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Inquiry and Overview

Impact on Animals
Impact on Animals Would a dramatic change in the Earth's magnetic field affect creatures that rely on it during migration?

When Compasses
Point South

When Compasses Point South As this time line shows, our planet's magnetic shield has reversed its direction hundreds of times.


Slide Show and Interactive

Gallery of Auroras
Gallery of Auroras Auroras like those displayed here would be visible every night of the year during a magnetic field reversal.

See a Reversal
See a Reversal Watch a simulated flip of the Earth's magnetic field, from the first signs of instability to the final reversal.

Resources

TV Program Description

NOVA News Minute
Watch a news clip related to NOVA's "Magnetic Storm" program.

Links & Books

Teacher's Guide

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Credits

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