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10 Cards in this Set
- Front
- Back
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The attraction objects have to a magnet is called _______.
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magnetism
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Objects that are attracted to magnets are called ____ substances.
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magnetic substances
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Objects that are NOT attracted to magnets are called ____ substances.
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nonmagnetic substances
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______ are naturally occuring magnets.
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Lodestones
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Lodestone are composed of a form of iron called ____.
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magnetite
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How was lodestone used by ancient sea captains?
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They used the lodestone as a compass.
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What are some of the uses of magnets today?
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In computers, tvs, telephones
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___ and ____ discovered the laws of magnetism.
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Faraday and Maxwell
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_______ discovered that the lodestone's magnetism is concentrated at two point (poles).
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Peregrinus
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What are the names of the two poles of the magnet?
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north-seeking pole and south-seeking pole
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