Circuit - The path along which electricity travels, Components - the different parts of the circuit, e.g battery, bulb and buzzer, Battery - has stored electrical energy and provides the power in the circuit, Switch - allows the flow of electricity to be turned on and off, Insulator - prevents electricity to flow, Conductor - allows electricity to flow, Circuit Diagram - symbols are used for components instead of pictures, Complete Circuit - electricity can only travel if there are no gaps in the circuit and there is power,

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