Which statement is not true?

• A south pole repels a north pole.

• A south pole repels a south pole.

• A north pole attracts a south pole.

• A north pole repels a north pole.

Which pair of materials are both magnetic materials?

• silver and gold

• iron and plastic

• copper and steel

• iron and steel

Which of these changes will make an electromagnet stronger?

• Use more coils of wire.

• Use a smaller current.

• Use a wooden core.

• Use fewer coils of wire.

Which of these is NOT a reason why electromagnet are used?

• They can be switched off.

• They are more expensive.

• Their strength can be controlled.

• They can be very strong.

A magnetic field is:

• a piece of ground with lots of iron in it.

• the space around a magnet where it attracts magnetic materials.

• the space around a magnet where it attracts all metals.

• the space around a magnet where it repels magnetic materials.

Which diagram shows the shape of the magnetic field of a bar magnet?

The direction of a magnetic field is from:

• the south pole to the north pole.

• the north pole to the south pole.

• the west pole to the east pole.

• the east pole to the west pole.

The Earth’s north magnetic pole is:

• near the North pole.

• near the South pole

• at the North pole.

• at the South pole.