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Warm Up Answer the following question in your notebook in a complete sentence (SIN pg 3). Where does rain come from?
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Water Cycle http://youtu.be/i3NeMVBcXXU
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Overview Click on one or the other links below for an overview of the water cycle: http://www.epa.gov/ogwdw/kids/flash/flash_watercycle.html http://teacher.scholastic.com/activities/studyjams/water%5Fcycle/
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The earth has a limited amount of water. That water keeps going around and around and around and around and (well, you get the idea) in what we call the "Water Cycle". This cycle is made up of a few main parts: Evaporation or (Transpiration) Condensation Precipitation Accumulation or (Collection) Ground Water Saturation Infiltration
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Evaporation/Transpiration Evaporation is when the sun heats up bodies of water and turns it into vapor or steam. The water vapor or steam leaves the water and goes into the air. Transpiration is when the leaves open their stomata and water evaporates into vapor or steam
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Condensation Water vapor in the air gets cold and changes back into liquid, forming clouds. This is called condensation. You can see this at home when you take a shower and the windows and mirrors in the bathroom fog up. You can also do this by breathing on a mirror.
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Precipitation Precipitation occurs when so much water has condensed that the air cannot hold it anymore. The clouds get heavy and water falls back to the earth in the form of rain, hail, sleet or snow.
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Accumulation When water falls back to earth as precipitation, it may fall back in to bodies of water or land. When it ends up on land, it will either soak into the earth (infiltration) and becomes part of the “ground water” that plants and animals use to drink or it may run over the soil and collect in the oceans, lakes or rivers…. where the cycle starts all over again.
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Lab Activity You are going to work together in groups to create a water cycle. You will have the following materials. ~Cup ~lid ~Water You will need to tell me what does each item represent as a part of your water cycle. And I want you to illustrate the water cycle in your notebook labeling with the materials and the words of the cycle. Include transpiration and runoff in your illustration.
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Water Cycle Song Review Directions: Click the link below for music to go along with the song. Click back to the lyrics and have fun. To stop music just click on the link again and then back to return slide show. http://kids.niehs.nih.gov/lyrics/mountain.htm Water Cycle Song (to the tune of She'll Be Coming 'Round the Mountain) Water travels in a cycle, yes it does. Water travels in a cycle, yes it does. It goes up as evaporation, Forms clouds of condensation, Falls down as precipitation, Yes it does!
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Summary Summarize todays lesson in 2-3 sentences about what you have learned today. Remember this this will be apart of the notebook check.
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