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When the Sun warms the water on the Earth's surface, it evaporates converting itself into water vapor or steam.

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It begins a journey flying into the sky up towards the atmosphere.

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This stage of the journey is known as evaporation.

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When water converts in vapor, it races towards the atmosphere, then falls down transforming itself into clouds.

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This second stage is known as condensation.

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The clouds continue the journey by being blown by the wind, traveling from one place to another.

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Clouds are little drops of water suspended in the air.

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But when the clouds grow, they collect more and more water.

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These little drops then crash into each other and become bigger drops of water.

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Then, at some point, they will end up falling to the ground in the form of rain or even snow.

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This stage of the water cycle is called precipitation.

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The water that falls may land in rivers or even on the ground to then seep through to subterranean caves of water.

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All this water must continue its journey until it reaches the sea.

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Then, all the process will begin again.

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Evaporation, condensation, precipitation.

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That is why it is called the water cycle.