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The Atmosphere

The Atmosphere. Layers . What’s the atmosphere made of?. Nitrogen - 78.084% Oxygen - 20.95% Argon - .934% CO 2 - .036% Neon - .0018% Helium - .0005% Methane - .00017% Hydrogen - .00005% Nitrous Oxide - .00003% Ozone - .000004%. What are the forms of Radiation?.

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The Atmosphere

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  1. The Atmosphere • Layers

  2. What’s the atmosphere made of? • Nitrogen - 78.084% • Oxygen - 20.95% • Argon - .934% • CO2 - .036% • Neon - .0018% • Helium - .0005% • Methane - .00017% • Hydrogen - .00005% • Nitrous Oxide - .00003% • Ozone - .000004%

  3. What are the forms of Radiation? Which 3 make it through the atmosphere? • radio • microwaves • infrared • visible light • ultraviolet • x - rays • gamma rays

  4. What are the layers of the atmosphere? • Thermosphere • Exosphere • Ionosphere • Mesosphere • Stratosphere • Troposphere

  5. Troposphere • Lowest layer of atmosphere • Almost all weather happens here • Temperature and air pressure decrease with elevation • Heated from below - sun rays enter and heat the earth, heat rises and stirs up the atmosphere • Separated from the stratosphere by the tropopause • Most water vapor and aerosols here

  6. Stratosphere Ozone layer- http://www.youtube.com/watch?v=6QyI3Yo1sf4 • Ozone (O3) layer here - protects from UV rays • Commercial jets and weather balloons • Temperature rises with increase in elevation • Very dry - little water vapor • Chemicals that make it here can stay for long periods of time - chlorofluorocarbons (CFCs) destroy ozone • Stratopause between stratosphere and mesosphere

  7. Mesosphere Odd Lightning (Sprites and Elves) - http://www.youtube.com/watch?v=18CohZfw2DU&playnext=1&list=PL00774C6C78749CA7&feature=results_main • Temperature decreases with elevation - coldest part of atmosphere is at the top of this layer • Least studied layer • Most meteors burn up in this layer • Sprites and Elves found here - rare lightning • Mesopause between mesosphere and troposphere Meteorite hits Russia 2013 - http://www.youtube.com/watch?v=36MEsWC1Pzc

  8. Thermosphere Northern Lights in Finland - http://www.youtube.com/watch?v=Lc3FxNXjBs0 • Temperatures climb sharply to about 1000km (620mi) above Earth • Air so thin that atoms very rarely collide • Space shuttles and the international space station orbit here • Lower portion can be called ionosphere - polar lights happen here • Upper portion can be called exosphere

  9. Travel the atmosphere - http://www.youtube.com/watch?v=qW5xp64AiRs Let’s Draw it!!!

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