Conduction of electricity This experiment is designed to help you find out which materials conduct electricity Set up the circuit as shown in the diagram. Test your bulb by touching the two crocodile clips together to check that the bulb lights strongly. If it doesn’t your batteries are flat or the bulb is broken. Copy and complete the table. Write in whether the bulb is on or off and if it is on whether it is bright or dim. Try and test the materials mentioned but also find some more for yourself. There are some spaces left for you to fill in these others. Material Bulb on/off Bulb dim/bright Copper Iron Brass Plastic Rubber Try and explain with the help of your teacher why some materials conduct electricity and other do not. You might find the file called Electricity on the Foundation section of the web site useful.
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