Greased Lightning
Van De Graff Confetti
Directions
Mrs. Mandarich Explanation of Demo
Electricity is the flow of charged particles, specifically electrons in motion, and a Van de Graff Generator creates an excess/build up of electrical charge caused by the friction of the belt within the device. As the Van de Graff runs, excess electrons build up on the belt, the Van de Graff ball, and eventually even the little "confetti" circles of thin paper. Once the stability of the flow of electricity stops, the electrons are all "stuck" with their negative charge and since like charges repel, or push away from each other, the electrons want to scatter as far and fast as possible. The result is the highly entertaining scattering of the paper confetti across the room.
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