Science & Technology Grade 8

Which of the following three metals are magnetic?

• Iron, Lead, Nickel

• Cobalt, Aluminium, Iron

• Iron, Cobalt, Nickel

• Lead, Steel, Gold

The law of magnetism states that

• Like poles attract and unlike poles repel.

• A magnet has a north pole and a south pole.

• A magnet must have two different poles.

• Like poles repel and unlike poles attract.

Which of the following materials is magnetic.

• A thumbtack.

• A panadol tablet.

• A charging cord

• A matchstick.

This type of materials are easily magnetized.

• Soft magnetic materials.

• All metals.

• All materials.

• Hard magnetic materials.

When a magnet is attracted to a magnetic metal or another magnet a/an _________ _________ is felt.

• attractive pull

• magnetic field

• magnetic force

• attractive force

The geographical north pole is the magnetic's south pole.

• true

• false

The magnetic field surrounding a magnet moves from south to north.

• true

• false

When a magnet is broken it only has ONE pole.

• true

• false

The needle on a compass contains a magnet.

• true

• false

A permanent magnet means that its magnetism is there all the time and cannot be turned on or off

• true

• false