evaporation
Evaporation is what puts the vapour into the atmosphere, but once it's there
it's called cloud, and I bet you knew that!
How about "humidity" ?
'Vapor' is invisible. Cloud is actually liquid and no longer vapor.
The gas form of water is called steam or water vapor.
Evaporation is driven by heat. In warmer weather, more water will evaporate. In colder weather, more water will condense and return to a liquid phase.
Its not, steam and water vapor, both gaseous forms of water, are invisible. Water on earth's surface, below it's surface, or in its atmosphere is only visible in the form of liquid or ice. Its possible that under pressure conditions elsewhere in the universe that gaseous water could be visible.
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When the lenses are cooler than the surrounding air, the water vapor in the air may condense on the lenses, just as the water vapor in your breath condenses into steam when you exhale in very cold air.
Water existing in gaseous form makes up the water found int the atmosphere and this is called Water-vapor.
There are a number of names for condensed water vapor in the atmosphere: Mist, fog, clouds, rain, sleet, snow, hail are names for some of the types of condensed water vapor.
The % of water vapor is called Humidity. The attached link will give you more information.
evaporation
It is called Transpiration.
It is called the greenhouse effect.
Its called ''condensation''
Above the surface of liquid water is a layer of water vapor. It has pressure. The atmosphere also has pressure. It pushes against the water vapor. The water vapor pushes against the atmosphere. It is called vapor pressure. It is related to temperature. When the vapor pressure equals barometric pressure, water boils. Normally this occurs at 100C or 212F. If you reduce the barometric pressure, you can reduce the boiling point of water. So when the barometric pressure is lower, the water vapor above the water has an easier time mixing with the atmosphere. As it mixes with the atmosphere, it is replaced by vapor from the water. It evaporates.
vapor
The amount of water vapor in the atmosphere varies from place to place. Humidity is the term used to describe the amount of water vapor in the atmosphere.
This process is called Evaporation.
Solid is snow; liquid is rain and gas is water vapor