Sunday, March 8, 2009
thank goodness for magnets!!!
this weekend i went on a long hiking trip through the mountains. i only brought with me a water bottle, three matches, a pocket knife, and a compass. about two hours into my trek, i noticed i had no idea where i was and that i was lost. luckily i had my trusty compass!!! the earth has a magnetic north and south pole. (north pole of earth= south pole of magnet and vice versa) when the red needle on the compass points north, it is actually being attracted by the earth's magnetic south pole. the geographic poles and magnetic poles of earth are not at the same place. the angle between them is known as the angle of declination. thanks to the earth's magnetic poles, i was able to find my way.
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