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  • Solar Hot Water Systems and Materials of Construction

    Solar Hot Water Systems and Materials of Construction

    The materials used in solar hot water systems must be carefully chosen to ensure that the unit will be efficient but also affordable. The efficiency of the conversion of sunlight energy to heat energy of the water depends on the materials of construction and the efficiency of heat transfer of the materials. Solar hot water systems use the processes of conduction to transfer the heat absorbed from the sun to the water and convection to

    Essay Length: 1,883 Words / 8 Pages
    Submitted: November 22, 2010
  • Sci 275 - Water Resource Plan

    Sci 275 - Water Resource Plan

    Water Resource Plan Connie Perkins SCI2 June 25, 2010 Robert Chambless Water is the most natural resource that exists on earth. It is over seventy percent of the earth's surface. Humans know that importance of water but still seem to overlook this when it comes to pollution. We tend to still pollute over rivers, lakes, and oceans. The organisms are dying at a high rate and we are the ones to blame for this happening.

    Essay Length: 830 Words / 4 Pages
    Submitted: July 18, 2010
  • Solar Power

    Solar Power

    About 47 per cent of the energy that the sun releases to the earth actually reaches the ground. About a third is reflected directly back into space by the atmosphere. The time in which solar energy is available, is also the time we least need it least - daytime. Because the sun's energy cannot be stored for use another time, we need to convert the suns energy into an energy that can be stored. One

    Essay Length: 295 Words / 2 Pages
    Submitted: August 25, 2010
  • The Clean Water Act of 1977

    The Clean Water Act of 1977

    As swans drift with the current on a secluded lake in upper Canada they think not of the water they are in but of dreams of the past and wants for the future. On the other hand, seals off the coast of Northern California fear for their lives every day of humans exploiting their natural habitat. Many things can endanger water born animals, and most all of these come directly from humans. The pollutants of

    Essay Length: 745 Words / 3 Pages
    Submitted: August 26, 2010
  • Phosphates in Water Pollution

    Phosphates in Water Pollution

    Phosphates may be created by substituting some or all of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary phosphates contain hydrogen and are acid salts. Secondary and tertiary phosphates, with the exception of those of sodium, potassium and ammonium are insoluble in water. Tertiary sodium phosphate is valuable as

    Essay Length: 880 Words / 4 Pages
    Submitted: August 27, 2010
  • The Chemistry of Natural Water

    The Chemistry of Natural Water

    INTRODUCTION The purpose of this experiment is to explore the hardness of the water on campus. Hard water has been a problem for hundreds of years. One of the earliest references to the hardness or softness of water is in Hippocrates discourse on water quality in Fifth century B.C. Hard water causes many problems in both in the household and in the industrial world. One of the largest problems with hard water is that it

    Essay Length: 2,674 Words / 11 Pages
    Submitted: August 27, 2010
  • Determination of the Water Potential of Potato Tuber Cells

    Determination of the Water Potential of Potato Tuber Cells

    DETERMINATION OF THE WATER POTENTIAL OF POTATO TUBER CELLS. Method. Five sucrose solutions with varying molarity and one control containing distilled water were prepared and poured into test tubes. The potato discs were dried, weighed and added to the test tubes. The discs were then weighed again after a period of 24 hours. The percentage change in mass was then calculated. Apparatus.  Specimen tubes with stoppers x6  1cm3 diameter cork borer  razor

    Essay Length: 1,185 Words / 5 Pages
    Submitted: August 30, 2010
  • Pesticides in Ground Water

    Pesticides in Ground Water

    To start out I will tell you a little bit about the topic. What is a pesticide?A pesticide is a chemical substance used to kill pests, especially insects. A pesticide is also referred to as a biocide. Most pesticides are applied in spray form but occasionaly you will see pesticides that are in powder or pellet form. Pesticides are used on a variety of things, anything from crops like corn, barley, and wheat, to plants

    Essay Length: 380 Words / 2 Pages
    Submitted: September 9, 2010
  • Water Quality

    Water Quality

    Water quality is a complex term to evaluate. The health of a water ecosystem depends on so many things. These parameters are each intertwined and connected. For simplicity there are several mainstream parameters that are used in conjunction with each other to determine the water s quality. These include: alkalinity, ammonia content, carbon dioxide, chlorine, nitrates, dissolved oxygen, phosphates, temperature, and turbidity. The most visible sign of poor water quality remains to be animal

    Essay Length: 886 Words / 4 Pages
    Submitted: September 14, 2010
  • Scrolling Textures: Creating Flowing Water

    Scrolling Textures: Creating Flowing Water

    Scrolling Textures: Creating Flowing water. By Stupendous Man! First I would like to introduce scrolling textures since they haven't been addressed very well. I have obtained all the information I am sharing through trial and error and through dilegent searching of the web turning up pieces of the puzzle here and there. Now the infamous scrolling texture. First of all you have to have a texture in your wad file that has the word "SCROLL"

    Essay Length: 807 Words / 4 Pages
    Submitted: September 15, 2010
  • Keiko the Killer Whale Unhappy in Iceland Waters

    Keiko the Killer Whale Unhappy in Iceland Waters

    KEIKO THE KILLER WHALE UNHAPPY IN ICELAND WATERS Reykjavik, Sept 13 AFP - A project to repatriate Keiko the killer whale, the lovable star of the Hollywood Free Willy movies, to his native Iceland waters one year ago has been a failure, a project spokesman admitted today. Keiko, who was flown home to Iceland from Oregon almost exactly a year ago amid a huge media frenzy that garnered worldwide attention, has still not begun to

    Essay Length: 682 Words / 3 Pages
    Submitted: September 24, 2010
  • Water Pollution

    Water Pollution

    Water Pollution All around the world, countries are fighting to keep their water clean. Whether it's streams, rivers, lakes, or the ocean, countries have taken great measures to maintain a high quality of water for both human consumption and as a key component to the environment. We deal with the pollution problems and then decide on ways to clean it up. This valuable resource is the key to survival. Both plants and animals depend on

    Essay Length: 957 Words / 4 Pages
    Submitted: September 29, 2010
  • Like Water for Chocolate

    Like Water for Chocolate

    Pedro Pedro is a guy who is interested in marrying Tita but cannot due to Tita's mother. Titas mother told her she couldn't marry anyone until her mother died. One day Pedro and his father paid Tita a little visit. Pedro was planning on asking Titas hand in marriage. Instead Mama Elena offered Rosura's hand , Titas older sister, to marry Pedro. Pedro considered this option , his response was "Of course I will keep

    Essay Length: 267 Words / 2 Pages
    Submitted: October 8, 2010
  • Water Pollution and Solutions

    Water Pollution and Solutions

    Water Pollution When you think of problems in the world today, water pollution isn't one that would normally come up. In fact it is one of the worst problems in the world today. Water pollution, by definition, is the contamination of streams, lakes, underground water, bays, or oceans by any substances harmful to living things. All living things contain it, live in it, and most need it to survive, so water pollution is a

    Essay Length: 644 Words / 3 Pages
    Submitted: October 10, 2010
  • Effects of Salt on Freezing Point of Water

    Effects of Salt on Freezing Point of Water

    Blank 1 Blankity Blank Blankity Blank Mr. Blank 4/9/02 Effects of Salts on the Freezing Point of Water In this experiment, you will study the effect that several solutes have on the Freezing Point of water. When a solute is dissolved in a liquid, the temperature at which that liquid freezes decreases, because the molecules of the solute become attached to the water molecules, making it more difficult for the water to form its

    Essay Length: 821 Words / 4 Pages
    Submitted: October 15, 2010
  • Critical Analysis like Water for Chocolate

    Critical Analysis like Water for Chocolate

    An oppressed soul finds means to escape through the preparation of food in the novel, Like Water for Chocolate, "A Novel in Monthly Installments with Recipes, Romances, and Home Remedies," published in 1989, written by Laura Esquivel. The story is set in revolutionary Mexico at the turn of the century. Tita, the young heroine, is living on her family's ranch with her two older sisters, her overbearing mother, and Nacha, the family cook. At a

    Essay Length: 877 Words / 4 Pages
    Submitted: October 28, 2010
  • Water Treatment

    Water Treatment

    "Water treatment" My topic for this paper is on water treatment and in this paper the places where i will be getting my info is and I'm getting info from and encyclopedia an a book. In a modern society, water is one of the things in life we often take for granted. When we turn on the tap, we expect water that is clean, safe and suitable for all household tasks. But in

    Essay Length: 683 Words / 3 Pages
    Submitted: October 30, 2010
  • The Shawshank Redemtion-Red and a Tall Drink of Water

    The Shawshank Redemtion-Red and a Tall Drink of Water

    Red and a Tall Drink of Water In a darkened room two passionate lovers eagerly embrace. Outside a destraught man sits in a truck, boozing it up. The old song " If I Didn't Care " , plays from a tinny radio. The drunk man fumbles with a gun while he tries to get out of the truck. He opens the door of the truck, stumbles, drops and breaks the bottle of alcohol, and the

    Essay Length: 868 Words / 4 Pages
    Submitted: October 30, 2010
  • Mega Farms Effects on Water

    Mega Farms Effects on Water

    Mega Farms Effects On Water Water pollution has been an increasing problem over the last few years. Pollution itself is when a substance or energy is introduced into the soil, air, or water in a concentrate. Pollution comes in many forms; agricultural, urban runoff, industrial, sedimentary, animal wastes, and leeching from landfills/septic systems just to name a few. These pollutants are very detrimental to the environment. Whether they are alone or combined with another form

    Essay Length: 1,266 Words / 6 Pages
    Submitted: October 31, 2010
  • Water Pollution Control

    Water Pollution Control

    Contaminants Threatens Wells, DEP Concludes Jaime L. Garcia 02-01-05 Key Word List Asbury Park Press (,, Environment, New Jersey Water, Contamination, Clean Water Act, Water Pollution Control Issue Statement The contamination of public water wells in Monmouth and Ocean County can lead to negative long terms effects and put a major impact on the cost for water filtration. The accumulation of polluted water being produced in the area requires additional treatments making our county

    Essay Length: 812 Words / 4 Pages
    Submitted: November 1, 2010
  • Ethel Waters

    Ethel Waters

    With all that Ethel Waters has contributed to music and film, it is surprising that she is often forgotten. She was a talented blues singer whose unique style distinguished her from other blues singers and she was a jazz vocalist as well. Her talent extended beyond singing, when she became a dramatic actress who earned award nominations for her performances. What was most remarkable about Waters' performances was how she reconstructed the mammy character into

    Essay Length: 1,679 Words / 7 Pages
    Submitted: November 1, 2010
  • Solar Cells

    Solar Cells

    Solar cells Solar cells today are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type in use today. They do not pollute the atmosphere and they leave behind no harmful waste products. Photovoltaic cells work effectively even in cloudy weather and unlike solar heaters, are more efficient at low temperatures.

    Essay Length: 1,122 Words / 5 Pages
    Submitted: November 2, 2010
  • Water Pollution

    Water Pollution

    Water Consumes almost % of earth's surface and is undoubtedly our most precious natural resource that exists on our planet today. There won't be any living organism on our planet without water. Water Pollution occurs when a body of water is severely affected due to addition of large amount of materials to the water.[Missouri Botanical Garden] Pollutions such as sewage and fertilizers contain nutrients such as nitrates and phosphates. At high levels, nutrients can over

    Essay Length: 1,021 Words / 5 Pages
    Submitted: November 2, 2010
  • Knife in the Water

    Knife in the Water

    Bethany Simpkins Dr. Stege FYS 101.017 27 March 2005 Knife in the Water Roman Polanski uses the camera throughout his film Knife in the Water to represent the numerous differences between the characters and specifically how he wanted them to be portrayed. Polanski uses the camera to bring the audience directly into the tense, energetic, and insightful nature of his scenes. Through these characteristics he is able to display these characters as dysfunctional, maybe even

    Essay Length: 822 Words / 4 Pages
    Submitted: November 3, 2010
  • Breathing Under Water

    Breathing Under Water

    Title: Breathing Underwater Author: Alex Flinn Pages: 236 Summary: Breathing Underwater is about an teenage boy at the age of 16 who is in love with his girlfriend, but does not really know how to treat her right. He claimed to have loved his girlfriend a lot and often did not listen to what he has to say about things and disagrees with her which causes him to get angry. One day he had gotten

    Essay Length: 1,131 Words / 5 Pages
    Submitted: November 4, 2010

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