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Mag & Elec Ch 2 Voc

Magnetism & Electricity Chap 2 Vocabulary

QuestionAnswer
A metal rod about 20 cm (8 in.) long, is attached to the highest point of a building and protects the building when lightning strikes. Lightning Rod
A continuous flow of electric charges. Electric Current
An electric circuit in which the parts are connected in a single path. Series Circut
The electrical property of particles of matter; can be positive or negative. Electric Charge
A device that completes or breaks the path a current can follow in an electric circuit. Switch
The loss or release of an electric charge. Electric Discharge
A material through which electricity moves easily. Copper is an example of this. Conductor
Contains a filament that glows when electricity passes through it. The contacts at the base conduct electricity. Produces two forms or energy. Incandescent Bulb
Electric charges that have built up on the surface of an object. Static Electricity
When negative charges jump from a cloud to the ground this occurs. Lightning
A path along which an electric current can move. Electric Circuit
An electric circuit having more than one path along which electric current can travel. Parallel Circuit
Electric charges bump into particles of mercury gas. The gas gives off ultraviolet light. The light strikes the coating, which gives off white light. Florescent Bulb
Invented the light bulb. Thomas Edison
A switch that opens or closes a circuit by turning off or on. Circut Breaker
A material through which electricty does not move easily, rubber is one example. Insulator
A long, thin coil of wire that glows when electricity passes through it. Filament
A device in a circuit that contains a metal strip, which melts when the circuit is overheated, thus breaking the circuit. Fuse
Created by: blaubusch
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