Chapter 10 Lesson 4 - Water Vapor and Humidity
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Transcript of Chapter 10 Lesson 4 - Water Vapor and Humidity
Chapter 10, Lesson 4
Water Vapor and
Humidity
water vaporhumidity
relative humiditytranspiration
cloud formationthermal
convectionmeteorologist
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
relative humidity – is when you compare how much water vapor
is in the air to how much it COULD hold
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