Chapter 10 Lesson 4 - Water Vapor and Humidity

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Chapter 10 Lesson 4 - Water Vapor and Humidity

  1. 1. Chapter 10, Lesson 4 Water Vapor and Humidity water vapor humidity relative humidity transpiration cloud formation thermal convection meteorologist
  2. 2. water vapor - water in its gas form is water vapor. If you can see it, it’s not really water vapor!
  3. 3. humidity – the level of moisture in the air; the amount of water vapor in the air
  4. 4. relative humidity – is when you compare how much water vapor is in the air to how much it COULD hold
  5. 5. dew point – point when the air is completely saturated with moisture and can hold no more.
  6. 6. transpiration –watery vapor passed through a membrane or pores in a plant
  7. 7. transpiration –watery vapor passed through a membrane or pores in a plant
  8. 8. cloud formation – the way clouds form
  9. 9. cloud formation – the way clouds form
  10. 10. cloud formation – the way clouds form
  11. 11. cloud formation – the way clouds form
  12. 12. cloud formation – the way clouds form
  13. 13. thermal – a rising air current caused by heating the Earth’s surface (radiation)
  14. 14. thermal – heated air that rises thermals help these birds to soar, they help gliders soar, too. They push air into the atmosphere, that cools and forms clouds
  15. 15. convection – when relatively warm air is raised into the atmosphere, often cooling and forming clouds
  16. 16. meteorologist – a scientist who deals with the atmosphere, including weather and climate

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