Layers of the Earth and Atmosphere

• Layers of the Earth

  
  

  • Crust
  • Lithosphere
  • Asthenosphere
  • Mantle
  • Outer Core (Solid)
  • Inner Core (Liquid)
  • Core
• Layers of the Atmosphere

  • Exosphere
  • Ionosphere
  • Troposphere
  • Stratosphere
  • Mesosphere
  • Thermosphere
• Troposphere


  • Lowest layer, where nearly all weather occurs and clouds appear
• Stratosphere


  • Where ozone layer is located
• Mesosphere


  • Where most meteors burn up upon entering earth
• Thermosphere


  • Where high-energy X-rays and UV radiation from the Sun are absorbed
• Ionosphere


  • Series of regions in parts of the mesosphere and thermosphere
• Exosphere


  • The "final frontier" of Earth's gaseous envelope
• Composition of the Atmosphere

  • Nitrogen 78%
  • Oxygen 21%
  • Carbon Dioxide 0.04%
  • Argon 0.9%
  • All Other Gases 0.06%
• Weather Instruments

  • Barometer - air pressure
  • Anemometer - wind speed
  • Hygrometer - humidity
  • Wind Vane - wind direction
  • Rain Gauge - amount of rainfall