Magnetism

Front

What are the two types of magnetic poles?

Back

North and South poles.

Front

What happens when like poles of magnets are brought together?

Back

They repel each other.

Front

What happens when opposite poles of magnets are brought together?

Back

They attract each other.

Front

What is a magnetic field?

Back

A region around a magnet where magnetic forces can be detected.

Front

What is an electromagnet?

Back

An object that becomes magnetized when an electric current passes through it.

Front

What creates magnetic forces?

Back

Magnetic fields.

Front

What is the shape of the magnetic field around a bar magnet?

Back

It resembles closed loops extending from one pole to the other.

Front

How can non-magnetic materials become magnetized?

Back

By being placed in a magnetic field or connected to a circuit.

Front

What is the role of iron filings in studying magnetic fields?

Back

They visually demonstrate the shape and direction of magnetic fields.

Front

What is the difference between permanent magnets and temporary magnets?

Back

Permanent magnets maintain their magnetism, while temporary magnets only exhibit magnetism in the presence of a magnetic field.