(1) A button shaped magnet will have only one pole.

(2) A horseshoe magnet must be stored in pairs.

(4) A compass can tell us the east west direction also.

(5) The north pole of a magnetic compass points to the geographic south pole.

(6) A magnet can attract only a magnetic substance.

(8) Magnetic keepers are pieces of rubber.

(9) Hammering a magnet, improves its magnetic properties.

(3) A freely suspended magnet is affected by the Earth’s magnetic field.

(7) If a broken magnet is freely suspended it will not show north –south direction.

(10) When steel is magnetized by induction it does not lose its magnetism quickly.

(1) The magnetic materials other than iron are ____________ and ____________.

(2) Name of a natural magnet is ____________.

(3) A compass has a ____________ in it.

(4) Magnetic poles that repel each other are ____________ and ____________.

(5) Even a broken magnet will have ____________ poles.

(6) Different types of poles of a magnet are called ____________ poles.

(8) If iron pins are sprinkled on a magnet most pins will stick to the ____________.

(9) Electromagnets are used in ____________.

(10) Bar magnets are always stored in ____________.

(7) When magnetism is induced the near end of the iron piece develops ____________ pole.

(1) Where are the poles in a magnet located?

(4) What is the area of influence of a magnet called?

(5) What is the directive property of a magnet?

(8) How do we know that the Earth has magnetic property?

(2) Name two items in your home that has a magnet in it.

(3) Your pencil, sharpener which has a plastic body is attracted by a magnet. How?

(7) Why are artificial magnets preferred over natural magnets?

(9) How can we increase the magnetic property of an electromagnet?

(10) What happens when a magnet is brought near a freely suspended magnet?

(6) Write any three uses of magnets.

(2) Differentiate between magnetic and non-magnetic materials.

(4) If you find a magnet whose poles are not written on it; how can you find its north pole?

(5) How can we say that magnetism is a contact as well as a non-contact force?

(9) Explain how will you ascertain that a piece of iron is a magnet?

(1) When you dip a bar magnet into a mixture of sand and iron filings, iron filings cling to the poles only. Can you explain why?

(3) Write any three properties of magnets and how the properties are useful?

(6) Prove that maximum magnetic power resides in the poles of a magnet?

(7) Explain how and why magnets should be stored carefully?

(8) Explain a process of making an artificial magnet from a bar of iron.

(10) How can a magnet lose its magnetism?

Gold

Side

East-West direction

Very strong magnets can actually attract substances like cardboard.

Induction method

Repel

Directive property

It is demagnetised

The magnets are lifted high up after rubbing the iron bar.

the south pole