Chapter 10, Lesson 4 Water Vapor and Humidity - PowerPoint PPT Presentation

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Chapter 10, Lesson 4 Water Vapor and Humidity

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  1. Chapter 10, Lesson 4Water Vapor and Humidity water vapor humidity relative humidity transpiration cloud formation thermal convection meteorologist

  2. water vapor - water in its gas form is water vapor. If you can see it, it’s not really water vapor!

  3. humidity – the level of moisture in the air; the amount of water vapor in the air

  4. relative humidity – is when you compare how much water vapor is in the air to how much it COULD hold

  5. dew point – point when the air is completely saturated with moisture and can hold no more.

  6. transpiration –watery vapor passed through a membrane or pores in a plant

  7. transpiration –watery vapor passed through a membrane or pores in a plant

  8. cloud formation – the way clouds form

  9. cloud formation – the way clouds form

  10. cloud formation – the way clouds form

  11. cloud formation – the way clouds form

  12. cloud formation – the way clouds form

  13. thermal – a rising air current caused by heating the Earth’s surface (radiation)

  14. thermal – heated air that risesthermals help these birds to soar,they help gliders soar, too. They push air into the atmosphere, that cools and forms clouds

  15. convection – when relatively warm air is raised into the atmosphere, often cooling and forming clouds

  16. meteorologist – a scientist who deals with the atmosphere, including weather and climate