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Magnetism
Chapter 7 Vocabulary
Term | Definition |
---|---|
magnet | any material that attracts iron and materials that contain iron |
magnetism | the force of attraction or repulsion of magnetic materials |
magnetic pole | *the ends of a magnetic object *where the magnetic force is strongest |
magnetic force | a force produced when magnetic poles interact |
magnetic field | the region around a magnet where the magnetic force is exerted |
compass | *a device with a magnetized needle that can spin freely *a compass needle always points north |
electromagnetism | the relationship between electricity and magnetism |
electromagnet | a magnet created by wrapping a coil of wire with a current running through it around a core of material that is easily magnetized |