Question

Prepare a list of materials that are good conductors of electricity and where have you seen them in your daily routine. If you sharpen the pencil at both sides and use it to test the solution instead of wire ,will the bulb glow?

Answer 1

silver 
gold 
copper 
aluminium 
mercury 
steel 
iron 
sea water 
concrete 
platinum 
brass 
bronze 
graphite 
dirty water 
lemon juice