Earth's Water

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Last updated 5 years ago

Discipline:
Science
Subject:
Earth Sciences
Grade:
5

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Earth's Water

97% is salt water

Lakes and Rivers

The Atmospere

Glaciers and Ice Caps

Salt Water

The Ground

only 3% is fresh water

Earth's Water

Earth's Waterby Tiffany Lan

About two-thirds of Earth's fresh water is frozen in glaciers and ice caps. Glaciers are huge masses of ice and snow. Ice caps are thick ice layers that covers a large area. The water here is not available for use.

Lakes, rivers, ponds and lakes have very little water of Earth's fresh water. The water here is called surface water. the water in ponds and lakes doesn't flow. However, the water in streams and rivers flow.

Fresh water can be found in the ground. There is more water under the ground that there is in rivers and lakes. Soil and some rock layers have many small cracks. Water from rain and snow seep into these spaces. This water supply is very important to many communities and families. Much of the water we use starts out as groundwater.

Salt water is formed when water goes through land and washes out minerals. Most salt water has sodium cloride. Salinty is how you measure how salty water is. Most of the salt water are in the five oceans. A few lakes also have salt water such as the Great salt lake in Utah.

The water from the five oceans form a huge world ocean. Seas are smaller parts of oceans

bays and gulfs are areas of an ocean that is partly bordered by land

Some of Earths fresh water is water vapor in the atmospere. Water can also be in liquid or solid form. Clouds are cluster of liquid water droplets. Water vapor and clouds are mostly in the troposphere.

The Great Salt Lake of Utah

Fresh Water

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EvaporationThe energy from the sun causes water to evaporate. water from oceans, rivers, lakes, and soil evaporate into the air. The process of transpiration is when water from plants evaporate.

CondensationCondensation is the process of a gas to change into a liquid. Water vapor condenses on tiny dusr particlesin the air. The water droplets are tiny enough to stay in the air. When many billions of these droplets group together, a cloud is formed.

PrecipatationAs more and more water droplets join together, and the more water droplets join the cloud, the heavier the cloud becomes. When the water droplets are heavy enough, they fall back to the earth. The water can fall as rain, snow, sleet or hail. These are all different types of precipatation,prcipatation is water in any form that fall from the atmospere to Earth.

The Water Cycle


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