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 Polution definiton: Water pollution is the contamination of water bodies (e.g. lakes‚ rivers‚ oceans‚ aquifers and groundwater). Water pollution occurs whenpollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds. Water pollution affects plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and populations‚ but also to
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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 is good for your Health How many of you‚ when go to a restaurant and the waiter/waitress asks do you want something to drink. How many of you would prefer a glass of water out a fridge filled with soda‚ fruit juices‚ or beer? My guess is that probably no all of you prefer to drink water. I would choose water over the other options. I was not used to drinking water‚ but after I heard of the benefits that water has‚ I started to drink more water. For example when I’m thirsty instead of taking
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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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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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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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Making Hotplates 1. What changes in the work situation might account for the increase in productivity and the decrease in controllable rejects? The changes in the work situation that might account for the increase in productivity and the subsequent decrease in controllable defects are the redesign of the work flow and the increase in the work responsibility assigned to each worker. The redesign of the work flow allowed workers to assemble a unit of the hotplate instead of only a part over and over
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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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