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Layers

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the main layers of our atmosphere

the main layers of our atmosphere

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Layers Layers Presentation Transcript

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