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Chapter 16&17 Vocab
Vocabulary
| Question | Answer |
|---|---|
| this is the average weather conditions in an area over a long-period of time | climate |
| the change of state from a gas to a liquid | condensation |
| the boundary between air masses of different densities & usually different temperatures | front |
| an instrument that measures atmospheric pressure | barometer |
| a usually brief, heavy storm that consists of rain, strong winds, lightning,& thunder | thunderstorm |
| the short-term state of the atmosphere, including temperature, humidity, precipitation, wind,& visibility | weather |
| the amount of water vapor in the air | humidity |
| a large body of air where temp. & moisture content are constant throughout | air mass |
| winds that blow mainly from one direction during a given period | prevailing winds |
| the height of an object above sea level | elevation |
| any form of water that falls to Earth's surface from clouds | precipitation |
| an area in the atmosphere that has lower pressure than the surrounding areas & has winds that spiral toward the center | cyclone |
| a serve storm that develops over tropical oceans & whose strong winds of more than 120km/h spiral toward the intensely low pressure storm center | hurricane |
| an instrument used to measure wind speed | anemometer |
| the distance north or south from the equator | latitude |
| the ratio of the amount of water vapor in the air to the about of water vapor needed to reach saturation at a given temperature | relative humidity |
| the rotation of air around a high pressure center in the direction opposite to Earth's rotation | anticyclone |
| a destructive, rotating column of air that has very high wind speeds, is visible as a funnel-shaped cloud,& touches the ground | tornado |
| an instrument that measures & indicates temperature | thermometer |
| a horizontal movement of ocean water that caused by wind & that occurs at or near the ocean's surface | surface current |
| a collection of small water droplets or ice crystals suspend in the air, which forms when the air is cooled & condensation occurs | cloud |
| an electric discharge that takes place between two oppositely charged surfaces, such as between a cloud & the ground, between two clouds, or between two parts of the same cloud | lightning |
| the sound caused by the rapid expansion or air along an electrical strike | thunder |
| a large region characterized by a specific type of climate & certain types of plant & animal communities | biome |
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EmCat
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