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Water vapor is a gas.
When water vapor loses energy it "turns" into a liquid
Evaporation is the proccess of water turning into vapor.
The presence of water vapor due to faulty seals is what causes double pane windows to sweat. Double window panes sweat because sunlight causes the gas inside to expand which stresses the seal and allows water vapor inside.
I think you are looking for "condensation", however this process is not specific to water vapor but applies to any type of vapor.
when water vapor escapes from a leaf, it is called transpiration.
when water vapor escapes from a leaf, it is called transpiration.
evapotranspiration
Osmosis
Transpiration
Transpiration
They are formed from water vapor in the air
The opening and closing of the Stomata allows for water vapor and other gases to come into or out of leave.
Stomata
They are called guard cells. They control how much carbon dioxide and water is entering the plant.
The process I think you're speaking of is transpiration. If you can physically see water droplets on the leaf you could also be witnessing guttation, though, this depends on whether you are viewing this during the day or night. If it is indeed guttation, not transpiration, you would be able to see what looks like water droplets on the leaf surface.
osmosis