We rely on electric circuits every day, in our homes, schools and places of work, as well as in our portable gadgets and kitchens. In this activity, a circuit drawn by a pencil conducts electricity to light an LED.
You’ll need to get hold of an LED, some wires and crocodile clips – these are all available cheaply online or from high street electronics shops.
KS2 Science: Properties and changes of materials
KS3 Physics: Current electricity
SMG Learning Activities – Graphite Circuits (PDF Document)