Explore the Earth's Dipole Magnetic Field


If a strong magnet is inserted into a soft rubber globe, then the orientation of the dipole field at the surface of the globe can be investigated by placing staples at various locations.

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I have written a page of information on the Earth's field and another to guide exploration of this model.  They are available in html, and pdf formats.  I learned of this model from Paul Doherty of the San Francisco Exploratorium.

Arbor Scientific sells this product as well.  You can order one from their site: