Earth Science Vocab.
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Created by:
rebeccaldeputy on January 6, 2011
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14 terms
Terms | Definitions |
|---|---|
 polar easterlies | cold, but weak winds between 50 degrees and 60 degrees (not constant) |
| doldrums | calm, surface winds at the equator |
| westerlies | belt of very strong winds between 40 degrees and 60 degrees |
| sea breeze | flow of cool air from water to land during the day |
| land breeze | flow of cool air from land to water during the night |
| anemometer | instrument used to measure wind speed |
| air pressure | pressure that air exerts on Earth |
| barometer | instrument used to measure air pressure |
| isobars | lines that join points on a map, having the same air pressure |
| cyclones | when pressure decreases toward center and winds blow inward and clockwise (N. Hemisphere) |
| anti-cyclones | when pressure increases toward center and winds blow outward and clockwise (N. Hemisphere) |
| wind | the movement of air due to changes of temperature in the Earth's atmosphere |
| Coriolis Effect | deflection of wind and ocean currents caused by Earth's rotation |
| jet stream | narrow belt of strong high speed air |
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