Why is water so important?

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    24-Feb-2016

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Why is water so important?. H2O. -. +. -. What temperature does water boil at? Is heat absorbed or released when you boil water?. Whats a WAPI?. Wa ter P asteurization I ndicator Simple thermometer that shows when water is pasteurized Soy wax melts at pasteurization temperature. - PowerPoint PPT Presentation

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<p>Slide 1</p> <p>Why is water so important?</p> <p>Why does ice float?4</p> <p>+--H2O</p> <p>What temperature does water boil at? </p> <p>Is heat absorbed or released when you boil water?</p> <p>Whats a WAPI?Water Pasteurization IndicatorSimple thermometer that shows when water is pasteurizedSoy wax melts at pasteurization temperature</p> <p>Whats pasteurization?65CDisease-causing organisms in water, milk and other liquids are killed by exposure to heat and the liquid is rendered free from E. Coli, Rotaviruses, Giardia, and Hepatitis A</p> <p>ImportanceWater doesnt have to boil to 100C to get rid of these bacteria (you can stop at 65C)People in underdeveloped countries spend a lot of their day collecting fuel and woodImportanceAbout 1 billion people in the world do not have access to safe drinking waterWater-related diseases are responsible for 80% of deaths in third world countries!WAPIs can be reused</p> <p>Today youll help save lives by making WAPIs!</p>