NCERT Solutions for Class 6th Science
Chapter 13. FUN WITH MAGNETS
13. FUN WITH MAGNETS
- The substances having the property of attracting iron are now known
- Magnetite is a natural magnet.
- Magnetite contains Iron.
- Magnets, which are made from a pieces of Iron by men are known as artificial magnets.
- Nowadays artificial magnets are prepared in different shapes. For example, bar magnet, horse-shoe magnet, cylindrical or a ballended
- Artificial magnet is powerful magnet than natural magnet.
- The materials which get attracted towards a magnet are magnetic – for example, iron, nickel or cobalt.
- The materials which are not attracted towards a magnet are non-magnetic. Examples: Plastics, wood, Alumunium, leather and papers etc.
- Magnets have two poles, that are North pole and South pole.
- When a bar magnet hanged freely with a thread by its balanced centre point after coming in rest its one of the pole lives toward north direction while other pole lives in South direction.
- The end of the magnet that points towards North is called its North seeking end or the North pole of the magnet.
- The other end that points towards the South is called South seeking end or the South pole of the magnet.
- All magnets have two poles whatever their shape may be.
Usually, north (N) and south (S) poles are marked on the magnets.
- Magnet is used to separate iron contains from the mixture of sand and iron fills.
- The most of the iron filings are attracted towards the two ends of a bar magnet.
- Magnets were known to people from ancient times.
- Magnets are also used to find the direction, such device which is used to find the direction is known as compass.