Layers of the Atmosphere. Starter: Make a list of words or phrases that you think of when you hear...
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Transcript of Layers of the Atmosphere. Starter: Make a list of words or phrases that you think of when you hear...
![Page 1: Layers of the Atmosphere. Starter: Make a list of words or phrases that you think of when you hear the word “weather”.](https://reader036.fdocuments.us/reader036/viewer/2022070409/56649e7a5503460f94b7a2f8/html5/thumbnails/1.jpg)
Layers of the Atmosphere
![Page 2: Layers of the Atmosphere. Starter: Make a list of words or phrases that you think of when you hear the word “weather”.](https://reader036.fdocuments.us/reader036/viewer/2022070409/56649e7a5503460f94b7a2f8/html5/thumbnails/2.jpg)
Starter:
•Make a list of words or phrases that you think of when you hear the word “weather”.
![Page 3: Layers of the Atmosphere. Starter: Make a list of words or phrases that you think of when you hear the word “weather”.](https://reader036.fdocuments.us/reader036/viewer/2022070409/56649e7a5503460f94b7a2f8/html5/thumbnails/3.jpg)
Meteorology Unit PageAfter the test create the next unit page on page 19 in your notebook. Picture on top half and vocabulary on the bottom half.
1. Atmosphere 2. Ozone 3. Air Mass 4. High Pressure System5. Low Pressure System6. Fronts7. Weather 8. Relative Humidity 9. Dew Point
10. Cyclonic Storm 11. Precipitation 12. Satellites 13. Station Model 14. Altitude 15. Hurricane 16. Celsius
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Atmosphere• The atmosphere is
the blanket of gases that surrounds the Earth
• The atmosphere contains about:▫78% Nitrogen▫21% Oxygen▫1% other gases
such as Argon, Carbon Dioxide, and Water Vapor
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Ozone• Ozone is formed by
the addition of a third oxygen atom to an oxygen molecule
• Protects us from UV Radiation▫CFC’s can deplete
ozone
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Atmosphere
•The atmosphere is divided up into 4 different layers:▫Troposphere▫Stratosphere▫Mesosphere▫Thermosphere
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![Page 8: Layers of the Atmosphere. Starter: Make a list of words or phrases that you think of when you hear the word “weather”.](https://reader036.fdocuments.us/reader036/viewer/2022070409/56649e7a5503460f94b7a2f8/html5/thumbnails/8.jpg)
Troposphere
•The Troposphere is the layer closest to Earth▫Contains most of the mass of the
atmosphere▫Most weather takes place in the
troposphere▫Temperature decreases▫The boundary marking the end of the
troposphere is called the tropopause
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Stratosphere
•Above the tropopause is the Stratosphere▫Made up of ozone▫Due to the absorption of radiation
temperature in the Stratosphere generally increases
▫Stratopause
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Mesosphere
•The Mesosphere lies above the stratopause▫Due to a lack of ozone temperature
generally decreases with increasing altitude
▫The Mesopause marks the boundary of the Mesosphere
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Thermosphere
•The thermosphere contains a very small amount of the atmosphere’s mass but a great deal of it’s volume▫Temperatures can reach 1000 degrees
Celsius▫Contained within the Thermosphere is the
ionosphere which is an area made up of electrically charged particles and lighter gases
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Radiation
• Radiation-Transfer of energy through space by electromagnetic waves
• Some energy is absorbed by the Earth some is bounced back into space▫35 % of incoming energy is reflected back into
space▫15 % is absorbed by the atmosphere▫50 % is absorbed by Earth’s surface
• The energy that is absorbed by the Earth is then given off back into the atmosphere
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