History+of+Magnetism

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 * ===Lodestone is a naturally magnetic rock found on the Earth. Lodestone was discovered in Turkey over 2000 years ago. Lodestone was attracted to the iron nails in shoes of sheepherders as they walked their flocks.=== || [[image:http://jhmarlboro.pbworks.com/f/lodestone.jpg width="290" height="231" align="center"]] ||
 * [[image:http://www.fengshuicorner.com/images/compass1.jpg align="center"]] || ===The Greeks discovered that by hanging Lodestone on a string, it would point in a north-south direction.===

Chinese sailors floated small pieces of Lodestone on straw in a bowl. This produced the first Compass to allow sailors to navigate beyond sight of land.
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 * ===The Earth is a large magnet. The center of the Earth is made mostly of iron. The rotation of the Earth produces a magnetic field. The magnet of a compass lines up on the Lines of Force of the Earth's magnetic Field to point in a North-South direction.=== ||  ||