Explore how the water cycle moves water and energy around our planet, shaping clouds, rainfall and climates from tropical rainforests to frozen polar regions.
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You can find more about this topic by visiting BBC Bitesize - The water cycle and river terminology
The hot air rises as a convection current. As it does, it cools. The water vapour it contains condenses and can fall as rain
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Condensation is the term that is used to describe a change of state from vapour to liquid
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There is a large surface area from which water is constantly evaporating
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Liquids including water evaporate faster when they are warmer
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The gentler the slope the longer the water has to soak in rather than move over the surface
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Water vapour (gas) changes to water droplets
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That is where most of the water vapour in the atmosphere comes from in the first place
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Water is pumped up through boreholes and desalination plants remove salt from seawater
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A tornado is a rapidly moving spiral of air
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The water can then evaporate from the leaves and go back into the atmosphere. This is one reason that rainforests have a high humidity
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