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| Is a material that produces a magnetic field |
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| The magnetic field of a magnet is created by the? |
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| Magnetic fields have directions defined as? |
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| The direction of a magnetic field is defined as? |
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| The direction that the North pole of a compass would point when placed in the field |
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| Locations where this field eneters a material and are the strongest magnetic points. |
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| An object that has a magnetic pole at each end with opposite directions. |
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| Every magnet has atleast one ___ ____ and one ___ ____? |
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| Emerge from the pole of a magnet and enter the south pole. Arrows always points from north to south. |
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| These magnets are permanient in the sense that once they have been magnetized they retain a certain degree of magnetism, Such as common refridgerater magnets. |
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| Materials that act like magnets in the presence of a strong magnetic field. |
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| The magnetism in electromagnets is generated by a current running through the magnet that can be turned on and off at will. |
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| In ancient times,Both Greeks and Chinese knew about natural magnets rare chunks of iron-rich mineral known as? |
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| A ____ _____ is a lightweight magnet on a frictionless pivot or swivel, The magnet is generally called a ____? |
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| Materialsare those that show spontaneous magnetization, If these materials are brought closer to a magnet they will be strongly attracted towards it, regardless of orientation |
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| Materials are slightly repelled by a magnetic and the material does not retain the magnet properties when the external field is removed |
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| materials are slightly attracted by a magnetic and the material does not retain the magnet properties when the external field is removed |
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| A moving electric charge creates a magnet field, A fundamental property of magnetic fields is that they exert forces on moving electrical charges known as? |
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| The SI unit of the strength of the magnet field is? |
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| Charges moving in a magnetic field create an electric field. |
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| Electromagnetic induction |
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| States that any charge in the magnetic environment of a coil of wire. By who? |
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| Faraday's law, Micheal Faraday |
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| The earth produces a large magnetic field extends thousands of kilometers outward into space. |
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| Two regions of particularly high consentration of charged particles is called? |
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Definition
| Van Allen radiation belts |
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