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scince234

9-15-09

QuestionAnswer
Circut A closed path through which electricity travels.
Electric Current The flow of electric charges through a circuit.
Electromagnet Made by passing an electric current through a wire that is wrapped around a metal object,such as a nail
Resistance When it is hard for an electric current to pass through something
Vibration The back and forth movement of an object
Sound Made up of vibrations in our surroundings that we can hear.
Compression An area where air particles are pushed together
Sound Wave An alternating area of high and low air pressure that transmits energy through a medium, such as a solid, liquid or gas.
Created by: TommieLR80
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