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The Geosphere

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by

Marleny cordova

on 8 January 2013

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Transcript of The Geosphere

1.its important not only to know everything thats on earth but everything that makes earth.
2.You should know what makes up earth. Like the crust,mantle,core etc.
3.You should know what allows you to breath, to live etc.
4.you should just study to know more about the place you live on EARTH. Reasons to study the interior & exterior of earth. How does the Geosphere affect other earth spheres? 1.People (biosphere) built a dam out of rock materials (geosphere).

2.Water in the lake (hydrosphere) seeps into the cliff walls behind the dam, becoming groundwater (geosphere), or evaporating into the air (atmosphere).

3.Humans (biosphere) harness energy from the water (hydrosphere) by having it spin turbines (geosphere) to produce electricity.

4.Plants (biosphere) draw water (hydrosphere) and nutrients from the soil (geosphere) and release water vapor into the atmosphere.

how does the Geosphere interact with the hydrosphere? How does the Geosphere interact with the cryosphere? Link to learn more about earth & geology:
http://www.kidinfo.com/science/geology.html The hydrosphere has everything to do with water rain, clouds, rivers, lakes, etc.). The Geosphere is the solid Earth(ground). As the water falls in the mountains it causes erosion and removes bits of the solid geosphere, those particles travel down the hydrosphere's system (rivers) until it eventually gets deposited at a new location (ocean). So they interact by the erosion and re-distribution of the geosphere. Snow and ice in the cryosphere reflect much of the solar radiation they receive. Without them, geosphere would become hotter. Crust:The thinnest layer,only about 3-5 miles (8 kilometers) thick under the oceanic crust and about 25 miles (32 kilometers) thick under the continental crust. The temperatures of the crust vary from air temperature on top to about 1600 degrees Fahrenheit (870 degrees Celcius) in the deepest parts of the crust. Mantle:Its the layer under the crust &above the outer core.1800 miles thick. The mantle is composed of very hot, dense rock. This layer of rock even flows like asphalt under a heavy weight. This flow is due to great temperature differences from the bottom to the top of the mantle. The movement of the mantle is the reason that the plates of the Earth move. the mantles temp. varies from 1600 degrees Fahrenheit at the top to about 4000 degrees Fahrenheit near the bottom. Outer core:The outer core is so hot that the metals in it are all in the liquid state. The outer core is located about 1800 milesbeneath the crust and is about 1400 miles thick. composed of the melted metals nickel and iron. & its temp.4000 degrees F. to 9000 degrees F. Inner core:The inner core of the Earth has temp. and pressures so great that the metals are squeezed together and are not able to move about like a liquid, but are forced to vibrate in place as a solid.begins about 4000 miles beneath the crust and is about 800 miles thick temperatures may reach 9000 dgrees F. and the pressures are 45,000,000 pounds per square inch
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