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12 Cards in this Set
- Front
- Back
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resistance
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measure of how much a material opposes the flow of electric current and changes electric current into heat energy
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conductor
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material through which electric current passes easily
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insulator
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material through which electric current does NOT pass easily
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series circuit
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circuit that connects several objects one after another so that the current flows in a single path
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parallel circuit
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circuit that connects several objects in a way that the current for each object has its own path
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magnet
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anything that pulls iron, steel, and certain other metals to it
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magnetism
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the force around a magnet
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magnetic field
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the space around a magnet where magnetism acts
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pole
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place on a magnet where magnetism is strongest
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compass
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small magnet that can turn freely
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generator
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machine that uses an energy source and a magnet to make electricity
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electromagnet
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magnet made when n electric current flows through a wire
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