Hyperstudio - Create a multimedia presentation on safety. Have the students complete the spreadsheet by entering formulae which will calculate the cost the running the appliance. Has built-in science dictionary. Includes a 'Who's Who Of Inventors', an 'Inventor's Workshop' and 20 humorous 'Mammoth Movies'. Video - 8 minutes Explains static electricity and current electricity.
Experiments illustrate effects of electricity or lack of it.
Static electricity, polarity, conduction and circuits are explained. Describes the nature of electricity and dramatizes simple precautions for avoiding electric shocks. Rex and Judy convene a meeting of the Science Alliance and talk about electricity and how it can be generated. They discuss the people who discovered it, describe static and current electricity, and demonstrate how electricity can pass through certain items. 8 minutes Resistance, conductors and insulators are demonstrated.