Electricity

What makes a bulb light up?

A source of energy produces a potential difference (voltage) that drives electric current through a circuit, where the energy is converted into other forms which can be used for lighting, heating and movement.

Resources

Scientific ideas, concepts and processes

Activities

crit DE Water heaters Investigation

crit A energy saving light bulbs

crit C 8Electricity2012Unit test

8Electricity2012Unit testMarkScheme

 

Image: Wikipedia