| A | B |
| Humidity | amount of water vapor in the air |
| Dew Point | the temperature at which air must cool to be saturated |
| Evaporation | process in which water turns to a liquid |
| Condensation | the process in which water vapor turns to a liquid |
| Saturated | full of moisture |
| Cirro | prefix for high clouds |
| Nimbus clouds | dark clouds associated with precipitation |
| Cumulus Clouds | have flat bottoms and often indicate fair weather |
| Strato | prefix for low clouds |
| Stratus Clouds | clouds that cover large areas and form layers |
| Alto | prefix for middle clouds |
| Anemometer | measures wind speed |
| Radar | tracks the location, movement. and amount of precipitation |
| Barometer | measures air pressure |
| Psychrometer | consists of two thermometers |
| thermometer | measures air temperature |