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Questions for Discussion: Experimenting with a Lemon Battery

  • How does the lemon battery work?
  • Do you think the digital clock would work if the coin and paper clip were the same kind of metal?
  • What factors could you change or vary to help you better understand what makes this digital clock work?
  • Do you think the electrical current flowing in this circuit is the same or different from the electrical current in a wall clock or a battery-powered clock? Explain.