Naturally magnetic lodestones were found in an area of Greece called Magnesia and by the 1100s, lodestones were used for navigation. In 1269, Petus de Maricourt discovered that magnets have two poles. More »

www.reference.com Science Physics Magnetism

A compass uses a magnet that points north according to the Earth's natural magnetic field. In many compasses, the indicator is a magnetic needle mounted on a spindle that allows it to swing freely, while in others there ... More »

Curriculums may vary from school to school, but a typical second-grade science curriculum includes units on scientific inquiry, earth science, weather and magnets. Second-grade science students are taught to recognize pa... More »

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You can strengthen magnets by placing them in water, stacking them on top of each other or recharging them. The method of making a magnet stronger depends on the type of magnet you have, explains HowStuffWorks. More »

Car magnets usually stay in place while the vehicle is in motion as long as they are applied properly. Magnets stay on best when placed on areas of the car that are flat or slightly curved. Car owners should only apply t... More »

Permanent magnet generators produce electricity by rotating strong magnets around metal wires. These conductive wires then convey the electricity throughout a residence or industrial complex for decades, because the magn... More »

Magnets that can be made easily from material found at home are called homemade magnets. These are very small and weak magnets. They are primarily for having fun and teaching children about magnetism. More »

www.reference.com Science Physics Magnetism