chapter 10 lesson 4
TRANSCRIPT
![Page 1: Chapter 10 Lesson 4](https://reader034.vdocuments.mx/reader034/viewer/2022042701/559c94901a28aba6128b46da/html5/thumbnails/1.jpg)
Chapter 10,
Lesson 4
Water
Vapor and
Humidity
water vapor
humidity
relative humidity
transpiration
cloud formation
thermal
convection
meteorologist
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water vapor - water in its gas form is
water vapor. If you can see it, it’s
not really water vapor!
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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.
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transpiration –watery vapor
passed through a membrane or
pores in a plant
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transpiration –watery vapor
passed through a membrane or
pores in a plant
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cloud formation – the way clouds form
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cloud formation – the way clouds
form
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cloud formation – the way clouds
form
![Page 11: Chapter 10 Lesson 4](https://reader034.vdocuments.mx/reader034/viewer/2022042701/559c94901a28aba6128b46da/html5/thumbnails/11.jpg)
cloud formation – the way clouds
form
![Page 12: Chapter 10 Lesson 4](https://reader034.vdocuments.mx/reader034/viewer/2022042701/559c94901a28aba6128b46da/html5/thumbnails/12.jpg)
cloud formation – the way clouds
form
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thermal – a rising air current
caused by heating the Earth’s
surface (radiation)
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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
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convection – when relatively
warm air is raised into the
atmosphere, often cooling and
forming clouds
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meteorologist – a scientist who
deals with the atmosphere,
including weather and climate