| Term | Definition |
| Electrons | negatively charged subatomic particles |
| Attract | to pull toward |
| Repel | to push away |
| Electric Charge | charge obtained by an object when it gains or loses electrons |
| Electric Circuit | any closed path along which electrons can flow |
| Electric Current | for or electrons from negatively charged objects to positively charged objects |
| Series | circuits in which all components are connected in a single pathway |
| Parallel | circuit in which each component is on its own pathway |
| Conductor | material that does carry electrons easily |
| Insulator | material that does not carry electrons easily |
| Electromagnet | temporary magnet made by passing an electric current through a wire coiled around an iron bar |
| open circuit | electrons cannot flow through - switch is up |
| closed circuit | electrons can flow - switch is closed |