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Subtopic: Electric Current

Change grade range

Resource	Grade Level	Media Type
AC / DC: What's the Difference? This animated essay from the American Experience Web site explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator.	6-12	HTML Interactive
Experimenting with a Lemon Battery Can a fresh lemon power a digital clock? In this video segment adapted from ZOOM, the cast shows you how this can be done and, in the process, discover how kids can be a part of an electric circuit.	3-8	QuickTime Video
Exploring Conductivity: Kid Circuits In this video segment adapted from ZOOM, cast members join hands and become electron conductors to complete an electric circuit.	3-8	QuickTime Video
Ohm's Law In this interactive simulation of Ohm’s law, adapted from the University of Colorado's Physics Education Technology project, adjust the voltage and resistance in a circuit, and observe how this affects the flow of current.	3-12	Flash Interactive