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4th Science
Oak Valley Electrical Energy Investigations 1-3
definition | term |
---|---|
The electrical property of particles of matter; it can be positive or negative | electrical charge |
Electric charges that have built up on the surface of an object. | static electricity |
The loss or release of an electric charge. | electrical discharge |
A continuous flow of electric charges. | electric current |
A path along which an electric current can move. | electric circuit |
A device that completes or breaks the path a current can follow in an electric circuit. | switch |
A material through which electricity moves easily. | conductors |
A material through which electricity does not easily move. | insulators |
A long, thin coil of wire that glows when electricity passes through it. | filament |
An electric circuit having more than one path along which electric current can travel. | parallel circuit |
A device in a circuit that contains a metal strip, which melts when the circuit is overheated, thus breaking the circuit. | fuse |
A switch that opens or closes a circuit by turning it on and off. | circuit breaker |