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Practice for the Unit Test

attract to pull towards one another
battery a source of electricity with more than one cell
circuit a pathway for the flow of electricity
closed circuit a complete circuit through which electricity flows
code a set of signals that represents letters or numbers used to send messages
conductor a substance through which electricity will flow
current the flow of electricity through a conductor
electricity a form of energy that produces light, heat, and magnetism
electricity source something that provides electric energy to make something happen
electromagnet a piece of iron that becomes a temporary magnet when electricity flows through a wire wrapped around it
filament material in a light bulb that glows when heated by an electric current
force a push or pull
lightning a flash of light caused by a discharge of static electricity between two clouds or from a cloud on Earth
magnet an object that sticks to iron
magnetism a property of certain kinds of materials that cause them to attract iron or steel
Created by: cbergh