Magnetism

Front

What happens to a paperclip after it touches a magnet?

Back

It becomes a magnet temporarily.

Front

How can you make an electromagnet stronger?

Back

By increasing the current, making the iron core bigger, or increasing the number of loops around the core.

Front

What is magnetism?

Back

Magnetism is a type of force.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Front

Why does a compass needle point north?

Back

It lines up with the Earth's magnetic field.

Front

How can we describe the Earth's magnetic field?

Back

It is similar to a bar magnet with a magnetic north and south pole.

Front

What is an electromagnet?

Back

A magnet created by electric current.

Front

What materials are typically used to make magnets?

Back

Iron, nickel, and cobalt.

Front

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

Back

A permanent magnet retains its magnetism, while a temporary magnet loses it after the external magnetic field is removed.

Front

What is the role of the iron core in an electromagnet?

Back

The iron core enhances the magnetic field produced by the electric current.

Front

What is a magnetic field?

Back

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5