From the simplest circuit to the power of mains electricity... and what does a plastic duck and a wooden spoon have in common?

Also available in Streaming on Learn360.

This episode covers the following segments: 9.1 Opening montage 9.2 Making a circuit 9.3 Circuits in practice 9.4 Electrical conductors 9.5 Batteries 9.6 Mains power 9.7 When there isn't mains power (Lundy Island) 9.8 When there isn't mains power (Lighthouse).