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    In this activity, students investigate the pattern of magnetic fields on a fridge magnet. This will give them an idea of the principle behind scanning probe and magnetic force microscopes.

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

    • briefly explain how a magnetic force microscope works
    • understand that the probe in a magnetic force microscope senses changes in the magnetic structure of the surface at the atomic level
    • create an image of the magnetic structure of a fridge magnet.

    Download the Word file for:

    • introduction/background notes
    • what you need
    • what to do
    • student handout.
      Published 28 May 2008, Updated 11 April 2014 Referencing Hub articles