Fill in the blanks in the following
- Artificial magnets are made in different shapes such as __________,__________ and ____________.
- The Materials which are attracted towards a magnet are called________.
- Paper is not a ______ material.
- In olden days, sailors used to find direction by suspending a piece of ___________.
- A magnet always has __________ poles.
(a) bar magnets, horse-shoe magnets, cylindrical magnets.
(b) magnetic materials
(d) bar magnet