Magnetism and Electromagnetism

Front

What happens when like poles of a magnet are brought together?

Back

They repel each other.

Front

What can make an electromagnet weaker?

Back

Removing one of the nails from the coils.

Front

Why is a magnet attracted to a soup can?

Back

Because the can contains iron.

Front

How do magnetic field lines appear when drawn?

Back

They are curved lines that go from the North pole to the South pole and outward.

Front

What type of energy do electric motors convert?

Back

They convert electrical energy into mechanical energy.

Front

What are the two types of magnetic poles?

Back

North pole and South pole.

Front

What is an electromagnet?

Back

A magnet created by electric current flowing through a coil of wire.

Front

What materials are typically attracted to magnets?

Back

Materials that contain iron, nickel, or cobalt.

Front

What is the magnetic field?

Back

The area around a magnet where magnetic forces can be felt.

Front

What is the difference between permanent magnets and temporary magnets?

Back

Permanent magnets maintain their magnetism, while temporary magnets only act as magnets when in a magnetic field.