Fresh Water Resources Water - Basic Knowledge Made up of 2 hydrogen and one oxygen We can live without food for 50-60 days‚ but we can only live without water for 1-2 days (3 at most) Water resources are scarce Life without water is why we don’t live on mars Hydrologic cycle Describes the continuous movement and distribution of water on‚ above‚ and below earth’s surface By changing its state‚ water moves among great global reservoirs 3 stages: gas‚ liquid‚ solid (ice) When solid‚ it expands
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Water (Syllabus Topic 8.4) Our planet is rich in water‚ in solid‚ liquid and gaseous forms. Water is essential for the evolution of life and the continued existence of life on Earth. Complete the following revision passage using these words: solution‚ spheres‚ dense‚ solid‚ solute‚ biosphere‚ dissolves‚ gas‚ mass‚ volume‚ solution‚ lithosphere‚ liquid‚ solid‚ gas‚ state Water is a very useful solvent. A solvent is a substance which ____________ other substances. A substance which gets dissolved
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RESPONSE What are their sources of water? Purok Sampaguita Purok Zenia Orchid Purok Waling-waling Purok Ipil-ipil Purok Santan Purok Bougenvilla Purok San Francisco Deep well/water pump 1 2 1 1 Ardina/ Misaco 4 2 1 5 2 3 3 Water Refilling Station 9 7 13 11 10 14 11 The result show that 5% of the respondents of Poblacion 2 extracted drinking water from deepwell/ water pump which 20% of the respondents have drinking water from the local sources (ardina/misaco)
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The Water Cycle Intro How come we never run out of water? After millions of years you’d think that our water supply would be all used up right! It’s not though‚ because of one special process‚ the hydrologic cycle‚ more commonly known as "the water cycle." Main Points This water cycle recycles the Earth’s water supply. In other words‚ the water keeps getting reused over and over. Just think‚ the next glass of water you drink could have been part of a dinosaur’s bath‚ one
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| Desalinization of Water | | | Sara Reed‚ Myp2 | | Chemistry | | * Our world consists of 70% of water‚ from which‚ only 2.5% is fresh water‚ and 1% is drinkable water. Because of this low drinkable water rate‚ desalinization is a very important process which will help us provide a higher percentage rate. * Desalination is a process in which salt water is turned into fresh water‚ by extracting its water and minerals. Desalination is used on many ships and submarines
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The Observation of organism in a drop of pond water (Paramecium) under LPO and HPO Compound Microscope Doreenda A. Sabao BS Biology I-A .Lab 1 August 01‚ 2013 INTODUCTION A pond is a body of freshwater smaller than a lake. Ponds are naturally formed by a depression in the ground filling and retaining water. Streams or spring water is usually fed into these bodies. They can also be man-made ponds which can be created by damming a stream‚ digging a hole. Ponds are usually
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specific heat is one of five properties of water that is important to life. Specific heat is defined as the heat necessary to raise one gram of water by one degree Celsius. Because water’s temperature does not change dramatically when absorbing or losing heat‚ water can absorb or release exceeding amounts of heat (by breaking and forming hydrogen bonds) without affecting living organisms in the water and at the same time helping terrestrial organisms outside the water live easier. For example‚ coastal areas
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Water is the most abundant molecule on Earth’s surface. It is essential for life on Earth. The unique properties of water makes life possible on earth. One property of water is surface tension. Water has a surface tension 2 – 4 times the surface tension of most organic liquids. Surface tension is highest for pure water. This enables insects called neuston to walk and live on the surface of water in low-nutrient water bodies‚ where they would starve if immersed in the water. This anomaly permits
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which tested most effervescent was when the soda water was under cold temperatures and the least effervescent temperature was when the soda water was warm. When left standing without the lid‚ the soda water proved to be least effervescent. As seen in the above graph‚ under cold temperatures‚ ‘Schweppes’ demonstrated that it was the most effervescent‚ but under warm and room temperatures ‘Woolworths’ brand was most effervescent. When the soda water was stirred‚ ‘Regal’ was recorded with the highest
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that profoundly stuck out to me the most was the “water tank‚” lab. The procedure of the lab was to shoot a red laser beam into the tank of water from three different directions. I first shot the laser from above the water surface‚ then from below‚ and finally from the side of the tank. Interestingly enough‚ each direction‚ the laser would bend in the water. The fascinating part of this lab was the idea as to why the laser could not exit the water tank‚ and instead would bend equally in each direction
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