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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 |