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Activity
University of Kentucky

Elecroscope Lab

For Students 9th - 10th
This site is actually a lab from the University of Kentucky Electrical Engineering Department. It is an excellent experiment that can be done at the high school level.
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Activity
University of California

University of California Berkeley: Charging an Electroscope by Induction

For Teachers 9th - 10th
From the U.C. Berkeley Physics Lecture Demonstrations website. A thorough description of an activity in which a charged metal plate is used to charge an electroscope by induction. Complete directions and a diagram of the equipment and...