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- The Water Cycle
- First, we start with evaporation, caused by the sun causing water to absorb thermal energy, so that it becomes water vapor and rises up into the sky. Once it reaches the sky, it gets colder and colder until it's turned back into liquid water and becomes a cloud. This is called condensation. The water vapor can also condense into ice. This sudden release of thermal energy has been named deposition.
- After a while, when the water becomes too heavy to hold in the cloud, it's released and falls back down to Earth as rain, hail, snow, and sleet. This is called precipitation. Then some of the water that lands on the hills and the mountain fall down it to the bottom, the process of which has been named run-off. But the water that doesn't get pulled down from the mountain by gravity instead turns into ice, and when it's time for it to evaporate again, it skips the liquid state and turns into vapor, a transfer that named sublimation, also seen in dry ice.
- The final part of the water cycle is transpiration. This is when water from plants is released and evaporates into the sky. It isn't really one of the MOST important parts of the cycle.
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