when you charge a balloon by rubbing it on your hair this is an example of what method of charging; what happens when you bring the balloon near your hair after rubbing it; static electricity; balloons and static electricity answers; what happens when you touch a metal doorknob after rubbing your shoes on the carpet?; balloon and paper experiment explanation; if you rub a glass rod with a piece of silk, the rod becomes positively charged this means that; why does the balloon stick to the wall