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21 Cards in this Set
- Front
- Back
Magnet |
any material that attracts iron and materials that contain iron. |
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Magnetic Pole |
Any magnet, no matterwhat its shape, has two of these. |
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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 |
smallest particle of an element that has the propertiesof that element. |
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Element |
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. (0) |
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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. (tiny magnet) |
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Ferromagnetic Material |
A material that shows strong magnetic properties. |
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Temporary Magnet |
Amagnet made from a material that easily loses its magnetism. |
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Permanent Magnet |
tend to stay magnetized.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 |
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 band of colored light that occasionally appears in the night sky near the magnetic poles. |