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10 Cards in this Set
- Front
- Back
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Electricity
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A type of energy in which small particles ( called electrons ) move through a device
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Magnetism
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An object that is surrounded by a magnetic field and that has the property, either natural or induced, of attracting iron or steel.
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Conductors
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Anything an electrical current can pass through easily.
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Current
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A flow of electricity
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Magnetic Field
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A condition found in the region around a magnet or an electric current, which has a magnetic force at every point in the region and magnetic poles.
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Insulators
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Materials that electricity has a hard time flowing through; e.g. plastic coating on wires, leather, wood, etc
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Simple Circuit
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Consists of a battery (power source ), wire ( conductor ) , an electrical device ( load ) , and switch (control) connected together to form a closed circuit.
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Efficiency
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The ratio of the energy delivered by a machine to the energy supplied for its operation
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Resistance
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The opposition of a substance to the passage of electrical current; friction against electrons moving
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Switch
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A device used to control the flow of electricity
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