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Water Cycle

Presentation showing energy transfer during the water cycle

Katie Brancaccio

on 30 November 2012

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Transcript of Water Cycle

Focusing on the Energy Transfers during the Water Cycle The Water Cycle Radiant Energy from the sun is captured & becomes Thermal/Heat energy in water, plants, and land Surface Water- Precipitation falls onto land and spreads out to many different locations- like lakes, rivers, and oceans. Run off is precipitation that flows into surface streams, which flows into rivers, and eventually makes its way back to the ocean Did you know? The Florida aquifer covers all of Florida, and extends into the coastal regions of Georgia, South Carolina, and Alabama. It is one of the world's most productive aquifers. After water falls to the Earth as precipitation, water can seep through soil and into underground aquifers instead of running into streams Did you know? Cool air cannot hold as much water vapor has warm air. When clouds become too heavy from all the water droplets to remain in the air, precipitation follows in the form of rain, snow, sleet, or hail. Did you know? It takes anywhere from between a few minutes to an hour for a cloud to form! Condensation condenses the water vapor into small particles. The water vapor has to cool down in order to condense or it has to reach its saturation point. When water particles condense, it can form fog, dew, or clouds. Did you know? Sunlight, temperature, wind, vapor pressure, and atmospheric pressure are all factors that determine the amount of evaporation that occurs in an area. When the water molecules in the water get heated up, they evaporate and become water vapor and rise into the atmosphere Transpiration is the release of water vapor from its surface or from its pores. Plants take in water through their roots, which travels up its stem, through capillary actions, and into the leaves. Water is released as a byproduct of photosynthesis. Water also cools the leaves of the plant. Water Vapor from transpiration is then returned back to the atmosphere 1) Briefly describe what is happening during each labeled step of your diagram.
Evaporation- Water is heated up and evaporates into water vapor (and sometimes ice crystals) and rises into the atmosphere
Condensation- Water vapor cools down and condenses, forming clouds
Precipitation- Precipitation (rain, sleet, snow, hail) falls to the Earth after the clouds get too heavy to remain suspended
Groundwater- Water seeps into the ground and is stored underground in water tables
Run-off- Precipitation that flows (or "runs-off") into surface streams
Surface Water- Water disperses to different locations (lakes, rivers, oceans).
Transpiration- The release of water vapor from a plant's surface or pores 2) What forms of energy are being transferred in your cycle? For example, electrical energy converts to chemical energy during lightning fixation. *Radiant Energy is captured & becomes Thermal (Heat) Energy
* Thermal Energy transfers to atmosphere during Evaporation/Transpiration
*Thermal Energy releases to atmosphere when water vapor cools and becomes precipitation
*Thermal Energy stores in water, land, & plants
by Katie Brancaccio
7th Period
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