Like charges repel (++. --) opposite charges attract (+-, -+) ??? ??? ??? Electric Current contains an electrical energy and a conductor ??? ??? ??? Conductor is a material that allows electric current to flow through it (ex. copper, gold, aluminum, silver) ??? ??? ??? Insulators Material that does not allow electric current to flow through it (ex. wood, rubber, plastic) ??? ??? ??? Voltage the am