Electricity

Circuit Builder

http://thefusebox.northernpowergrid.com/page/circuitbuilder.cfm

Circuit World

http://www.cleo.net.uk/consultants_resources/science/circuitWorld/circuitworld.html

Learning Circuits

http://www.learningcircuits.co.uk/

Electricity Quiz

http://resources.woodlands-junior.kent.sch.uk/revision/science/elec.html

Silicone Spies

http://www.engineeringinteract.org/resources/siliconspies.htm

BBC Schools Science Series

Circuits and Conductors

http://www.bbc.co.uk/schools/scienceclips/ages/8_9/circuits_conductors_fs.shtml

Changing Circuits

http://www.bbc.co.uk/schools/scienceclips/ages/10_11/changing_circuits_fs.shtml

Using Electricity

http://www.bbc.co.uk/schools/scienceclips/ages/6_7/electricity_fs.shtml