Magnets and Electromagnets

Front

What does a magnet do when it attracts an object?

Back

It pulls the object.

Front

What happens when like poles of two magnets are brought close to each other?

Back

They repel each other.

Front

What are the correct terms for the North pole and South pole of a magnet?

Back

North-seeking pole and South-seeking pole.

Front

How do electromagnets differ from regular magnets?

Back

They can be turned off and on, their polarity can be reversed, and their strength can be changed.

Front

In which direction does the magnetic field move?

Back

From North to South.

Front

What is a magnet?

Back

An object that produces a magnetic field and can attract or repel certain materials.

Front

What materials are typically attracted to magnets?

Back

Iron, nickel, and cobalt.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the role of electric current in an electromagnet?

Back

It creates a magnetic field when flowing through a wire.

Front

Can the strength of an electromagnet be changed?

Back

Yes, by changing the amount of electric current.