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Magnetism im the 21st century

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Bryce Mitchell

on 3 May 2010

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Transcript of Magnetism im the 21st century

Natural magnets have North and South Poles Like poles repel and opposite poles attract Magnetic field lines flow from North to South Magnetism
Natural magnets are made from Iron, Nickel, and Cobalt Magnets display magnetic characteristics Magnets have North and South poles. Like poles repel and different poles attract. Magnetic field lines flow from North to South. Natural magnets can only be made from Iron, Nickel, and Cobalt Magnetic substances can be induced by magnets to become magnets http://www.articlecity.com/articles/hobbies/article_774.shtml http://library.thinkquest.org/11924/emagnet.html Compass was invnted by the chinese in the 12th Century AD MRI(magnetic resonance imaging) allow physicians to see 3D images of the human body w/o radiation Magnet toys include magnetic jewlery, cubes, calenders, and magnetic building sets The Earth itself is considered a magnet
It consists of two poles and has magnetic field lines
The geographical north pole is the magnetic south pole and vice versa Entertainment.howstuffworks.com/search.php

www.sciencenesforkids.org Speakers also use magnets to project sound
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