| A | B |
| electroscope | shows an electric charge |
| Van de Graaff | generates a static charge on a sphere |
| static | electric charges that stay put |
| electric field | an area where electric charges push & pull |
| electric charge | a plus or minus in a field |
| field lines | rays that show directions of electric force |
| conduction | charges moving by touch |
| induction | charges caused by closeness |
| friction | charges move by rubbing |
| static discharge | static charge moving to ground |
| conservation of charge | charges are neither created nor destroyed |
| attract | opposite charges |
| repel | similar charges |