| A | B |
|---|
| condensation | water vapor turns to liquid water |
| sublimation | solid turns directly to liquid |
| humidity | amount of water vapor in air |
| dew point | temp at which water vapor condenses |
| psychrometer | tool used to measure humidity |
| cloud | collection of tiny water droplets |
| condensation nuclei | solid in air that water vapor condenses on |
| stratus | gray, blanket-like cloud |
| cumulus | puffy, white cloud |
| cirrus | wispy, high altitude cloud |
| cumulonimbus | thunderstorm cloud |
| fog | cloud forms at ground |
| sleet | frozen rain |
| hail | lump of ice falls to Earth |
