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Water Cycle(Also known as the hydrologic cycle)
• The continuous process by which water moves from Earth’s surface to the atmosphere and back
Water Cycle
http://www.osovo.com/diagram/water_cycle.jpg
Water Vapor
• Water Vapor is the invisible, gaseous form of water.
Water Vapor
• Make sure you understand that fog and clouds are NOT water vapor, they are made of tiny droplets of condensed water. WATER VAPOR IS INVISIBLE
Photos by Rusty Sturken
Evaporation• The process by which
molecules at the surface of a liquid absorb enough energy to change to a gas
• EX: water water vapor
(liquid) (gas)
Evaporation
http://www.tapintoquality.com/facts/glossary/evaporation.jpg
Transpiration• The process by which
plants release water vapor through their leaves
Transpiration
http://techalive.mtu.edu/meec/module01/images/transpiration.jpg
Condensation• The process by which a
gas, such as water vapor, changes to a liquid, such as water
• This is how clouds are formed
Condensation
http://www.dreamstime.com/blue-water-drops-condensation-thumb1809120.jpg
Precipitation• Forms of water, such as
rain, snow, sleet or hail that fall from clouds and reach Earth’s surface
Precipitation
http://www.fondriest.com/fileshare/subpages/science_library/precipitation.jpg
Infiltration
• Is when precipitation soak into the shallow soil layer, then seeps into streams or groundwater
Groundwater• Water that fills the cracks
and pores in underground soil and rock layers
Groundwater
GROUNDWATER http://www.epa.gov/bioiweb1/images/hydrocyc.gif
Watershed• The land area that supplies
water to a river system
( think of “drainage basin”)
Watershed
http://www.recycleworks.org/images/watershed_800.jpg
Water Table• The top of the saturated
zone, or depth to the groundwater in an aquifer
Water Table
http://www.groundwater.org/gi/images/groundwaterdiagram.jpg
Aquifer• An underground layer of
rock or soil that holds water
Aquifer
http://mtnwater.com/images/missoula_aquifer-450.gif