| A | B |
|---|
| circuit | a system that connects electrical devices so that they will operate |
| elecricity | flowing electrons |
| conductors | materials that allow electricity to flow through them |
| insulators | materials that stop the flow of electricity |
| short circuit | when the circuit is not complete and does not allow the electricity to flow through |
| electric current | a flow of electric charge through something |
| filament | a fine wire that becomes hot and produces light when an electric current passes through it |
| battery | a device that can produce an electric current as a result of chemical change in it |
| semiconductor | a substance that can act as a conductor or an insulator |
| switch | a device used to turn the electrical current in a circuit on or off |
| wire | a metal strand used to connect electrical devices in a circuit |
