Magnets and Electromagnets Milestone Review

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

Why does a compass needle point towards the north?

Back

The compass needle lines up with the Earth's magnetic field.

Front

What is the main material that makes up the Earth's core?

Back

Iron.

Front

How can you make an electromagnet stronger?

Back

You can make an electromagnet stronger by adding more wire coils and/or batteries.

Front

What happens when two magnets repel each other?

Back

They push apart.

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting certain metals like iron.

Front

What is the difference between a magnet and an electromagnet?

Back

A magnet is permanent, while an electromagnet requires electricity to generate a magnetic field.

Front

What is the Earth's magnetic field?

Back

The Earth's magnetic field is the magnetic field that extends from the Earth's interior out into space.

Front

What materials can be attracted to magnets?

Back

Materials like iron, nickel, and cobalt can be attracted to magnets.

Front

What is a series circuit?

Back

A series circuit is a circuit in which the components are connected end-to-end, so the current flows through each component one after another.