Semester 1 Review for Final 2024

Front

What is a permanent magnet?

Back

A permanent magnet is a material that maintains its magnetism for a long time without the need for an external magnetic field.

Front

What is a temporary magnet?

Back

A temporary magnet is a material that exhibits magnetic properties only when in the presence of a magnetic field and loses its magnetism when the field is removed.

Front

How does distance affect the force between two magnets?

Back

As the distance between two magnets increases, the force between them decreases.

Front

True or False: All metals are attracted to magnets.

Back

False. Only certain metals, like iron, cobalt, and nickel, are attracted to magnets.

Front

What happens when two magnets with opposite poles face each other?

Back

They attract each other.

Front

What happens when two magnets with like poles face each other?

Back

They repel each other.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that becomes magnetized when an electric current flows through it.

Front

Can non-magnetic materials become magnetized?

Back

Yes, some non-magnetic materials can become magnetized when connected to a circuit.

Front

What is the magnetic field?

Back

The magnetic field is the area around a magnet where magnetic forces can be detected.

Front

What are the poles of a magnet?

Back

A magnet has two poles: a north pole and a south pole.