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The Water Cycle

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on 24 September 2013

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Transcript of The Water Cycle

The Water Cycle
water cycle stages
-the process in which water changes from a liquid to a gas or vapor-
-heat energy has to happen for evaporation to happen
-"the energy breaks the adherence that attach the water molecules"
-that's why water evaporates at a boiling point but slower at a freezing point

-plants transpire
- plants roots are in the soil and draw up nutrients and water to the leaves and stem
- "an acre of corn can give off 3,000- 4,000 gallons of water a day"

-evaporation of water from plants
this picture shows a plant transpiring and it evaporating.
-the process in which water vapor in the air is changed into liquid water.
-"condensation is responsible for the formation of clouds
-the phase change that accompanies water as it moves between gas, liquid, and solid form happens because of differences in the arrangement of water molecules"
- "water molecules in gas form are arranged more randomly then in liquid water"
-as condensation happens, water molecules become organized into a less random arrangement
- heat is released into the atmosphere as a result

-changing from the solid phase directly into a gas phase, with no liquid stage in between

- dry ice shows sublimation when it is exposed to room temperature air
- the process in which water is released from clouds in the form of rain, freezing rain, sleet, snow, or hail
-tiny water droplets have to condense on even tinier salt, dust, or smoke particles, which act like a nucleus
-"if there is enough collisions to make a droplet with a high fall velocity which exceeds the cloud updraft speed"
- the water droplet will then fall out of the cloud as precipitation
-an accumulation of water
- lakes
water cycle facts
-the energy from the sun keeps the water cycle going
-the water cycle is also called the hydrologic cycle
-it takes about ten days for water to go through the entire cycle

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