Show:
Electromagnet
Electric Current
Generators
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 a nail, it makes a 
magnet
200
It supplies the electricity.
power source
200
A ________ spins the coil of wire inside of the magnet.
turbine
200
The same poles _________.
repel
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
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 around a nail.
electromagnet
400
converts the electricity into another form of energy 
transformer 
400
Changes mechanical energy to ________ energy.
electrical
400
A ______ ______ surrounds a magnet allowing it to apply its force 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

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