An Introduction to Geomagnetism
http://image.gsfc.nasa.gov/poetry/magnetism/magnetism.html

Sten Odenwald, National Aeronautics and Space Administration (NASA)


This tutorial introduces students to geomagnetism, the Earth's magnetic field, and its changes through time and space. Topics include the properties of Earth's magnetic field, how it makes a compass work, and why Earth has a magnetic field. There is also discussion of magnetic reversals, a set of links to additional reading and resources, and a set of classroom activities on the basic properties of magnetic fields and Earth's changing magnetic field.

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This resource originally cataloged at:

DLESE

Resource Type: Activities:Classroom Activity
Grade Level: High School (9-12), Middle (6-8), Intermediate (3-5)
Topics: Chemistry/Physics/Mathematics