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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