REVIEW SCIENCE GRADE 4

What is the name of magnet A?

• Ring magnet

• button magnet

• bar magnet

• U-shape magnet

What is the name of magnet B?

• Ring magnet

• button magnet

• bar magnet

• U-shape magnet

What is the name of magnet C?

• Ring magnet

• button magnet

• bar magnet

• U-shape magnet

What is the name of magnet D?

• Ring magnet

• button magnet

• bar magnet

• U-shape magnet

What is the name of magnet E?

• Horseshoe magnets

• button magnet

• bar magnet

• U-shape magnet

Cars can be recycled in scrap yards. They are moved using a very strong magnet.

Which metal must the car contain to be attracted to the magnet?

• iron

• gold

• alumuminium

• silikon

The . . . of a magnet are the parts where the magnetic attraction is the strongest.

• poles

• repel

• attract

• metals

What are the poles of a magnet?

• north

• south

• east

• west

How should we handle magnets?

• place the magnet near a computer

• place the magnet near a television set

• do not drop or hit a magnet

• use a keeper to keep a magnet strong

Which of these object can be attracted by the magnet?

• aluminium can

• wooden ruler

• iron nails

• steel screws