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    In this activity, students investigate some of the properties of seawater.

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

    • discuss that salt dissolves in water
    • explain that dissolved salt does not change the volume of the water
    • discuss the differences in density between freshwater and seawater
    • discuss how freshwater in the form of rain or melting ice reduces the salinity of the saltwater on the surface.

    Download the Word file (see link below) for:

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