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.
