| A | B |
|---|
| air pressure | the force per unit area exerted against a |
| accumulation | ncrease or growth by addition especially when continuous or repeating |
| anemometer | measures wind speed |
| barometer | measures air pressure |
| condensation | The changing of a vapor into a liquid. |
| evaporation | The changing of a substance from a liquid into a vapor. |
| humidity | Measure of the amount of water vapor in a given amount of air at a certain temperature compared to the maximum amount it can hold at that temperature. |
| meteorologist | A person who studies the weather. |
| precipitation | a deposit on the earth of hail, mist, rain, sleet, or snow. |
| rain gauge | an instrument for measuring the quantity of precipitation |
| thermometer | measures air temperature |
| weather balloons | measures weather conditions higher in the |
| wind vane | a movable device attached to an elevated object for showing the direction of the wind |
