Water Cycle (Also known as the hydrologic cycle)

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Presentation transcript:

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 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