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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Water scarcity is the lack of sufficient available water resources to meet the demands of water usage within a region. It currently affects around 2.8 billion people around the world‚ on all continents‚ at least one month out of every year and more than 1.2 billion people lack the access to clean drinking water.[1] Water scarcity can be a result of two mechanisms: physical (absolute) water scarcity and economic water scarcity‚ where physical water scarcity is a result of inadequate natural water
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Water is an odorless‚ colorless‚ tasteless chemical compound that makes up well more than half of the human body. In addition to being prominent in the make-up of the human body‚ it also covers all but approximately 30% of the Earth’s surface‚ and can be found naturally in all three states of matter: liquid‚ solid and gas. Water is a covalent bond known most commonly by its empirical form; H2O. It can also be identified by the Lewis Dot Structural form shown in the figure in the upper right corner
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Water Pollution SCI/275 Artina Houston September 27‚ 2010 Aimee Pellet Water pollution is when a body of water is adversely affected due to the addition of large amounts of materials to the water. (www.imbgnet.net) There are four types of water pollutions and I’m going to describe each one of them. I’m also going to tell you the solutions that I can up with and how I’m going to get the government and people involved to help. It is a lot of things that we don’t know about water pollution
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* Water is a natural resource of the utmost importance; nothing on earth can survive without it. Aside from drinking‚ water is used for agriculture‚ cooking‚ bathing‚ cleaning‚ industrial purposes and sanitation. When the demand for water exceeds its supply for an extended period of time‚ scientists refer to the situation as water stress. This serious issue leads to lower quantity and quality of freshwater resources. While most causes are human-related‚ others are uncontrollable. Population Growth
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Quality of Water [Type the document subtitle] 1/8/2014 [Type the company name] Cacey Shrewsberry Quality of Water Cacey Shrewsberry January 8‚ 2014 How are water quality standards determined? Water quality is determined by three major classes that are biological‚ chemical‚ and physical. The biological class has to do with the organisms that are living in the water and how many organisms that there are. Some of the organisms that live in the water have certain physical and chemical
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solutions to the problem of water shortage in Australia. Water is the resource which is under increasing stress for most countries‚ especially for the developing countries. Australia is one of the experiencing typical water shortage countries. In Australia‚ in the recent years‚ water scarcity is a controversial and high-concerned issue since the global warming‚ land desertification‚ population growth‚ increasing use of hydropower and irrigation factors have intensified the water shortage phenomenon
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Water Waves By Anna Introduction Water waves have been around for years; learning about water waves can help you understand the outside world. Water waves can be used in many ways‚ but they can also be harmful‚ too. When were they discovered? Water waves have been around since the creation of the earth‚ but Isaac Newton came up with a theory; after studying waves in about 1687. What is the biggest wave? In 1958 the biggest tsunami wave was recorded. How much harm can water waves really
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