Thursday, May 6, 2010

Electricity Flowing in a Circuit

Current Electricity - electricity that is produced by the flow of electrons along a circuit.

Electric Current - the flow of electrons in a current.

Circuit - where electrons flow through. Must contain: a source of electricity, like a battery, a pathway for electrons to flow through, like a wire and an electrical device such as a light bulb.

Direct Current - an electric current that flows in one direction only.

Voltage - the force batteries use to push electrons through a circuit.

Conductors - materials that let electricity flow through them easily.

Electrical Device - an appliance that changes electricity into heat, light, etc. For example, a light bulb or a toaster.

Closed Circuit - when a circuit is complete and can run through a full pathway.

Open Circuit - when a circuit is incomplete and cannot flow.

Series Circuit - a circuit that has only one pathway for the energy to flow.

Parallel Circuit - a circuit that has many ways for the energy to flow.

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