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The natural water cycle
The natural water cycle is truly fascinating: the sun heats up the water on Earth... water evaporates (like when pasta water boils) and water vapour condenses to form clouds... water falls back to earth through rain, feeds rivers and seas, and comes down underground, penetrating the ground. It is used by living beings (plants, animals and humans)... and the cycle begins again!
Got it all? It's not that easy! Let's do some experiments to better understand how it works.
Got it all? It's not that easy! Let's do some experiments to better understand how it works.
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