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ch. 17 weather
weather
| Question | Answer |
|---|---|
| what is weather? | the state of the atmosphere at a specific time and place |
| what is humidity? | the amount of water vapor presnet in the air |
| what is relative humidity? | a measure of the amount of water vapor present in the air compared to the amount needed for saturation at a specific temerarture. |
| _____ changes with the amount of water vapor in the air. | dew point |
| when air is cooled to its dew point near the ground, it forms a stratus cloud called______. | fog |
| what is precipitation? | water falling from clouds |
| what are the forms of precipitation? | rain,sleet,snow,and hail |
| what is a air mass? | an air mass is a large body of air |
| what is a front? | a boundry between 2 air masses |
| what is a tornado | a voiolenty roating columm of air in contact with the ground |