Vapour is a substance that has turned from a liquid into a gas. It is like a cloud of tiny particles of the liquid that are floating in the air.
Vapour can be seen when water boils. The water turns into a gas and rises up into the air.
Vapour can also be seen when we take a hot shower. The water on our skin turns into a gas and makes the air feel humid.
The steam rose from the boiling water.
Noun:
Verb:
The word "vapour" comes from the Old French word "vapor", which also means "a substance in the gaseous state at a temperature below its boiling point".
The first recorded use of the word "vapour" in English was in the 14th century.
Where might you find vapour?
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