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    In this activity, students investigate some of the properties of clay such as moisture content, shrinkage and strength.

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

    • identify by appearance and texture the clay types kaolinearthenware and bull clay
    • determine the water loss that occurs when clays are firstly dried and then heated in a kiln
    • describe how shrinkage in clays occurs
    • state some of the changes that occur when clay is fired
    • effectively use top-loading balances.

    Download the Word file (see link below) for:

    • introduction/background notes
    • instructions on what you need and what to do
    • discussion questions
    • ideas for extending your students
    • student worksheet.
      Published 27 April 2010 Referencing Hub articles