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21 Cards in this Set
- Front
- Back
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• magnet |
is any material that attracts iron and materials that contain iron. |
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• magnetic pole |
Any magnet, no matter what its shape, has two ends, each one |
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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 |
are invisible lines that map out the magneticfield around a magnet |
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atom |
smallest particle of an element that has the properties of that current element |
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element |
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 |
particle that carries a positive charge. |
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electron |
particle that carries a negative charge |
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magnetic domain |
grouping of atoms that have their magnetic fields that are arranged in a straight line |
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ferromagnetic material |
material that shows strong magnetic properties |
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temporary magnet. |
magnet made from a material that easily loses its magnetism |
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permanent magnet. |
A magnet made from a material that keeps its magnetism forever |
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neutron |
particle that does not carry a charge. |
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compass |
device that has a magnetized needle that spins freely |
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magnetic declination |
angle between these two lines is the angle between geographic north and the north to which a compass needle point |
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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 |
stream of electrically charged particles flowing at high speeds from the sun. |
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magnetosphere |
region of Earth’s magnetic field shaped by the solar wind |
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aurora. |
A glowing region in the atmosphere caused by charged particles from the sun |
