WATER OUR LIFELINE Water is a transparent fluid which forms the world’s streams‚ lakes‚ oceans and rain‚ and is the major constituent of the fluids of living things. As a chemical compound‚ a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water covers 71% of the Earth’s surface.[1] It is vital for all known forms of life. On Earth‚ 96.5% of the planet’s water is found in seas and oceans‚ 1.7% in groundwater‚ 1.7% in glaciers and the ice caps of Antarctica
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know that water occupies 75% of the Earth’s surface. Water is a component of living cells and every cell in a living organism is made up of almost 75% water and this let the cell to function normally. Life would not exist without water. Water gives habitat meaning the hydrosphere gives a significant place for many animals and plants to exist. Water takes a long time to heat up and it also takes a long time to cool down. This is important in helping to control temperatures on earth so that they
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One property of water that makes life possible on earth is its solid state‚ (frozen).Water is less dense as a solid than it is as a liquid‚ which enables ice to float. When its temperature falls below 4 degrees Celsius‚ the molecules slow down to a point where they are not moving fast enough in order to break the hydrogen bonds‚ therefore making the bonds more stable. The bonds then are farther apart‚ making the solid less dense. Water is one of the few molecules that has this property‚ allowing
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Water has importance inside cells and externally. This may be because it has interesting chemical and physical properties; it can be found naturally in all three of its states. However its molecules are bonded together by hydrogen bonds‚ this raises its melting and boiling points‚ i.e. its boiling point would be -120¢ªC rather than 100¢ªC. Also because it contains slightly negatively charged oxygen atoms and slightly positively charged hydrogen atoms making it polar. <br> <br>Water has been called
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Water is a chemical compound with the chemical formula H 2O. A water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water is a liquid at standard ambient temperature and pressure‚ but it often co-exists on Earth with its solid state‚ ice‚ and gaseous state‚ steam (water vapor). Water covers 71% of the Earth’s surface.[1] It is vital for all known forms of life. On Earth‚ 96.5% of the planet’s water is found in seas and oceans‚ 1.7% in groundwater‚ 1
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THE ESSENCE OF WATER. The fact that water is a source of nature in its true natural form and the main and important characteristic of it is because of its very versatile form truly inspires me. If we look at the other elements of earth like fire‚wind and soil we see that water is the most versatile of all the elements. We put the water in a cup it takes the shape of it‚ we heat it up it boils up extremely and then we cool it‚ it turns into ice. Although we put this element through a lot of extreme
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Physical properties can be seen‚ touched‚ or even measured without the identity of the substance changing. The identity of the substance can be its shape or color. Three physical forms of a substance are solid‚ liquid‚ and gas. Water for example can transform into all three physical forms without its identity changing. The characteristic of water as a shape can be used as an example of a physical property. Water can be frozen into ice‚ vaporized‚ or liquidized. The shape of water as a solid is
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A Long Walk to Water by Linda Sue Park‚Salva is a young boy is living through a Civil War in Southern Sudan. Salva gets separated from his family and has to walk for years to refugee camps in other countries in Africa. Salva was one of the lost boys to come live in America. After visiting his sick father in Sudan‚ Salva gets inspired to bring clean water to the people who need it in Sudan by digging wells for them.Salva relies on his family‚ outside help‚ and perseverance to survive. Family can help
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Salva struggled to survive. He hit rock bottom‚ But he survived. What kept him going? What did he do? Linda Sue Park (author of A Long Walk To Water) wrote a book based off a real person named Salva. Salva was one of survivors of the lost boys. She made the book to show his life and the struggles he went through. The top 3 factors of his survival were him going to America‚ finding his uncle and just keep walking. The most important factor of Salva’s survival is him going to America. Salva thought
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Water Quality and Contamination Research and its Importance Ursurla L. C. Waller SCI 207 Dependence of Man on the Environment Professor Wayne Davis 2014 September 20 Abstract This report analyses the ability of ordinary substances to pollute water sources‚ filtration techniques‚ as well as the quality of tap and bottled waters. This report discusses the availability of clean water sources‚ factors that affects the quality of water‚ agents of water contamination‚ and how the earth naturally filters
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