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    In this activity, students observe the teacher igniting flour when it is in a basic combustion chamber.

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

    • understand how surface area of fuel affects fire behaviour – the more surface area, the more quickly ignition will take place.

    Download the Word file (see link below) for:

    • introduction/background notes
    • what you need
    • what to do
    • scientific explanation.

     

      Published 18 November 2009 Referencing Hub articles