Expand all + Producing Static Charge 5A10.10 - Rods, Fur and Silk5A10.20 - Electrophorous + Coulomb's Law 5A20.10 - Rods and Pivot5A20.20 - Coulomb's Law with Pith Balls5A20.28 - Beer Can Pith Balls + Conductors and Insulators 5A30.10 - Wire vs. String + Induced Charge 5A40.15 - Charging by Induction5A40.20 - Charged Propelled Cylinder5A40.30 - 2" x 4"5A40.35 - Metal Rod Attraction5A40.40 - Deflect a Water Stream + Electrostatic Machines 5A50.10 - Wimshurst Machine5A50.30 - van de Graaff Generator5A50.31 - Hand-Cranked van de Graaff Generator