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  • In this activity, students investigate water density by floating eggs in freshwater and saltwater.

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

    • discuss the concept of density
    • discuss how salt increases the density of water
    • explain why an egg sinks in freshwater but floats when salt is added.

    Download the Word file for:

    • introduction/background notes
    • what you need
    • what to do
    • extension idea.
      Published 4 September 2008, Updated 22 January 2014 Referencing Hub articles
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