| A | B |
|---|
| Circuit | the path on which electrons move |
| Conductor | matter with electrons move easily |
| Electric cell | a device that changes electrical energy into chemical energy |
| Circuit breaker | a safety device with a switch that turns off to break the flow of electricity when the wires become too hot. |
| Electric motor | a machine that changes electrical energy to mechanical energy |
| Filament | a thin coil of wire |
| Fuse | a safety device with a metal strip that melts to break the flow of electricity when the wires become too hot |
| Generator | a machine that changes energy of motion into electrical energy |
| Insulator | matter through which electrons do not move easily; matter that is not a good conductor |
| Kilowatt | a unit of measure of large amounts of electrical power |
| Kilowatt-hour | a unit equal to 1000 watts of electricity used for one hour |
| Mechanical | energy of moving parts |
| Parallel circuit | a circuit in which electrons can follow more than one path |
| Power | the amount of work done in a certain period of time |
| Series circuit | a circuit in which electrons can follow only one path |
| Static electricity | build up of electrons on an object |
| Turbine | a device that is made of wheels and blades |
| Wet cell | a type of electric cell that uses acid and water; |
