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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 Referencing Hub articles