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Atmosphere-Weather
Earth Science Ch. 11
Temperature vs. Heat

Temperature-measures how rapidly
molecules are moving

Heat-transfer of energy

Flow is from hotter to colder
Temperature
scales-fig.11-7
Converting degrees

F = (C x 1.8) +
32

C = 5/9 (F-32)
75-32=44x5/9=
 24 C

Dew Point

Temp at which air must be cooled to reach
saturation.

No dew or rain or snow til this temp occurs
Wind

HowStuffWorks
Videos "Basics of
Geology: Wind“

http://science.howstuf
fworks.com/search.ph
p?terms=wind+energ
y&gallery=1&media=v
ideo
Humidity-water vapor in air

Relative humidity= actual amt in air
potential amt of
moisture it can hold

(More on this in geode disk)
Clouds
Part 2
How do clouds form?


Warm, moist air rises, then it expands and
cools.
When it reaches its dew point, the water
vapor condenses on condensation nuclei.

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Ex. dust, smoke particles, sea salt
Millions collect, and clouds form
4 ways air rises. . .
Weather _amp
Orographic Lifting
Convergence of air
Frontal wedging
In summary, 4 ways air rises
Types of Clouds (table 11-3)
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Classified by altitude and shape

Cirro-high
Alto-middle
Strato-low



cirrus-hair
cumulus-puffy
stratus-layer
nimbus-rainy
General Info

Cirrus clouds made of ice crystals

Fog is lowest form of clouds

Coalescence-cloud droplets colliding

They get big enough, and rain droplets form
Precipitation

Rain, snow, sleet, hail

rime-ice that forms
when water droplets
freeze
Assessment

1. Describe the 4 ways air can rise.

2. Describe how the water cycle works.

3. Know how to identify cloud types.

4. What are dew point and humidity?
References

Most information was taken from Glencoe and McGraw-Hill’s Earth Science
textbook
www.bbc.com
www.howstuffworks.com
http://www.vivoscuola.it/US/RSIGPP3202/umidita/lezioni/formation2.GIF
http://www.atmos.umd.edu/~meto200/2_25_03_lecture_files/slide0017_ima
ge068.jpg
http://apollo.lsc.vsc.edu/classes/met130/notes/chapter6/graphics/lift_conver
ge.jpg
http://www.espere.net/Germany/schooljpggif/baloontext.jpg
http://www.tagbanger.com/wp-content/uploads/2007/09/lenticular-clouds.jpg
http://media.mgbg.com/wkrg/photos/weather/WaterCycleUSGS.jpg
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http://nbcsports.msnbc.com/id/38175509/
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