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4th grade sci ch 4

QuestionAnswer
insulator a material through which an electric charge moves with difficulty ex. plastic and glass.
electric current an electric charge in motion
series circuit a circuit in which electric charge can only flow in one circular path.
circuit a loop or unbroken path through which electric charges can flow.
parallel circuit a circuit that has two or more paths through which electric charges may flow.
conductor a material through which an electric charge can move easily ex. metal and water.
electromagnet a magnet that only works when electricity is provided
magnetic domain a region in a material in which the magnetic fields of all atoms are painting in some general direction.
motor a device that charges electrical energy into mechanical energy
magnetic field the space around a magnet in which magnetic forces operate.
generator a machine that produces electric energy by turning coils of wire around powerful magnets.
magnetic pole the end of a magnet where the magnetic field is strongest.
Created by: t_fowler
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