Show:
electromagnets
Electric Current
Generator
Magnetism
Electric motor
100
what three things do you need to make an electromagnet?
nail, battery, copper wire.
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 nail, it makes a _____________.
magnet
200
It supplies the electricity.
power source
200
A _________________ spine the coil of wire inside of the magnet.
turbine
200
the same poles __________.
repel(push away)
200

Changes electrical energy to _________energy.

mechanical
300
A 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.
Mechanical
300
The opposite poles__________.
attract(pull together)
300
Takes energy from a battery to spin copper wire inside of a __________ to transform energy into motion.
Magnet
400
A device made of a battery and a copped wire wrapped around a nail.
electromagnet.
400
converts the electricity into another from of energy.
transformer
400
changes mechanical energy 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?

wooden toothpick

plastic spoon

metal paper clip

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