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Mrs. Miller 2009
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repel
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To push apart
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lodestone
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lodstone a type of magnetite that has magnetic polarity
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Magnetic force
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the push or pull of a magnet on other magnetic material
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magnets
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Electric motors use these to keep them moving
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Temporary magnet
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a magnet that doesn’t keep its magnetism
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attract
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to draw together
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electromagnetism
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when a wire is coiled around an iron core and an electric current passes through it.
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Natural magnet
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substances that are naturally magnetized by Earth’s magnetic field and are made of an iron material
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compass
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an instrument used for determining geographic direction
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geographic
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the pole where Earth spins causing night and day
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Magnetic field
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a region of space near a magnet in which a magnetic force acts
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Permanent magnet
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a magnet that keeps its magnetism
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