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    In this activity, students compare the viscosity of common household substances by measuring how fast marbles move through the liquids.

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

    • set up and carry out a test, keeping variables constant
    • use a graph to communicate their results
    • apply their understandings about viscosity to everyday situations.

    Download the Word file (see link below) for:

    • introduction/background notes
    • what you need
    • what to do
    • discussion questions
    • extension idea
    • marble time chart.
      Published 12 April 2010 Referencing Hub articles