Primary 4 - Magnet (Class Test)

Which of the following is considered a natural magnet?

The pole which points towards the north direction is called

To make powerful magnets there is the use of alloy called

A rock which attracted iron materials was found by

An instrument which uses a magnet to give direction is known as

Fill in the blanks in the following

(i) Artificial magnets are made in different shapes such as __________, __________ and ____________.

(ii) The Materials which are attracted towards a magnet are called________.

(iii) Paper is not a ______ material.

(iv) In olden days, sailors used to find direction by suspending a piece of ___________.

(v) A magnet always has __________ poles.

A cylindrical magnet has only one pole.

Artificial magnets were discovered in Greece.

Similar poles of a magnet repel each other.

Maximum iron filings stick in the middle of a bar magnet when it is brought near them.

Bar magnets always point towards North-South direction.

A compass can be used to find East-West direction at any place.

Write any two properties of a magnet.