ppt group 5 mbhs wisdomist
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ppt group 5 mbhs wisdomist




of 2 beautiful woman and 1 cute and extravagant kid.. yeah



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ppt group 5 mbhs wisdomist ppt group 5 mbhs wisdomist Presentation Transcript

  • Group 5 Presents
  • The Water CycleWhat is it and how does it work?
  • The Water Cycle CondensationWater Vapor Precipitation Evaporation Percolation Water
  • The water cycle or hydrologic is a continuous cyclewhere water evaporates, travels into the air and becomespart of a cloud, falls down to earth as precipitation, andthen cycle. Water keeps moving and changing from a solidto a liquid to a gevaporates again. This repeats again andagain in a never-ending as, over and overagain.Precipitation creates runoff that travels over theground surface and helps to fill lakes and rivers. Italso percolates or moves downward through openings inthe soil to replenish aquifers under the ground. Someplaces receive more precipitation than others do. Theseareas are usually close to oceans or large bodies of waterthat allow more water to evaporate and form clouds. Otherareas receive less precipitation. Often these areas are farfrom water or near mountains. As clouds move up and overmountains, the water vapor condenses to form precipitationand freezes. Snow falls on the peaks.
  • Earths Water Cycle• Water is always on the move. Rain falling where you live may have been water in the ocean just days before. And the water you see in a river or stream may have been snow on a high mountaintop.• Water can be in the atmosphere, on the land, in the ocean, and even underground. It is recycled over and over through the water cycle. In the cycle, water changes state between liquid, solid (ice), and gas (water vapor).• Most water vapor gets into theatmosphere by a process calledevaporation. This process turns the water that is at the top of the ocean, rivers, and lakes into water vapor in the atmosphere using energy from the Sun.
  • a drop of water spends an average of just Water vapor can alsoform from snow and ice through the process of sublimation andcan evaporate from plants by a process calledtranspiration.The water vapor rises in the atmosphereand cools, forming tinywater droplets by a process called condensation. Those waterdroplets make up clouds. If those tiny water droplets combinewith each other they grow larger and eventually become tooheavy to stay in the air. Then they fall to the ground as rain, snow, and other types of precipitation.Most of the precipitation that falls becomes a part of the ocean orpart of rivers, lakes, and streams that eventually lead to theocean. Some of the snow and ice that falls as precipitation staysat the Earth surface in glaciers and other types of ice. Some ofthe precipitation seeps into the ground and becomes a part ofthe groundwater.Water stays in certain places longer than others. A drop of watermay spend over 3,000 years in the ocean before moving on toanother part of the water cycle while eight days in theatmosphere before falling back to Earth.
  • The Water Cycle (also known as the hydrologic cycle) isthe journey water takes as it circulates from the land to thesky and back again.The Suns heat provides energy to evaporate water fromthe Earths surface (oceans, lakes, etc.). Plants also losewater to the air (this is called transpiration). The watervapor eventually condenses, forming tiny droplets inclouds. When the clouds meet cool air over land,precipitation (rain, sleet, or snow) is triggered, and waterreturns to the land (or sea). Some of the precipitation soaksinto the ground. Some of the underground water is trappedbetween rock or clay layers; this is called groundwater. Butmost of the water flows downhill as runoff (above ground orunderground), eventually returning to the seas as slightlysalty water.
  • The water cycle begins with water. Water is found in manyplaces. A few of them are as follows: Lakes, rivers, oceans, ponds, puddles, reservoirs, andmany other places.
  • The next stage is evaporation. This is a process where thewater is heated and turned into a water vapor. The sun is themain heat source for this process.
  • The next stage is condensation. This is where warm and cold aircollide and form ice crystals that condense and form droplets of water.These water droplets eventually become to heavy and begin to fall inthe form of precipitation.
  • The next stage is Precipitation. This is water falling to theearth in the form of snow, hail, rain, sleet, or glaze.
  • The next stage is percolation. The water seeps through thesoil and ends up in the water table. It then flows into thestreams, lakes, oceans, and other bodies of water. Theprocess is then repeated again and again.
  • Now you’re ready for the EXAMINATION! On the next page, complete the chart.
  • The Water Cycle Examination! ______________________________ _______________ _______________ ______________________ ________________
  • The Water Cycle Answers! CondensationWater Vapor Precipitation Evaporation Percolation Water