How Electricity is Produced

Duration: 400 ft.

Year Published: 1960

Complete Record: boy rubs comb on cloth and becomes charged with enough static electricity to pick up little pieces of paper. CU of a cirrus board that boy has created. The wires are hooked up to a battery. shows what a car battery can control: starting the car, windshield wipers, turn signal, etc. MS of man standing outside with a photographic exposure meter. Electricity runs the needle and give accurate reading. LS of phone poles and wires. Shows how we use electricity at home: lights, vacuum, refrigerator, food mixer, stove, etc. MS of boy sitting in chair and reading book. MS of Michael Faranay (sp?) in 1831 who performed many kinds of electrical tests. He used a magnet and a coil of copper wire, a galvanometer. He moved the magnet around the wire but didn’t touch it. The magnet had produced an electrical power in the wire. MS with man with small electric generator. Shows the different parts of it. CU on electrical meter. Can power a light bulb. LS of huge generator that is used for producing electricity for thousands of people. They are steam powered or powered by falling water. LS of hydroelectric plant. LS of lake where water comes from. Pipes carry water from lake to the power plant. A model shows how the hydroelectric power works. LS of several generators. Central control room with a few men. Lots of knobs and switches, gages, lights, etc. Electric plant with wires. Substation. MS of boy back in his garage. He tries to perform more experiments. Narrator warns us of the danger of electricity.