water cycle powerpoint new
TRANSCRIPT
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The Water
Cycle
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The Water Cycle
consists of….
•Evaporation/transpiration•Condensation•Precipitation•Run-off
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We reuse water
everyday. It works as an
endless cycle.
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The Earth is very limited in
Fresh Water. We have to
use and reuse what we
have.
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TranspirationSimilar to evaporation, only water is evaporated off of the leaves of plants after it is absorbed through the roots
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{ {
Oceans
account for
80% of water
that is
evaporated.
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What Happens Next?The process of condensation occurs
•When the temp of the air is cold enough to change the water molecules from gas to a liquid
•Water droplets form when small dust particles are present for the water to attach to
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This process forms clouds!
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The water eventually has to come
down…
1)Water condenses onto tiny particles
2)Droplets collide and grow in size and weight
3)Enough collision occur to override the updraft speed
4)Droplets fall
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Precipitation• Process of when water in the
atmosphere falls to the earth’s surface.
SNOW
RAIN
HAILSLEET
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Water that falls as rain and snow infiltrates
into the subsurface of soil and rock. Some
stays in the the soil, some may enter a
stream, and some may infiltrate deeper and
recharge ground aquifers.
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How do we use ground
water?
•Pump water out of wells•Create dams to channel water into aquifers•We depend on stored water for daily use
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Majority of water movement is
contributed by the melting of
snow caps
- Snow caps act as a natural reservoirs
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We need fresh water to
survive, so use it
efficiently!
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Citations•Baaker2009, River-Braan-Hermitage, May 20, 2010, Attribution license•Corey Leopold, The Rain, July 3, 2009, Attribution license•Beth Trittipo, Puddle After Rainstorm, September 30, 2006, Attribution license•John M. Evans, The Water Cycle, USGS•Mikeyskatie, Glacier Run off Near Paradise on Mt. Rainer, August 21, 2010, Attribution license•Evaporation, The Watershed Concept, Michigan National Education Curriculum•Eric Heath, Fog 09/27/2007 Morning, September 27, 2007, Attribution license•Laffy4k, Rainy Street, May 26, 2009, Attribution license•Joe Robertson, The Biggest Hail I’ve Ever Seen, June 16, 2008, Attribution license•Juliancolton2, Snowflakes, January 12, 2011, Attribution license•Jurgen, Mountain Snow Caps, May 18, 2006, Attribution license•"The Water Cycle: Infiltration." USGS Science for a Changing World. N.p., n.d. Web. 8 Feb. 2011. <http://ga.water.usgs.gov/edu/watercycleinfiltration.html>.•Science Bus. Home page. The Science Bus Experiment. Black Ridge Media, 2007. Web. 28 Feb. 2011. <http://www.sciencebus.co.uk/topics/states.html>.•Missouri Botanical Garden. "The Water Cycle Introduction." MGBnet. The Evergreen Project, 2005. Web. 28 Feb. 2011. <http://www.mbgnet.net/fresh/index.htm>.