How Earth is a magnet and its geographic and magnetic poles, and magnetic field.
Displays the magnetic field of the Earth and how it expands into space.
Reviews how Earth is a magnet, Earth's geographic and magnetic poles, and Earth's magnetic field (magnetosphere).
Find out how a fox uses Earth's magnetic field to determine distance as well as direction in order to capture prey.
Discover how and why Earth's magnetic poles reverse positions and what the next reversal might mean for life on Earth.
An interactive program that shows where a compass points in different parts of the Earth.