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A positivley charged particle in an atom |
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an uncharged particle in an atom |
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a negatively charged particle in an atom |
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The totol electric charge on an object |
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The area that surrounds an electron |
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a material that lets electrons go through it easily |
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a material that doesn't allow electrons to flow easily |
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a devise that can detect the presence of electric charges |
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a closed path or loop through which electrons can flow |
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the flow of electrons in a circuit |
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Measures the difference in energy between the negative and posistive terminals of a battery |
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the tendancy of a material to oppose the flow of electrons |
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a device with a small piece of metal. When the metal gets hot it will bend |
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a device with a small piece of metal. when the metal gets hot it breaks |
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the property of matter where there is an attractive force between two unlike poles and a repulsive force between the like poles |
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the area around the magnet where the magnetic force has an infulence |
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the group of atoms whose magnetic poles are all aligned in the same direction |
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An iron core with a wire wrapped around it. when a current runs through the wire, it creates a strong temporary magnet |
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a device that changes electric energy into mechanical energy |
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the process of moving a wire through a magnetic field to make an electric field |
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electromagnetic induction |
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a device that produces an electric current by rotating a loop of wire in a magnetic field |
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Current that changes direction on a daily basis |
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Current that does not change direction |
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a device that increases or decreases the voltage of an alternating current |
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