Fill in the blanks.

(i) Artificial magnets are made in different shapes such as [[1]], [[2]] and [[3]]

(ii) The materials which are attracted towards a magnet are called [[4]].  

(iii) Paper is not a [[5]] material. 

(iv) In olden days, sailors used to find direction by suspending a piece of [[6]]. 

(v) A magnet always has [[7]] poles.