Electrical Energy Crossword Puzzle

QUESTIONS LIST: microphone : a device that uses a magnet to convert sound into electrical charges, electromagnet : an electrical circuit that produces a magnetic field, insulators : materials that do not allow electricity to flow easily, switch : a device that can open and close a circuit, door bell : an electrical device that uses an electromagnet to operate, metal : a good conductor, conductors : materials that allow electricity to flow easily, circuit : the path along which electrical currents flow, closed : a complete, unbroken circuit, open : a circuit that has breaks or openings, resistance : the property of a substance that opposes or slows electrical current, current : a flow of electrical charges