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  • Snot is simply mucus that is produced by a special membrane in the nose. The purpose of snot is to trap dust particles, germs and pollen that are inhaled and to prevent them from getting into the lungs. As disgusting as it might sound, making snot is a fun activity (for most students) to engage them and get them thinking about what snot actually is and why the body makes it.

    In this activity, students are hooked into ideas about immunity by making fake snot. Students discover what snot is and how it is an important part of the body’s defence against infection.

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

    • explain what mucus (snot) is and how it’s an important part of the body’s defence against infection
    • discuss how/why scientists use models to explain science concepts.

    Download the Word file (see link below) for:

    • introduction/background notes
    • what you need
    • what to do
    • fake snot recipes.
      Published 27 October 2010, Updated 5 December 2022 Referencing Hub articles
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