Magnets

Which diagram shows the magnetic field pattern around a bar magnet?

Reorder the following steps in identifying which block is iron, which is a permanent magnet and which is aluminium

• Iron

• Will be attracted to the permanent magnet

• Aluminium

• A permanent magnet will have no effect

• Permanent Magnet

• Can be repelled by one end of another permanent magent

Reorder the following steps to use the electromagnet to pick up a block and then release it

• The metal block will be attracted to the electromagnet

• The crane mores the block to a new position

• Turn on the switch to complete the circuit

• The electricity in the wire will magnetise the iron core

• Turning off the switch will turn off the electromagnet and release the block

Magnetic force is a non-contact force.

Which two of these are also non-contact forces?

Tick 2 Boxes

• Air Resistance

• Electrostatic

• Friction

• Gravitational

• Tension

Which letter shows the position where the magnetic field around the bar magnet

is strongest?

• A

• B

• C

• D

Magnets demonstrate a force of attraction when ​ (a)   poles are brought near each other. The force of repulsion is demonstrated when ​ (b)   poles are brought together.

• opposite
• same
• neutral

The paperclips become magnetised when they are close to the permanent magnet.

What is the name of this type of magnetism?

• Forced

• Induced

• Strong

Label the north and south end of the paperclips

a

b

North

South

Which two metals will be attracted to a magnet?

• Iron

• Steel

• Aluminium

• Copper

• Tin

If the paper clip was taken off and placed near the south pole it will be ​ (a)   because it is an ​ (b)   magnet and not a ​ (c)   magnet.

• attracted
• induced
• permanent
• repelled
• electro