Carbon. Graphite. UV ray. Ruby obsorbs UV rays and emits light. Resistor conducts very slowly. Boron. Sawdust (broken wood). Lemon juice (Similar to battery copper or zinc conduct the liquid). Zinc. Sugar water. Magic has random affect on elements. Non burnable wax. Rubber.
No. No. No. Light? Use WATR Properties? Would break wood (you see what I did there?) WATR Properties? Properties? You know... with the glowy BOMB effect with this, it could be pretty neat. +1 Goo.