What is a magnet?

Magnetization is the proses by which a magnetic substance attains magnetism

• temporally

• never

• permanently

• temporally and permanently

Answer explanation

Magnetization can occur both temporarily and permanently, allowing a magnetic substance to attain magnetism in different ways.

How can you destroyed a magnet by demagnetization

• Rough handling

• By passing electricity

• All of them

• By heating

Answer explanation

Demagnetization can be achieved by rough handling, passing electricity, and heating, hence all of the options provided are correct.

How long does a magnet last?

• 10 days

• 421 days

• for ever, losing only 5% in 100 years

• for ever without losing any ability

Answer explanation

The correct choice is 'for ever, losing only 5% in 100 years' as magnets can last indefinitely, only losing a small percentage of their magnetism over a long period.

Magnets can attract materials such as

• steel

• plastic

• wood

• ceramic

Answer explanation

Magnets can attract materials such as steel, making it the correct choice among the options provided.

The magnet is not attracted to materials such as

• steel

• stainless steel

• cobalt

• iron

Answer explanation

The magnet is not attracted to stainless steel because it is a non-magnetic material, unlike steel, cobalt, and iron which are magnetic materials.

How many poles does Magnets have?

• 3

• 1

• 4

• 2

Answer explanation

Magnets have 2 poles, a north pole, and a south pole. Therefore, the correct answer is 2.

The magnet poles are called...

• South and East pole

• West and North pole

• North and South pole

• East and West pole

Answer explanation

The correct answer is North and South pole because these are the names given to the two opposite ends of a magnet where the magnetic field is the strongest.

Can a magnet have only one pole?

• yes

• maybe

• no, it has 3 poles

• no

Answer explanation

A magnet cannot have only one pole because it always has at least two poles, a north pole, and a south pole. Therefore, the correct answer is no.

How many poles will a bar magnet have, when broken into two parts, all the pieces include?

• 2

• 1

• 4

• 0

Answer explanation

When a bar magnet is broken into two parts, each part will have two poles (North and South). Therefore, when broken, the bar magnet will have a total of 4 poles.

Clic on one magnet type.

• Straight magnet

• Bar magnet

• Long magnet

• Pin magnet

Answer explanation

The correct choice is 'Bar magnet' as it is a common type of magnet with a rectangular shape.