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21 Cards in this Set
- Front
- Back
Magnet |
- Any materialthat attracts iron and materials that contain iron. |
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Magnetic Pole |
- Any magnet, no matterwhat its shape, and has two ends. |
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Magnetic Force |
- The attraction or repulsion between magneticpoles. |
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Magnetic Field |
- The area of magnetic force around a magnet. |
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Magnetic Field Lines |
- Invisible lines that map out the magneticfield around a magnet. |
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Atom |
- The smallest particle of an element that has the propertiesof that element. |
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Element |
- Is one of about 100 basicmaterials that make up all matter. |
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Nucleus |
- The center region of an atom. |
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Proton |
- A particle that carriesa positive charge. |
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Neutron |
- A particle that does notcarry a charge. |
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Electron |
- A particlethat carries a negative charge. |
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Magnetic Domain |
- A grouping of atoms that havetheir magnetic fields aligned. |
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Ferromagnetic Material |
- A material that shows strong magneticproperties. |
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Temporary Magnet |
- Amagnet made from a material that easily loses its magnetism. |
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Permanent magnet |
- A magnet made from a material that keeps its magnetismfor a long time. |
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Compass |
- A device that has a magnetized needle that spinsfreely. |
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Magnetic Declination |
- Theangle between these two lines is the angle between geographicnorth and the north to which a compass needle points |
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Van Allen Belts |
- Between 1,000 and 25,000 kilometers above Earth’s surfaceare two doughnut-shaped regions. |
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Solar Wind |
- Is a stream ofelectrically charged particles flowing at high speeds from thesun. |
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Magnetosphere |
- The region ofEarth’s magnetic field shaped by the solar wind. |
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Aurora |
- A glowing region in the atmospherecaused by charged particles from the sun. |