Water is continually moving around the Earth.
This causes the water cycle.
The water cycle begins when water from the oceans, lakes and rivers heats up and evaporates to form water vapour.
Water vapour passes into the cold atmosphere.
The cold temperature makes the water vapour cool down and condense.
Condensed water in the atmosphere turns into tiny water droplets and forms clouds.
Clouds move across the sky with the wind.
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| Photo from: "Banco de recursos del ITE" |
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