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Earth as a Magnet

Earth has magnetic poles and a magnetic field over which it exerts magnetic force.

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Science & Environmental Facts : Why Is the Earth Like a Magnet?

Earth behaves like a magnet because the molten iron core of Earth interacts with the movement of electrons on the surface of the planet. Use a compass to determine the direction of the north and south magnetic poles with information from a math and science teacher in this free video science lesson.

Courtesy of ehowgreen

 

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