Magnetism Review Game

What do you get if you break a magnet in 2 pieces?

2 magnets – each has a N and S Pole

The region around a magnet where the magnetic forces act

Magnetic field

Give an example of a material that is NOT magnetic

Glass, wood, rubber, plastic

A magnetic field is strongest at which point on the magnet?

At the poles

The magnetic field is described by magnetic lines of

force

Magnets that are easy to magnetize but only stay magnetic for a short time

Temporary Magnets

Magnets found in the Earth that will stay magnetic forever

Natural Magnets

What is the name of the rock that is a natural magnet

Magnetite/Lodestone

What type of magnet is A wire carrying current wrapped around a metal core?

electromagnet

Materials that are more difficult to magnetize but tend to stay magnetized longer are called

Permanent magnet

The ends of a magnet are called

poles

Like poles _______, opposite poles _______

Repel, attract

A compass needle responds to a magnetic field because the compass needle is a _______

magnet

What are 4 ways you can demagnetize a magnet?

Drop it, hit it, heat it up, put it in an opposite magnetic field

What are 2 ways to make an electromagnet stronger?

Increase the current in the wire, increase the number of loops in the solenoid

A magnet is any material that attracts _____ or materials containing _____.

Iron

The interaction between electricity and magnetism is

electromagnetism

The coil of wire in an electromagnet is called a

solenoid

Caused by solar winds hitting the Earth’s magnetic Field

Aurora Borealis