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Earth Science
E.S. Chapter 18 Sections 1-3
| water vapor | the source of all condensation and precipitation |
| precipitation | any form of water that falls from a cloud |
| evaporation | the process of changing a liquid to a gas |
| condensation | the change of state from a gas to a liquid |
| clouds and fog | In the atmosphere, condensation generates ______ ___ ___ |
| humidity | the general term for the amount of water vapor in air |
| saturated | the state of air that contains the maximum quantity of water vapor that it can hold at any given temperature and pressure |
| relative humidity | a ratio of the airs actual water-vapor content compared with the amount of water vapor air had that temperature |
| increase; decrease | When the water-vapor content of air remains constant, lowering air temperature causes an ________, in relative humidity, and raising air temperature causes a _________ in relative humidity |
| dew point | The ___ _____ temperature =, or simply the dew point is the temperature to which a parcel of air would need to be cooled to reach saturation |
| hygrometer | A __________ is used to measure relative humidity |
| orographic lifting | mountains acting as barriers to the flow of air, forcing the air to ascend; the air cools adiabatically, and clouds and precipitation |
| front | the boundary between two adjoining air masses having contrasting characteristics |
| convergence | The collision of contrasting air masses forces air to rise. Whenever air in the lower atmosphere flows together, lifting results. This is called ___________ |
| thermals | these rising parcels of warmer air are called ________ |
| temperature inversion | the most stable conditions happen when air temperature actually increases with height |
| cirrus | ______ clouds are high, white, and thin |
| cumulus | _______ clouds consist of rounded individual cloud masses |
| stratus | _______ clouds are the best described as sheets or layers that cover much or all of the sky |
| cumulonimbus | ____________ clouds are much larger and more vertically developed that fair weather cumulus |
| fog | ___ is defined as a cloud with its base at or very near the ground |
| lowest | The type of precipitation that reaches Earth's surface depends on the temperature profile in the ______ few kilometers of the atmosphere |
| 0.5 mm | In meteorology, the term rain means drops of water that can fall from a cloud and have a diameter of at least ______ smaller drops are called a drizzle |
| sleet | the fall of small particles of clear-to-translucent ice |
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VickieJ10
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