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Unit 7 lessons 456
| Term | Definition |
|---|---|
| Magnet | any material that attracts iron or materials containing iron |
| Magnetic Force | the force of attraction or repulsion generated by moving or spinning electric charges |
| Magnetic Pole | one of two points, such as the ends of a magnet, that have opposing magnetic qualities |
| Magnetic Field | a region where a magnetic force can be detected |
| Electromagnetism | the interaction between electricity and magnetism |
| Solenoid | a coil of wire with an electric current in it |
| Electromagnet | a coil that has a soft iron core and acts as a magnet when an electric current is in the coil |
| Electric Motor | a device that converts electrical energy into mechanical energy |
| Electromagnetic Induction | the process of creating a current in a circuit by changing a magnetic field |
| Transformer | a device that increases or decreases the voltage of alternating current |
| Electric Generator | a devide that converts mechanical energy into electrical energy |
| Kinetic Energy | the energy of an object that is due to the object's motion |
| Potential Energy | the enrgy that an object has because of the position, condition, or chemical composition of the object |
| Mechanical Energy | the sum of an object's kinetic energy and potential energy due to gravity or elastic deformation; does not include chemical energy or nuclear energy |
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jg.18589
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