Poles
What do like poles do?
Repel
How are electromagnets turned on?
Putting energy through them
How do magnets connect?
When the south pole of a magnet and the north pole of another magnet connect.
What are the properties of a magnet?
Push and pull
What do opposite pulls do?
attract
What do you need to make an electromagnet?
A wire, an electric current, and a core (Such as iron)
How do you know where the strongest part of the magnetic field is?
Sprinkle iron filings on the magnet and see where they clump
What does something need to be made out of in order to be considered as a magnet?
Iron, Cobalt, Nickel
What is the definition of magnetic pole?
The regions where the magnetic forces exerted by a magnet are the strongest
What is the definition of electromagnet?
A magnet made with a current- carrying wire whose strength can be varied and turned on and off
What is the definition of magnetic field?
A force field created by a magnet
What is the definition of magnet?
A piece of iron
How can you figure out which pole is which on a unlabeled magnet?
See which sides connect
What is Maglev short for?
Magnetic levitation
True or false
A strong repulsion occurs when the magnets are close to each other
True
True or false
Can magnets be cut in half
True
Where are poles located?
They are located on the ends of a magnet
How do maglev trains travel?
They use like poles, so it repels
what is the definition of magnetic force?
Attractive or repulsive forces between magnets or attractive forces between a magnet and a certain material
How do magnets demagnetize?
By striking it or increasing the temperature.