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360Science™: Polymers and Conductivity

firewatch

For this version students are provided a polyaniline conductive solution that they use to construct conductive polyaniline sensors. Students will measure the conductivity of the sensors, then observe how that conductivity changes as a result of being exposed to acid and base vapors.

Concepts

  • Polymers
  • Acid–base
  • Conductivity
  • Oxidation–reduction
  • Chemical sensors