Download - The water cycle pp
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The Water CycleBy: Amelia Leveille
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Diagram of the water cycle
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Facts about the water cycle
• The chemical symbol for water is H2O
• The sun is the driving force of the water cycle
• Only 3% of water on earth is freshwater
• When ever water changes from one state to another and moves from one place to another, it either gives off or absorbs energy
Runoff/Collection
EvaporationCondensation
Precipitation
Note: If precipitation is absorbed by a plant, then it goes through transpiration (releasing water from its leaves) rather than evaporation
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Words to know
Water cycle - the continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation
Evaporation - the process by which molecules at the surface of a liquid absorb enough energy to change to a gas
Condensation - the change in state from a gas to a liquid
Precipitation - any form of water that falls from clouds and reaches earth's surface as rain, snow, sleet, or hail
Transpiration - the process through which water is lost through a plant's leaves
Runoff - water that flows over the ground surface rather than soaking into the ground
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Ready for some questions?
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Question #1
o Which step of the water cycle turns water vapor into clouds?
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Correct!
Water Vapor Condensation Clouds
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Question #2
o What happens after a plant absorbs water?
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Correct!
o Transpiration - the process through which water is lost through a plant's leaves
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Question #3
o How much of earth’s water is freshwater?
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Correct!
o Only 3% of earth’s water is freshwater
Saltwater Freshwater
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Question #4
o What is the chemical symbol for water?
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Correct!
H2O
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Question #5
o Where does the energy that powers the water cycle come from?
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Correct!
o Energy from the sun powers the water cycle!
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Now time for some bonus questions…
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Bonus #1
o What does H2O mean?
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Correct!
o H2O means 2 atoms of hydrogen and 1 atom of oxygen
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Bonus #2
o In 20 minutes, one thunderstorm can send down over _____ gallons of water.
a) 14,300
b) 500,000
c) 3,400,000
d) 125,000,000
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Correct!
125 million
gallons of water
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Congratulations!I hope you learned a lot about the water cycle!