Magnets

Magnets-
               Magnets are materials that can attract iron,metal itself or object made of iron.Now we learn about permanent and temporary magnets.These are artificial magnets.

Permanent magnets-These are magnets that once made,remains as magnet for a long time.Materials used for making.Permanent magnet are steel,cobalt.

Temporary magnet-These are  magnet once made remains as a magnet for a short interval of time.The materials used for making this type of magnet are-soft iron,nickel etc.