11 terms

electricity lesson 3-5

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Terms in this set (...)

circuit
An electrical circuit is a circle or loop along which electric charges can flow.
closed circuit
A circuit that allows electricity to flow. It is a closed loop.
electric current
A flow of electric charges.
electromagnet
A temporary magnet made when electric current flows through wire wrapped around a core of iron or steel.
filament
A very thin wire that glows and gives off light when an electric current flows through a light bulb.
motor
An electricity receiver that produces motion.
open circuit
A circuit that does not allow electricity to flow. It is a broken loop.
prediction
A guess about what you think might happen during an experiment or investigation, based on what you already know.
receiver
In electricity, something that receives electric current and changes it into light, heat, sound, motion, or other effects.
source
A place to get something. An electric current source can be a battery or wall outlet.
switch
Something that opens or closes a circuit.