| A | B |
| Electric Current | This flows around a complete elecrical circuit. |
| Cell | Provides the electric current |
| Battery | Two or more cells joined together |
| Bulb | A component that produces light |
| Switch | A device that enabls a circuit to be 'on' or 'off'. |
| Wire | Allows electric current to flow through them. |
| Series Circuit | A circuit where everything is connected together in one loop |
| Ammeter | Used to measure electric current |
| Resistance | Components have this to resist the flow of electric current |
| Parallel Circuit | Where every component is connected in its own loop. |
| Fuse | A safety device that melts when too big a current flows. |
| Plug | Electrical appliances are connected to the mains electricity through this. |