Battery,Wires and Light bulb. Make a simple circuit shown in the picture, touch the two ends of the wires to check that the bulb lights up. The light bulb lights up when the wire is in the bowl of water.
Electricity flows through some materials very easily.
These materials are called Conductors. Water and Metal are good conductors of electricity. Electricity cannot flow through some materials, such as wood and plastic. These materials are called Insulators. Homepage Last modified on Tuesday 8th October 1996.