Physics Is Attractive

Which materials are magnetic

• Iron

• Steel

• Nickel

• Cobalt

• Copper

Which magnets will '1' repel?

• 1

• 2

• 3

• 4

Magnets 1 & 2 will....

• Attract

• Repel

Magnets 3 & 4 will...

• Attract

• Repel

If the brown block is attracted in both arrangements then...

• It can't be a magnet

• It can't be magnetic

• It must be magnetic

• It might be made of iron

This process can be used to make a bar magnet. A suitable material to use would be...

• Iron

• Steel

• Copper

• Brass

The north pole of this magnet is at...

• A

• B

You can tell the magnetic field is strongest at the poles (A&B) because...

• The field lines are closer together there

• The arrows come from the poles

• The field lines end there

You can find the shape of a field around a bar magnet using...

• Iron filings

• Plotting Compasses

You can find the direction of the magnetic field around a bar magnet using...

• Iron Filings

• Plotting Compasses