Chapter 10 Lesson 4
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Chapter 10 Lesson 4

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Chapter 10 Lesson 4 Chapter 10 Lesson 4 Presentation Transcript

  • water vapor
    humidity
    relative humidity
    transpiration
    cloud formation
    thermal
    convection
    meteorologist
    Chapter 10, Lesson 4Water Vapor and Humidity
  • water vapor - water in its gas form is water vapor. If you can see it, it’s not really water vapor!
  • humidity – the level of moisture in the air; the amount of water vapor in the air
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  • relative humidity – is when you compare how much water vapor is in the air to how much it COULD hold
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  • dew point – point when the air is completely saturated with moisture and can hold no more.
  • transpiration –watery vapor passed through a membrane or pores in a plant
  • transpiration –watery vapor passed through a membrane or pores in a plant
  • cloud formation – the way clouds form
  • cloud formation – the way clouds form
  • cloud formation – the way clouds form
  • cloud formation – the way clouds form
  • cloud formation – the way clouds form
  • thermal – a rising air current caused by heating the Earth’s surface (radiation)
  • 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
  • convection – when relatively warm air is raised into the atmosphere, often cooling and forming clouds
  • meteorologist – a scientist who deals with the atmosphere, including weather and climate