This clip explains how current is the flow of electrons around a circuit and voltage is the energy released by electrons. The ways in which current and voltage are measured are seen. Animations of electrons moving around circuit diagrams are also seen.
- This clip is from:
- First broadcast:
- 21 November 2008
Ask pupils to complete a circuit using different materials to see if they have free electrons and are therefore conductors or insulators. Record the pupils' results in a table.