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The Atmosphere

The Atmosphere. Outcomes: 4.9.4 & 4.9.5. Gasses in the Atmosphere. a) identify gases that comprise the greater percentage of air and explain the difference between Earth’s atmosphere and space . Gasses in the Atmosphere.

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The Atmosphere

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  1. The Atmosphere Outcomes: 4.9.4 & 4.9.5

  2. Gasses in the Atmosphere • a) identify gases that comprise the greater percentage of air and explain the difference between Earth’s atmosphere and space

  3. Gasses in the Atmosphere • The atmosphere is a layer of gasses surrounding earth that is held in place by gravity! With out it, earth would be unable to sustain life. The atmosphere is made up of many different layers! Here’s a short video to put everything into perspective!

  4. Gasses in the Atmosphere

  5. Time to think! • Can you figure out where the atmosphere becomes space?Hint:==========

  6. Did you get tricked? • Did you say that the atmosphere becomes space in the thermosphere?Sorry to inform you but you are mistaken!Don’t be fooled by the presence of the space station in this layer, because it isn't actually space!Space actually starts after the exosphere. • The Earth's atmosphere contains of elements like nitrogen and oxygen. Space is a vacuum. The earth's atmosphere acts as a barrier to space and is required to maintain life on earth.

  7. Importance of the atmosphere • Atmospheric gasses are important to sustain life on earth because it forms a protective layer to shield the earth from full exposure to the suns uv rays, and to also provide earths organisms with oxygen which is a main requirement for the majority of earths organisms.

  8. Hydrosphere

  9. Hydrosphere • The hydrosphere, often referred to as the watersphere, is key to life on earth because it provides the most important fluid for life, known to man… Water.The hydrosphere contains five different processes where water is moved around the planet. These processes are: • Evaporation • Condensation • Advection • Transpiration • Precipitation

  10. Evaporation • Is where earth water is vaporized into a gas and is “sucked up” high into the earth atmosphere where it condenses.

  11. Condensation • This process is where the vaporized water if cooled to a point where it changes state or “condenses” back into a liquid and is congealed into clouds.

  12. Advection • is the movement of clouds and inadvertently water around the earth atmosphere.

  13. Transpiration • is when trees and plants transpire (equivalent to sweating) and then is evaporated into the atmosphere.

  14. Precipitation • is where the earth air becomes so saturated with water from evaporation where it cannot hold the water in the form of clouds, so it falls as rain, hail, snow or sleet which is gathered in water bodies and consumed by life where evaporation takes place, thus an endless cycle!

  15. Hydrosphere interactive • Follow the steps and go through this site chronologically if you have further trouble, this is also great for students to revise and relearn:http://www.kidsgeo.com/geography-for-kids/0132-water-is-important-to-lifer.php

  16. Bibliography • http://go.owu.edu/~jbkrygie/krygier_html/geog_111/geog_111_lo/geog_111_lo16_gr/hydrocycle.jpg • http://en.wikipedia.org/wiki/File:1000px-Atmosphere_layers-en.PNG • http://www.agci.org/classroom/images/Atm_Composition.png • http://www.youtube.com/watch?v=AkaY1dvZer4

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