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360Science™: Build a Micro Battery

firewatch

After witnessing the instructor’s large scale voltaic cell demonstration, students discuss the different parts of the voltaic cell (battery). A voltaic cell is a device that uses chemical potential energy and converts it to electrical energy. Then students head into the lab and build a voltaic cell from an LED, filter papers and two metal samples.

Concepts

  • Half-cell reaction
  • Oxidation–reduction reactions
  • Voltaic cell vs. electrolytic cell
  • Standard reduction potential