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### 18 Cards in this Set

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 open circuit a circuit with a break in it circuitq a closed path for electricity to flow through How does a wall switch control whether lights are on or off? when the switch is on, you close the circuit and allows electricty to flow through. When you switch it off, it opens the circuit and does not allow electricity to flow through circuit diagram an engineering plan that uses lines and symbols to represent electrical circuits list 3 examples of conductors aluminum water copper give an example of a resistor the light bulb list 3 examples of insulators plastic rubber masking tape compare static electricity from current electricity Static electricity is extra electrical charge that stays in one place, current electricity is moving electrical charge current electricity moving electric current people who work with electricity often use tools whose handles are coated with rubber. Why? Most plastic and rubber materials are insulated, so you won't get electricuted how are large cities trying to cut down air pollution? buying electrical car with rechargeable batteries why should you never stick anything into an electrical socket? Because people conduct electricity since your body is made mostly of water. Electricity can flow through. volt a measure of the "push" provided by an electric current source closed circuit a circuit without breaks or interruptions switch a device to open or close an electrical circuit insulators materials that electrical currents do not flow through well conductor a material that flows through with relative ease good conductors have low resistance resistor the resistance of the flow of electric current