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Rumsey Weather Ch. 2
Terms covering clouds, winds, and precipitation.
| Question | Answer |
|---|---|
| Winds are by differences in | air pressure |
| Relative humidity is measured with | psychrometer |
| Large clouds that produce thunderstorms | cumulonimbus |
| Any form of water that falls from the clouds | precipitation |
| Wind speed is measured with | anemometer |
| Earth's rotation makes winds seem to curve | Coriolis Effect |
| Bands of high speed winds found near the top of the troposphere that effect weather fronts. | jet streams |
| Flat layers of clouds that cover all or most of the sky | stratus |
| Device used to determine the wind direction | wind vane |
| temperature at which condensation begins | dew point |
| instrument used to measure how hot or cold the air is | thermometer |
| clouds from when water vapor in the air becomes liquid water | condensation |
| clouds that look like fluffy heaps of cotton and bring fair weather. | cumulus |
| open-ended can or tube used to collect rainfall | rain gauge |
| clouds that look like rows of cotton balls and indicate that a storm is on its way | cirrocumulus |
| common type of precipitation | snow,rain, sleet, hail, freezing rain |
| wispy, feather clouds made of ice crystals | cirrus |
| water that condenses onto cold surfaces | dew |
| horizontal movement of air from an area of high pressure to an area of low pressure | wind |
| form when water vapor in the air becomes liquid water or ice crystals | clouds |
| form of energy that is not visible but is felt as heat | infrared radiation |
| this causes sunburn and skin cancer | ultraviolet radiation |
| the process by which gases in the atmosphere hold heat close to the Earth's surface. | greenhouse effect |
| total energy of motion the molecules of a substance | thermal energy |
| a measure of how hot or cold a substance is | temperature |
| the transfer of energy from hot object to a cooler object | heat |
| heat is transferred in three ways | radiation, conduction, and convection |
| direct transfer of heat from a solid to another solid | conduction |
| transfer of heat by the movement of a fluid | convection |
| upward movement of warm air and the downward movement of cool air creates these currents | convection currents |
| these winds play an important part in the weather of the United States. | prevailing westerlies |