Fog and clouds are a form of water vapor that can be seen.
I could see water vapor escaping from the boiling pot.
in the water circle water vapor is exhorted.
The vapor rising from the hot cup of tea was visible in the cool morning air.
A line of vapor through the trees marks the flow of a stream
Heat is used to convert water to vapor.
warm
ice can be turned into Vapor. You just have to make the pressure low.
Vapor is a noun. So you use it like a noun. Example: "Water vapors crept out of my antique humidifier."
The conversion of matter is common in water. It goes from ice to water and then to vapor.
You mean vapor?
vapor is steaming out of the pot
water vapor