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May 02, 2011
Standard 4~4.1: Summarize the processes of the water cycle (including evaporation, condensation, precipitation, and runoff)
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A
It heats the water and causes some to evaporate. B
It forces precipitation out of the clouds. C
It causes a warm front to move in. D
It creates water condensation that creates ice crystals. 2
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A
evaporation B
condensation C
precipitation D
runoff 3
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Which of these does not happen to runoff after it falls from the sky as precipitation?
A
It gathers in a lake. B
It soaks in the soil. C
It evaporates. D
It forms a low­lying cloud. 4
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As water vapor rises in the atmosphere, it cools and becomes liquid water. This process is known as:
A
evaporation
B
condensation
C
transpiration
D
precipitation
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When temperatures drop below 0 degrees C (32 degrees F), the water droplets that make up clouds can freeze. What can happen when this occurs? A
The droplets break the clouds apart.
B
It begins to sleet.
C
The droplets fall to the ground as snow. D
The snow melts into rain. 6
Water cycle sb
May 02, 2011
Evaporation
In the water cycle,
water changes state
between liquid, gas,
and solid. The Sun is
the energy source for
this cycle. The Sun
causes water to
evaporate from lakes,
oceans, and other
bodies of water. We
cannot see the water
rising because it is in
its gaseous state.
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Transpiration
(a type of evaporation)
Do plants sweat?
Well, sort of.... people
perspire (sweat) and
plants transpire.
Transpiration is the
process by which
plants lose water out
of their leaves.
Transpiration gives
evaporation a bit of a
hand in getting the
water vapor back up
into the air.
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Condensation
As the water vapor
rises, it cools and
condenses.
Condensation occurs
when the water vapor
turns from a gaseous
state back to a liquid.
This is when clouds
form.
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Today, we are going to summarize the processes of the water cycle
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Precipitation
Precipitation can fall
as rain, snow, sleet,
or hail.
snow~ falls when the water reaches a temperature below 0 degrees C ﴾32 degrees F﴿.
sleet ~ rain falls from clouds as
a liquid but freezes along the way.
The rain falls as small chunks of ice
called sleet.
hail ~ is made of ice, too. The ice chunks are much larger than sleet. Hail forms inside the tall clouds of a thunderstorm. Most hailstones are the size of peas. However, some are bigger than baseballs. AutoSave
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May 02, 2011
Runoff
After precipitation,
water flows over the
Earth's surface as
runoff. Runoff
gathers in lakes,
oceans, rivers, and
streams. Over time,
water collects in
glaciers an ice caps.
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Water Cycle Song
(to the tune of “Oh My Darling Clementine”)
Students stand around the room to form a big circle.
Evaporation,
Raise arms into the air.
Condensation,
Brings hands together above head, forming large cloud shape with arms.
Precipitation,
Lower arms moving fingers for rain, sleet, snow or hail
Runoff too.
Move hands in a downward motion as if running off of a hill
Parts of the water cycle;
Students join hands They continue, yes the do.
Students move in a clockwise large circle to model cycle. AutoSave
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Move the Water Cycle word to its correct letter. evaporation
condensation
precipitation
runoff
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water vapor
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May 02, 2011
water vapor
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re to
k he in Pop
c
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C
ra
h a B
watc
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May 02, 2011
Now let's act out the
water cycle!
Reader's Theater scripts are under attachments. k
s
a
T
Your
• In groups of 9, find a safe place in the classroom to practice your parts. • Make any props necessary to make your group original. • You will perform for the class.
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May 02, 2011
The Water Cycle
Grade:
Subject:
Date:
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4
Science 26
Attachments
water cycle song.tif
Water Cycle Readers Theater..doc
water cycle glue in activity.tif
The Water Cycle Lesson Plan.doc