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    In this activity, students look at what happens when hot and cold water meet.

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

    • discuss how temperature affects the density of water
    • discuss how temperature and density affect ocean currents
    • discuss how wind can mix up the layers of warm and cold water.

    Download the Word file for:

    • introduction/background notes
    • what you need
    • what to do
    • student handout
    • extension idea.
      Published 17 July 2007, Updated 22 January 2014 Referencing Hub articles