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Water Cycle

The document explains the water cycle, detailing how water exists in all three states of matter and undergoes various phase changes. It describes the processes of evaporation, condensation, precipitation, and transpiration, highlighting the movement of water from oceans, lakes, and land to the atmosphere and back. The document also mentions the role of the Sun in these processes and the significance of snow and ice in the cycle.

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14 views1 page

Water Cycle

The document explains the water cycle, detailing how water exists in all three states of matter and undergoes various phase changes. It describes the processes of evaporation, condensation, precipitation, and transpiration, highlighting the movement of water from oceans, lakes, and land to the atmosphere and back. The document also mentions the role of the Sun in these processes and the significance of snow and ice in the cycle.

Uploaded by

yhunandave
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Pagbilao Academy, Inc.

Pagbilao, Quezon

WATER CYCLE

Water can exist in all three states of matter and can undergo all six phase changes. Because of that,
water can get into a variety of environment around the planet. And the movement of water around Earth’s
surface is known as the hydrologic or water cycle.

How does Water Cycle Occur?

The majority of Earth’s water is located in the ocean. This water can remain for hundreds or
thousands of years. Some of Earth’s water changes from liquid to gas through evaporation as water vapor
due to the energy from the Sun. The energy of the Sun can evaporate water not just from the ocean, it can
also evaporate water from lakes, streams, or puddles in land.
The water vapor that then becomes clouds through condensation. When water turns into water
vapor, it starts to rise into our atmosphere. As it rises, it gradually cools down and condenses in the form of
clouds. When the clouds become too heavy, it will start to precipitate. Precipitation can be in the form of
rain, sleet, hail, or snow. Rain is a liquid precipitation, while sleet, hail, and snow are solid precipitation due
to either freezing or deposition.
Water droplets that fall as rain could be part of streams or lakes, and eventually it will evaporate and
re-enter the atmosphere. Some water may seep into the ground into Earth’s underground water system.
Additionally, plants take up water from the soil and release water vapor into the air through the leaves, this
process is known as transpiration. Snow and ice will start to melt due to the Sun; once melted it will either
be part of streams and lakes, or be absorbed in the soil. However, for the snow that falls on top of
mountains, it can be part of the ice glaciers there. And instead of melting, it can directly change back into
water vapor due to low temperature and low air pressure in the process of sublimation.

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