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Magnets/Electricity
Practice for the Unit Test
Term | Definition |
---|---|
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 |