Chapter 11

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Author:
fourthgrade
ID:
143109
Filename:
Chapter 11
Updated:
2012-04-01 21:08:00
Tags:
Atmosphere
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Description:
Chapter 11 Atmosphere 4th grade
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  1. is a mixture of gasses, liquids, and solid particles that surround the earth
    atmosphere
  2. makes up 78% of the earths atmosphere
    nitrogen
  3. makes up 21% and is necessary for life
    oxygen
  4. the remaining 1% is made of water vapor ,other gasses and tiny particles
  5. the carbon dioxide in the remaining 1% is used by plants and released by animals
  6. where we live and our weather occurs
    troposphere
  7. layers of the earth's atmosphere from the ground up
    troposphere stratosphere mesosphere thermosphere exosphere
  8. energy of the sun that travels through empty space
    solar radiation
  9. found between the equator and the poles having varying temperatures
    temperate zone
  10. the amount of water vapor in the air
    humidity
  11. the droplets of water vapor that have condensed onto tiny particles suspended in the air
    clouds
  12. is the force upon a given point
    pressure
  13. the force exzerted by air molecules upon a given area
    air pressure
  14. occurs where warm air rises,often bringing precipitation
    low pressure
  15. occurs where cold air sinks and is associated with clear skies
    high pressure
  16. an instrument used to measure air pressure
    barometer
  17. a pattern of weather that an area has over a long peroid of time
    climate
  18. the three zones of the earth
    polar- exeremely cold


    temperate-mild


    tropical- hot
  19. when air presure falls ,bad weather happens
  20. wind is formed when air moves from high pressure to low pressure
  21. when water vapor condenes on cooler surfaces dew forms

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