| A | B | 
|---|
| static | A build-up of electric charges on an object. | 
| current | Electrons moving through wires in a lamp. | 
| field | The area around charges that exerts an electric force on other charged particles. | 
| friction | Electrons transferred by rubbing. | 
| conduction | Electrons moving by touch. | 
| induction | An electric charge caused by the closeness of another charged object. | 
| Conserrvation of Charge | charges are neither created nor destroyed: Law of | 
| attract | Opposite charges | 
| electroscope | A device that shows when an electric charge is present. | 
| discharge | Lightning striking the ground is an example of | 
| electron | negatively charged particle | 
| proton | positively charged particles | 
| repel | similar charges |