Layers

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the main layers of our atmosphere

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Layers

  1. 1. Layers of the Atmosphere
  2. 2. There are 4 Main Layers of the Atmosphere <ul><li>They are divided according to changes in temperature!! </li></ul>
  3. 3. The Troposphere <ul><li>0-12 km </li></ul><ul><li>Where weather occurs! </li></ul><ul><li>Airplanes fly here </li></ul>
  4. 4. The Stratosphere <ul><li>12-50 km </li></ul><ul><li>Gets warmer with altitude because it contains the OZONE LAYER! </li></ul><ul><li>This protects us from UV Rays </li></ul>
  5. 5. The Mesosphere <ul><li>The Coldest Layer </li></ul><ul><li>Meteors burn up here due to friction. </li></ul>
  6. 6. The Thermosphere <ul><li>The lower Thermosphere = Ionosphere </li></ul><ul><li>The upper Thermosphere = Exosphere </li></ul><ul><li>The Hottest Layer </li></ul>
  7. 7. The Ionosphere <ul><li>Radio waves bounce off the ions. </li></ul><ul><li>The Aurora Borealis occurs here. </li></ul>
  8. 8. The Exosphere <ul><li>Has no outer limit, it blends into outer space. </li></ul><ul><li>Satellites orbit here. </li></ul>
  9. 9. Review <ul><li>1. The layers of the atmosphere are classified according to changes in what? </li></ul><ul><li>2. What are the 4 man layers of the atmosphere. </li></ul><ul><li>3. Where does the aurora borealis occur? </li></ul>
  10. 10. Aurora Borealis

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