separation a slight shift in the position of electrons

a material in which the electrons are bound tightly to the nucleus and are not free to move to a neighbouring atom; plastic is a good insulator

the law that states that opposite electric charges attract, and like electric charges repel

an electric charge that builds up because of an imbalance between the number of electrons (negative charges) and protons (positive charges)

a type of static electicity generator that separates large amounts of charge; used to research and demonstrate static electricity