WATER CONSERVATION INTRODUCTION: Water is essential for life on earth. Water is needed for growing food‚ keeping ourselves clean‚ generating power‚ controlling fire and most importantly to stay alive! This list is simply non-ending. This shows that water is an integral part of our daily life and we are heavily dependent on it. Water conservation – Refers to reducing the usage of water and recycling of waste water for different purposes such as cleaning‚ manufacturing‚ and agricultural irrigation
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How water is purified in water treatment plants Pre-treatment 1. Pumping and containment – The majority of water must be pumped from its source or directed into pipes or holding tanks. To avoid adding contaminants to the water‚ this physical infrastructure must be made from appropriate materials and constructed so that accidental contamination does not occur. 2. Screening (see also screen filter) – The first step in purifying surface water is to remove large debris such as sticks‚ leaves
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Making Water Turbines Most Energy Efficient How does a wind turbine’s output vary with wind pressure (height of water)‚ the flow rate‚ size of the motor‚ and type of blade? Introduction There are many types of energy used today: Fossil fuels‚ coal‚ nuclear energy‚ solar energy‚ geothermal energy‚ hydrogen energy‚ hydroelectric energy‚ wind energy‚ and biofuels and biomass. Non-renewable energy sources such as fossil fuels and coal are diminishing since it cannot be recycled‚ unlike wind energy
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Novel Study Annotated Bibliography Gruen‚ Sara. Water for Elephants. Algonquin Books of Chapel Hill: Chapel Hill‚ North Carolina‚ 2006. The story follows Jacob Jankowski who was an old man living in a nursing home‚ as he looks back about a time that defined his life. In the 1930’s‚ 23-year-old Jacob’s life changed drastically. One minute he was finishing his Veterinarian degree at Cornell and planning to follow his father in the family business. The next his parents passed away in a car
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SPEECH ON WATER Water is essential for life’. It keeps our body hydrated‚ it is healthy‚ and helps carry oxygen to our brain (blood cell). Without water‚ we would all shrivel up and die. After all‚ our body is made up of 70% water! But there’s more to water than you think. In the next few paragraphs‚ you will learn more about water than you would ever want to and find some amazing facts! You all know that humans are made up of 70% water‚ right? Our lungs‚ brain‚ and heart all are made up of mainly
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House Gas emissions‚ but very few report their water footprint. Water is as important as the air we breathe. We may be able to survive without electricity‚ but not without water. According to the US Environmental Protection Agency‚ an average US family of four uses about 400 gallons of water from their daily activities such as: taking shower‚ laundry‚ washing dishes and flushing the toilet [1]. This water consumption is without taking into account the water that goes into the food they consume‚ clothes
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Water scarcity involves water stress‚ water deficits‚ water shortage and water crisis. The concept of water stress is relatively new. Water stress is the difficulty of obtaining sources of fresh water for use‚ because of depleting resources.Some have presented maps showing the physical existence of water in nature to show nations with lower or higher volumes of water available for use. Others have related water availability to population. A popular approach has been to rank countries according to
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Chennai NATIONAL SCIENCE SEMINAR WATER CRISIS ON THE EARTH PROBLEMS AND REMEDIES Submitted by A. NAVEEN ANTO‚ Sri Jayendra Golden Jubilee School‚ Sankarnagar - 627 357‚ Tirunelveli‚ Tamilnadu. Date : August 27‚ 2008 CONTENT ♦ INTRODUCTION ♦ WHAT DO WE MEAN BY WATER CRISIS? ♦ WHAT CAUSES & TRIGGERS THE WATER CRISIS ♦ IMPACTS OF WATER CRISIS ♦ REMEDIES FOR WATER CRISIS ♦ CONCLUSION WATER CRISIS ON THE EARTH PROBLEMS AND REMEDIES INTRODUCTION Water the elixir of life feeds the planets
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WATER CYCLE Water Cycle‚ also known as hydrologic cycle‚ is a process that is constantly recycling the Earth ’s supply of water. This is important because humans‚ animals‚ and plants all need water to survive. It is controlled by the sun‚ which produces energy in the form of heat. This heat energy causes the water in the world ’s oceans‚ lakes‚ etc. to warm and evaporate. As the water is heated‚ it changes its phase from liquid to gas. This gas is called water vapor and this process is called
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Save Water Speech 1 Good morning to the excellencies‚ respected teachers and my dear colleagues. I would like to speech on a very important topic “save water” today at this special occasion. As well all know that how the water is important for the continuation of life on the earth. It is the most basic need of everyone (human being‚ animal‚ plant and other microorganisms). Water is the unique source of life‚ without water we cannot imagine the life here. Life on other planets is not possible just
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