Electricity
Appliances: fridge, freezer, TV, computer, iron, kettle, etc
Series circuit
Components: battery, bulb (lamp), bulb (lamp) holder, buzzer, crocodile clip, leads, wires, switch
Describing words: brighter, duller, slow, fast, quiet, loud
Conductor, insulator
Effects of electricity: Light, sound, movement, heat
Switches – open, close