magnetism

Which of these is not a magnetic material?

• aluminium

• steel

• nickel

• iron

Where is the strongest attraction force of the magnet?

• at the poles
• in the middle
• above the magnet
• below the magnet

Which of the following is true about a bar magnet?

• Its magnetic field is strongest near its center.
• It is surrounded by a magnetic field.
• The north pole is stronger than the south pole.
• The south pole is stronger than the north pole.

True or False: A magnetic field is invisible.

• True
• False

A paper clip is an example of a:

• magnetic material
• permanent magnet
• bar magnet
• insulator

What happens when two north poles of a magnet are placed together?

• they repel
• they attract
• they cancel each other out
• the strength of the magnet is doubled

A north pole and a south pole will attract.

• True
• False

True or False: All metals stick to magnets.

• True
• False

It is possible for a magnet to have only one pole.

• True
• False

Iron, Nickel and Cobalt are all __________________ materials.

• Shiny

• Poles

• Magnetic

• Cold