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electricity & magnet
| Term | Definition |
|---|---|
| magnetism | force of attraction or repulsion of magnetic materials |
| magnetic field | surrounds a magnet that applies a force without actually touching an object |
| electric current | a coil of wire spinning around a object can cause this |
| magnet | an electric current flowing through a wire around a iron core can cause this |
| electromagnet | this can be made when a wire in a electrical circuit is wrapped around a iron core making a magnetic field |
| motor | this changes electricity into mechanical energy |
| generator | this changes mechanical energy into electricity |
| turbine | huge wheels is a generator pushed by wind water or steam |
| repel | like poles in a magnet to do this |
| attract | unlike poles of a magnet to do this |