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In this activity, students construct a simple, effective moisture sensor that is then used to give warning of dry, damp or wet conditions.

By the end of this activity, students should be able to:

  • construct a simple moisture sensor
  • conduct a series of experiments to investigate how various moisture sensors work.

Download the Word file (see below) for:

  • introduction/background notes
  • what you need and what to do
  • student worksheets.
    Published 2 September 2010