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Layers of the Atmosphere Layers of the Atmosphere Scientists

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									Layers of the Atmosphere

   I.      Layers of the Atmosphere
           A. Scientists divide the atmosphere into _________ main layers.
           B. The layers are:
               1.
               2.
               3.
               4.

           C. The Troposhere

              1. The lowest level

              2. Tropo means ______________

              3. Conditions in the troposphere are _____________________.

              4. This is the layer where Earth’s _____________occurs.

              5. Depth from ____________to _____________

              6. Shallowest layer but contains the most _____________

              7. For every 1 kilometer increase in altitude air gets ___________degrees ___________

              8.Temperature at top of troposhere is ____________

              9. At top water forms ___________________

           D. The Stratosphere

              1. Extends from top of troposphere to ________________________ above Earth’s
              surface

              2. Second layer and contains the __________________layer

              3. The upper stratosphere is ___________ than the lower stratosphere

              4. Ozone layer found in the _________________of the stratosphere

              5. The ozone layer ____________________________________________

           E. The Mesophere

              1. Meso means _________________

              2. The mesosphere begins _______________________ and ends
              _____________________.
 3. Temperatures approach _______________

 4. The mesosphere is the layer of the atmosphere that ___________________

 ___________________________________________________________________

 5. Meteoriods are _________________________

F. The Thermosphere

 1. Located ______________________________________

 2. The thermosphere has no definite ____________________________

 3. Thermo means ________________

 4. Temperature in the thermosphere is __________________

 5. Even though the temperature is high you would feel cold because ___________

 __________________________________________________________________

 6. Two layers of the thermosphere

        a.

             1. Begins about __________________ and extends to ________________

             2. Energy from the Sun causes gas molecules to become particles called
             _______________

             3. ________________________ are caused by particles from the Sun that
             enter the ionosphere near the poles.

        b.

             1. Extends from ____________________________________________

								
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