6th grade ch. 2 sec. 4 clouds

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6th grade ch. 2 sec. 4 clouds

  1. 1. Ch. 2 Sec. 4 Water in the Atmosphere
  2. 2. water cycle Water cycle explanation
  3. 3. humidity <ul><li>measure of amount of water vapor in air </li></ul>
  4. 4. relative humidity <ul><li>percentage of water vapor in air compared to maximum amount air could hold </li></ul><ul><li>measured w/ psychrometer </li></ul>
  5. 5. dew point <ul><li>temperature @ which condensation begins </li></ul>
  6. 7. A cloud’s name contains clues about its height & structure.
  7. 8. 3 main types of clouds cumulus stratus cirrus
  8. 9. Each type of cloud is associated with a different kind of weather.
  9. 10. cumulus clouds
  10. 11. cumulus clouds <ul><li>usually indicate fair weather </li></ul><ul><li>form < 2 km above ground </li></ul>
  11. 12. cumulus clouds <ul><li>look like fluffy, rounded piles of cotton </li></ul>
  12. 13. cumulonimbus clouds <ul><li>called thunderheads </li></ul><ul><li>b/c make </li></ul><ul><li>thunderstorms </li></ul>
  13. 14. cumulonimbus cloud
  14. 15. str at us clouds <ul><li>form in fl at layers </li></ul><ul><li>usually cover all or most of sky </li></ul>
  15. 16. nimbostratus clouds <ul><li>May make rain or snow </li></ul>
  16. 17. cirrus clouds <ul><li>sometimes called “mare’s tails” </li></ul>
  17. 18. cirrus clouds form only @ high levels
  18. 19. cirrus clouds <ul><li>made up mostly of ice crystals </li></ul>
  19. 20. fog <ul><li>Clouds that form @ </li></ul><ul><li>or near ground </li></ul>
  20. 21. Fog often forms when the ground cools at night after a warm, humid day.
  21. 22. Cloud formations
  22. 23. It's time for Name that cloud
  23. 24. cumulus cirrus stratus 3 main types of clouds
  24. 25. cirrus clouds <ul><li>Sometimes called “mare’s tails” </li></ul>
  25. 26. cumulus clouds <ul><li>look like fluffy, rounded piles of cotton </li></ul>
  26. 27. cumulonimbus clouds <ul><li>called thunderheads </li></ul><ul><li>b/c make </li></ul><ul><li>thunderstorms </li></ul>
  27. 28. cumulus clouds <ul><li>usually indicate fair weather </li></ul><ul><li>form < 2 km above ground </li></ul>
  28. 29. form only at high levels cirrus clouds
  29. 30. fog <ul><li>Clouds that form @ </li></ul><ul><li>or near ground </li></ul>
  30. 31. str at us clouds <ul><li>form in fl at layers </li></ul><ul><li>usually cover all or most of sky </li></ul>
  31. 32. cirrus clouds <ul><li>made up mostly of ice crystals </li></ul>
  32. 33. Make and label the CLOUDS pg. 65 <ul><li>cirrus </li></ul><ul><li>cirrocumulus </li></ul><ul><li>altocumulus </li></ul><ul><li>altostratus </li></ul><ul><li>cumulonimbus </li></ul><ul><li>nimbostratus </li></ul><ul><li>stratus </li></ul><ul><li>cumulus </li></ul><ul><li>fog </li></ul>
  33. 34. Cloud observations <ul><li>Draw pictures and label the clouds that you see in the sky, with a brief description of the clouds. </li></ul><ul><li>List 5 different images you notice that the clouds make. </li></ul>
  34. 35. Ch. 2 Sec. 4 Open Notes Quiz <ul><li>Describe the water cycle. </li></ul><ul><li>What instrument is used to measure relative humidity? </li></ul><ul><li>Clouds of all kinds form when water vapor in the air becomes _______ or ________. </li></ul><ul><li>The temperature at which condensation begins is called the ___________. (Hint: Think of which teacher brought you to science class  ) </li></ul><ul><li>Name and describe the 3 main types of clouds. </li></ul>

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