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Layers and density

Layers and density. http://science.howstuffworks.com/nature/climate-weather/atmospheric/weather3.htm. http://www.obspm.fr/actual/nouvelle/nov05/titan.en.shtml. Bolide falling to earth. Lake effect snow over the Great Lakes. Topic: Weather I . The atmosphere .

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Layers and density

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  1. Layers and density http://science.howstuffworks.com/nature/climate-weather/atmospheric/weather3.htm http://www.obspm.fr/actual/nouvelle/nov05/titan.en.shtml Topic: weather

  2. Bolide falling to earth Topic: weather

  3. Lake effect snow over the Great Lakes Topic: weather

  4. Topic: WeatherI. The atmosphere • A. The atmosphere is the ocean of gases,held in by gravity, that surrounds our planet. It is a mixtureof gases. • Page 14 ESRT has a graph of the characteristics that change with altitude. • Page 1 shows us that the lowest level, called the troposphere, is primarily nitrogen and oxygen. • Water vapor is found ALMOST only in the troposphere, which is where ‘weather’ occurs. Topic: weather

  5. B. Using p. 14 of the ESRT, notice the following: • the atmosphere is divided according to the way in which termperature changes with altitude. • Atmospheric pressure steadily decreaseswith altitude. The greatest pressure is at sea level, due to the weight of overlying molecules. • Water vapor concentrations are greatest at sea level, and almost nonexistent above the tropopause. Topic: weather

  6. C. The levelsof the atmosphere. • The tropospherehas the greatest concentration of water vapor and the greatest pressure. • The stratosphere contains ozone, which absorbs ultraviolet(uv) rays, causing it to warm with increases in altitude. • Ozone is a form of oxygen, O3 very different than breathable oxygen,O2. • ultravioletlight is a form of very powerful electromagnetic energy. Topic: weather

  7. D. Practice • What is the temperature range of each of the layers? • What is the altitude of the tropopause? • In what layer is the air pressure about 0.2 atm? • What is the pressure at sea level? • What is the temperature at a height of 25 miles? • What level controls incoming ultraviolet light? Topic: weather

  8. Topic: weather

  9. Classzone.com for weather for the atmosphere go to: http://www.classzone.com/books/earth_science/terc/content/investigations/es1702/es1702page01.cfm https://castlelearning.com/review/login/login.aspxfor atmosphere questions Topic: weather

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