Magnetism

Front

What happens when a north pole and a south pole of magnets come close to each other?

Back

They attract each other.

Front

What is a magnet?

Back

An object that produces a magnetic field and can attract certain metals.

Front

What happens when you rub a needle on a magnet?

Back

The needle becomes a temporary magnet.

Front

What is an electromagnet?

Back

A type of magnet that is created by electric current.

Front

How can you make an electromagnet stronger?

Back

Add more coils of wire to the nail.

Front

What are the two poles of a magnet called?

Back

North pole and South pole.

Front

Can a magnet attract all types of metals?

Back

No, it can only attract certain metals like iron, nickel, and cobalt.

Front

What is the Earth's magnetic field?

Back

A magnetic field that surrounds the Earth and has north and south poles.

Front

What is the difference between a permanent magnet and a temporary magnet?

Back

A permanent magnet retains its magnetism, while a temporary magnet only acts as a magnet when in a magnetic field.

Front

What materials can be used to make a magnet?

Back

Iron, nickel, cobalt, and some alloys.