HOMEMADE BOUNCY POLYMER An Entry for the 2009 DIVISION SCIENCE FAIR TEAM CATEGORY CHINKEE MAE M. ALANZALON Grade VI – Jose Rizal DAN ALFONSO VALENTIN V. SORIA TRISHA KATE E. GENERAL Grade V – E. Aguinaldo Researchers Mr. MARK ANTHONY R. CUA Research Adviser Marcela Marcelo Elementary School Pasay City October 2009 CHAPTER 1 INTRODUCTION One might think that chemists are a bunch of boring scientists who wear lab coats and look at beakers all day‚ but did you know that many toys you play with
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BEKİR ÇAKIR SECTİON:75 DATE:28/12/12 ID:1875434 How computers affected people’s daıly lıfe People are affected by many inventions. These inventions many bring slight changes our life. However‚ Humanity is affected extensively by three inventions: invention of devices‚ invention of machine‚ and invention of computer. How can people be affected in their daily life by computers? Computer has affected our lives in three ways. The computer changed our communication habits. Now‚ when people want
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French author Jacques Gernet’s goal when he was writing Daily Life in China was simply to provide the reader an insight to how everyday Chinese civilians lived and the traditions and rituals they performed‚ while supplying background information on the political system‚ city‚ and social organization. His focus was “...owning to the vastness of the Chinese world‚ its regional diversity and ceasing historical development‚ some more precise delimitation of the field of study was found to be necessary
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first plastics made from synthetic components‚ Bakelite was used for its electrical non-conductivity and heat-resistant properties in electrical insulators‚ radio and telephone casings‚ and such diverse products as kitchenware‚ jewelry‚ pipe stems‚ and children’s toys. HISTORY: HOW IT CAME INTO BEING. Dr. Baekeland had originally set out to find a replacement for shellac‚ made from the excretion of lac bugs. Chemists had begun to recognize that many natural resins and fibres were polymers‚ and Baekeland
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is the following : { NH – (CH2)5 – CO }n and M = 113 g/mol PD = 60‚000 / 113 = 531 The repeat unit of Nylon 6‚6 ( polyhexamethyleneadipate ) is : { OC(O) – (CH2)4 – CO – NH – (CH2)6 – NH } and M = 226 g/mol PD = 60‚000 / 214 = 265 -a) The polymer formed by the polycondensation of 2 moles of terephtalic acid and 2 moles ethyleneglycol is poly(ethyleneterephtalate) with the following repeat unit : { OC – C6H4 – C(O)O – CH2 – CH2 – O }n and M = 192/2 = 96
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Stress should be eliminated from daily life Modern life brings both advantages and disadvantages for human. It makes our life become more convenient and comfortable but there are many disadvantages such as overpopulation‚ pollution‚ social evils and diseases. We generally use the word stress when we feel that everything seems to have become too much‚ we are overloaded and wonder whether we really can cope with the pressures placed upon us. Nowadays‚ stress is a popular phenomenon‚ and the
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Oil And Gas Conservation Oil and gas conservation effects your daily life in several ways: 1) As you conserve you own consumption of oil and gas‚ your fuel bills are reduced 2) Oil and gas conservation tends to reduce demand for oil and gas and this‚ in turn‚ tends to lower the price of fuels and products made from oil and gas (like plastics) to the consumer. 3) Conservation of oil and gas usually also means less burning of them as fuels‚ which‚ in turn reduces the amount of pollutants
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Introduction…………………………………………………................................03 How had science and technology changed the nature of warfare?......................................................................................................04 How awful was daily life for soldiers in the trenches?…………………………………………………......................................10 Why was defending the Ypres Salient so difficult?………………………………………………….......................................15 Why was the Battle of the Somme such a disaster
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Herbs as a Supplement in Daily Life. The herbs generally are natural food and medicine based from growing plants‚ fungus‚ shrubs‚ and trees. Then‚ they are usually easy to planted and grow without complicated care. It just needs enough sunrise‚ good seeds‚ and good soil. Moreover‚ they also exist in the forest. For example‚ ‘Tongkat Ali’‚ ‘Kacip Fatimah’‚ ginger‚ mint leaves‚ garlic‚ and others. There are three advantages of taking herbs as a supplement in daily life. The first advantage
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COMPANY PROFILE: Murali Krishna polymers are established in the year 1997. It involves in the operations related to production of plastic bags and flexo printing. The owner of this company is M.S. Muralidhar. He identified the growth in the usage of plastic bags across the country. The idea of starting a firm with manufacturing of plastic bags intrigues him. He found the inappropriate number of plastic producing firms irrespective of its potential market in southern India at that time. As a result
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