RCT Prep Chp 5 Parts III, IV, V and VI
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Created by:
conciatori on May 28, 2009
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29 terms
Terms | Definitions |
|---|---|
 Radiation | Form of energy from the sun that reaches the earth |
| Winds | Air currents that move across the earth's surface |
| Prevailing Winds | Wind that always blow in the same patterns |
| Wind Belts | Patterns made by the prevailing winds |
| Doldrums | When there is very little air moving, calmness |
| Trade Winds | Winds moving south |
| Prevailing Westerlies | Winds moving north |
| Polar Easterlies | Winds moving back towards the equator |
| Evaporates | Water enters the atmosphere |
| Water Vapor | Water in a gaseous state |
| Condensing | When water vapor turns into water droplets |
| Dew Point | The temperature at which the water vapor starts condensing into water drops |
| Fog | Is a cloud that forms right next to the ground |
| Dew | Forms when warm air comes in contact with a coll surface |
| Frost | Water vapor condenses right into frozen ice crystals |
| Precipation | Any kind of condensed water that falls from the sky. ie: rain, sleet, snow and hail |
| Water Cycle | The continuous movement of water between the earth's surface and the atmosphere |
| Thunderstorm | A local storm |
| Lighening | Always accompanies thunderstorms and iis a huge electrical discharge |
| Tornadoes | Are violent circular winds associated with severe thunderstorms |
| Hurricanes | Giganic whirling storms with high winds, torrential rains, and storm surges capable of causing wide-spread flooding and destruction |
| Climate | Changes of air conditions at a particular place over a long period of time |
| Latitude | A measure of how far to the north or south pf the equator the place is |
| Altitude | The height of a place above sea level |
| Temperate | Climate that has warm summers and cold winters |
| Air | Is a mixture of gases; 78% nitrogen, 21% oxygen, .03% carbon dioxide and trace other gases |
| Natural Contaminents | Are substances added to the air by such natural happenings as volcanic erruptions, forest fires, dust and pollen |
| Air Pollutants | Are substances added to the air by human activity, such as undesirable gases, ligids and solid materials |
| Inversion | Occurs when the surface air is cooler than the layer above it, so the air cannot rise and the pollutants may accumulate |
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