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20 Cards in this Set
- Front
- Back
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Compass |
A device that has a magnetized needle that spins freely. |
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Magnetic Declination |
The angle on the horizontal plane between magnetic north of a compass needle points. |
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Magnet |
Any materials that attract iron or contain iron. |
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Magnetic Pole |
Any magnet no matter it's shape has two ends each one called the magnetic pole. |
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Magnetic Force |
The attraction or repulsion between magnetic poles. |
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Magnetic field |
The area of a magnetic force around a magnet. |
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Magnetic Field Lines |
Invisible lines that map out the magnetic field around a magnet. |
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Atom |
The smallest part of an element that has the properties of that element. |
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Element |
One of about 100 basic materials that make up all matter |
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Nucleus |
The center region of an atom. |
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Proton |
A particle that carries a positive charge. |
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Neutron |
A particle that does not carry a charge. |
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Electron |
A particle that carries a negative charge. |
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Magnetic Domain |
A group of atoms that have their magnetic fields aligned. |
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Ferromagnetic Material |
A material that shows strong magnetic properties. |
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Temporary Magnet |
A magnet made from material that easily loses it's magnetism. |
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Permanent Magnet |
A magnet made from material that keeps it's magnetism. |
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Van Allen Belts |
Between 1,000 and 25,000 kilometers above earth's surface are two donut shaped regions called the Van Allen Belts. |
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Solar Wind |
A stream of electrically charged particles flowing at high speeds from the sun. |
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Magnetosphere |
The region of earth's magnetic field shaped by the solar wind. |
