| A | B |
|---|
| water vapor | the gas state of water |
| evaporate | to change from a liquid to a gas |
| cloud | tiny droplets of waterm usually high in the air |
| condensation | the process by which water vapor changes into liquid water, usually on a surface |
| dew | water that condenses on surfaces when the temperature drops at night |
| fog | water droplets that condense from the air close to the ground |
| frost | frozen condensation |
| humidity | water vapor in the air |
| saturated | when the air cannot hold any more water vapor |
| surface area | the amount of space covering the topmost layer of water or land |
