Rods, Fur, Silk, etc..

PIRA 5A10.10

We have several boxes of materials useful for electrostatics demonstrations.  Acrylic, glass, styrofoam cups, plastic shopping bags, and plastic cups will become positively charged when rubbed with silk, or plastic wrap.  Polyurathane, balloons, PVC, ebonite, teflon, vinyl, styrofoam cups, plastic shopping bags, and plastic cups will become negatively charged when rubbed with fur, hair, or wool.