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4th grade chapter 9

Electricity and Magnetism

insulator a material through which an electric charge moves with difficulty
static electricity an excess of negative or positive charge in an object
series circuit a circuit in which electric charge can only flow in one circular path
electric current an electric charge in motion
parallel circuit a circuit that has 2 or more part through which electric charges may flow
conductor a material through which an electric charge can move easily
generator a machine that produces electric energy by turning coils of wire around powerful magnets
filament a thin, coiled wire that can get very hot without melting
magnetism a force that acts on moving electric charges and magnetic materials
electromagnet a magnet that only works when electricity is provided
Created by: Alvira