Layers of the atmosphere
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Layers of the atmosphere

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Layers of the atmosphere Layers of the atmosphere Presentation Transcript

  • Layers of the Atmosphere
  • How to Make Atmosphere Foldable: 1) Obtain 1 sheet of copy paper 2) Fold in half (hamburger-style) 3) Evenly divide the paper into 5 sections 4) Draw lines to divide each section 5) Label each section (the troposphere show be on bottom) 6) Cut (one side) of the folded paper along the drawn lines 7) Draw any objects found in each section on the outside 8) Write any information about each layer inside the foldable 9) Be sure to include info like: - Meaning of the beginning of word - Distance from Earth’s surface - Objects found in the layer’ - Any other distinguishing characteristics * Foldable should look like this when it is closed* EXOSPHERE THERMOSPHERE MESOSPHERE STRATOSPHERE TROPOSPHERE
  • How to Obtain your Information: • Go to: http://www.windows2universe.org/earth/Atm osphere/layers.html OR • Scan this QR Code: AND • Go to: – Pages 516-517 in TB
  • Troposphere • Meaning “change” • Nearest to the Earth • The weather layer (clouds, etc.) • Commercial aircraft fly at very top of this layer – Some actually cruise in the lower Stratosphere • Summit of Mount Everest is at top of this layer • 0–10 kilometers (0–6 miles)
  • Stratosphere • Meaning “stretched out layers” • Atmosphere’s second layer • Contains the ozone (O3) layer – Absorbs solar radiation that is harmful • Weather balloons can be found in this layer – atmospheric pressure, temperature, humidity and wind speed • 10–50 kilometers (6–31 miles)
  • Mesosphere • Meaning “middle” or “intermediate” • 3rd or middle layer of the atmosphere • Most meteors burn up in this layer • 50–90 kilometers (31–56 miles)
  • Thermosphere • Meaning “heat” • Temperatures can range from about 500° C (932° F) to 2,000° C (3,632° F) or higher – Would actually feel extremely cold because the air is extremely thin in this layer • Contains the Ionosphere – Charged particles (electrons, protons, and other ions) from space collide with atoms and molecules • Auroras (Southern and Northern Lights) occur in this layer • 90 kilometers (56 miles) and up to the Exosphere
  • Exosphere • Meaning “exit” or “outer” • Outer limits of our atmosphere • Since there is no clear boundary between outer space and the exosphere, the exosphere is sometimes considered a part of outer space • Gas particles extremely spread out and often escape into space • Starting at about 500–750 km (300-460 miles)