It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.

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.

State whether the following statements are true or false:

i. A cylindrical magnet has only one pole.

ii. Artificial magnets were discovered in Greece.

iii. Similar poles of a magnet repel each other.

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

v. Bar magnets always point towards North-South direction.

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

vii. Rubber is a magnetic material.

Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.

Write any two properties of a magnet.