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Science T 6 Review
Water in the Atmosphere
| Question | Answer |
|---|---|
| evaporation | water molecules are heated by the sun and turn to water vapor |
| condenstation | water vapor changes into a liquid water |
| dew point | temperature at which condensation begins |
| relative humidity | percent of water vapor in the air compared to the maximum amount of water the air can hold |
| humidity | a measure of the amount of water vapor in the air |
| psychrometer | a tool used to measure relative humidity |
| precipitation | any form of water that falls from the clouds and reaches the Earth's surface |
| 5 types of precipitation? | rain, hail, sleet, snow, freezing rain |
| snow | when water vapor in converted directly into ice crystals that fall to the ground |
| sleet | raindrops that fall through a layer of air and freeze into solid particles of ice before they hit the ground. |
| freezing rain | raindrops that freeze when they hit cold surfaces |
| hail | pellet of ice that has layers and eventually becomes heavy enough to fall to the ground |
| rain guage | a tool used to measure the amount of rainfall |
| 3 factors that determine weather | air temp, humidity, air pressure |
| Air Mass | huge body of air that has similar temperature, pressure, and humidity |
| Cycylones | counter clockwise swirling wind storms |
| anemometer | tool used to measure wind speed |
Created by:
mrsrooney
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