Transcript Chapter 2 Power Point Clouds

Clouds
March 11, 2010
Clouds
 1. _Clouds- are a collection of millions of
tiny water droplets or ice crystals
How do clouds form?
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1. Warm air rises and cools
2. Water vapor is added to the air.
3. Air eventually becomes saturated.
4. Water vapor condenses on smoke, dust, salt,
and other small particles_high in the air.
 5. Millions of droplets of liquid water collect to form
a cloud.
Root Words
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1. cumulus-puffy, flat-bottomed
2. nimbus-(nimbo)- heavy rain or rain cloud
3. stratus-layered
4. cirrus-lock or curl
5. High-_cirro
6. Middle- alto
7. Low- strato
Cumulus
Stratus
Cirrus Clouds
Clouds
Cloud
Cumulus
Appearance
Puffy, white
clouds with
How the cloud
Weather
forms
indication
Form when
Fair weather.
When the cloud
gets larger, may
produce
thunderstorms=
Cumulonimbus
warm air rises
flat bottoms
Stratus
Form in layers,
Cover large
areas,
Sometimes
blocking the sun
Caused by a
gentle lifting of a
large body of air
into the
atmosphere
NimbostratusDark stratus
clouds that
produce light to
heavy,
continuous rain
Cloud
Cloud
Appearance How the
Weather
cloud forms Indication
Cirrus
Thin, feathery,
curl white clouds
found at high
altitudes
Form when the
wind is strong
May indicate bad
weather is
coming if the
clouds thicken
and lower in
altitude
Cloud Project
 1. Cut out the 6 clouds, staple 2 blue sheets of paper
together
 2. Use page 41 in your book as a guideline and label the
height (altitude) on the right hand side of your paper.
 3. Glue the clouds in the correct altitude. Add lightning to
the cloud that may produce thunderstorms, also shade in
the cloud that may be gray because it produces rain.
 4. At the top of your paper, write the following root words
and their meaning. Strato, alto, cirro, cumulus, stratus,
cirrus, and nimbo
Word Bank
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Strato
Alto
Cirro
Puffy, flat bottomed
Cirrus
Layered
Nimbus