Wednesday, December 19, 2012
Magnetism
The Magnetic Earth
Here´s a website to begin learning about the Earth´s magnetic field. This NASA website includes information, movies and pictures about magnetism, the magnetosphere and how Earth´s magnetic field shields the planet from solar storms.
http://image.gsfc.nasa.gov/poetry/educator/Earth79.html
Here's a video that shows how a compass works:
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