ______________.
circuit
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