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Questions for Discussion: Testing for Static Electricity

  • What is the function of each part of the electroscope: pie pan, cup, straw, thread/string, ball?
  • What material is each part made of? Which of these materials are conductors and which are insulators?
  • Will two negatively charged objects repel or attract each other? Two positively charged objects? A positively charged object and a negatively charged object? What rule can you state about charged objects repelling or attracting each other?