Written Narration : The Wonder Book of Chemistry

Uncle Paul went to collect some yellow powder and asked the children what it was and they said it was sulphur.  They put some on the fire and it became blue, so they knew it was sulphur.  Uncle Paul showed another packet to them, and they said it was iron fillings.  Again, they proved it by using the magnet to attack the fillings.  Uncle Paul mixed two of them together and asked who can separate them.  Joules used the magnet and succeeded.