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Transcript of The Hydrosphere
Role of the Hydrosphere in everyday life
Humans and animals use water everyday, for example in showers, toilets, and sinks
We also use it in fun time activities, like swimming pools, water slides, and amusement parks
Water is also required to sustain all forms of life on earth, including people.
The Hydrologic Cycle
How Well do you know the Hydrosphere?
Here are a few quick questions to see how well we taught you the lesson today!
The Hydrosphere is one of the four spheres that make up the Earth's system.
The Hydrosphere contains all water on or around Earth.
97% percent of the hydrosphere consists of the earth’s saltwater oceans.
3% of the earth’s water is fresh water, found in lakes, rivers, streams, and ground water
75% of the fresh water is frozen in polar ice caps and snow sheets
What is the Hydrosphere
is always intersecting
with other spheres.
Whether it is humans
drinking water in the biosphere.
Water vaporizes into
Water moistening the soil in the lithosphere.
1.) Does the hydrosphere interact with only the biosphere, if so give an example or do you think all the spheres, if you think all the spheres then could you provide an example for each one?
2.) How much of the Earth is made up of water? Also where is all the water found?
3.) Does the hydrosphere only contain liquids or does it also contain solids, and gasses? Can you give examples of each form if in fact it is found in all form?
4) How does water impact the earth? How does temperatures affect water and life forms around it?
Answer to Question 1
The hydrosphere interacts with all spheres. It interacts with the Biosphere, because all living things require water to survive. The Hydrosphere interacts with the Atmosphere because water vapor is constantly in the Atmosphere. The Hydrosphere interacts with the Lithosphere because there is water, and moisture in the ground, and soil.
Answer to Question 2
About 70% of the earth’s surface is consists of water. 97% of that 70% is salt water, oceans. The other 2.5% is made up of fresh water sources. 0.5% is water vapor in the air.
Answer to Question 4
All living beings need water to survive. People and animals have built their homes and civilizations around water sources since the beginning of time. Areas super-close or super-far away from the equator have extreme temperatures, affecting the states and amounts of water in those areas. Also, areas like the desert, with extremely high temperatures, have less water, since it evaporates so quickly. Places with extremely low temperatures have more water, since it freezes, forming ice sheets. In both places life forms are limited, since water is so limited.
Answer to Question 3
Yes, the hydrosphere contains all forms of water. Water is found in its liquid state in all the oceans all over the world. Water is found in its gas form in the air, water vapor. Also frozen stretches of water are water in its solid state.
Do y'all have any questions?
By Leyla, Alex and Kevin.
Why Do We Care?
The Hydrosphere supports, and sustains all life forms on earth
Pollution of water can kill many animals or affect their living environment.
There are many reactions between the lithosphere and hydrosphere that have negative outcomes.
>For example, due to American's love of bananas, in Costa Rica where bananas are most commonly grown, they use many harmful pesticides
> These pesticides harm water and animals in the surrounding area.
>When it rains pesticides wash off the bananas and enter soil, plants intake these pesticides through the soil, animals eat the plants, and eventually they harm all of the spheres.
The hydrologic cycle is a concept that describes the movement of water between the biosphere, lithosphere, and atmosphere