Name: __Huram-abi ________________________ Date: 9/20/2012______________________ Student Exploration: Mineral Identification Vocabulary: crystal‚ density‚ hardness‚ homogeneous‚ luster‚ mass‚ mineral‚ streak‚ volume Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Suppose you find a yellow piece of metal in a stream. How could you tell if it is real gold? _To tell if it’s real gold check out it’s density‚ find it’s mass and volume‚ see if it’s luster
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Experiment: Titration of Acidic Household Substances Objective The purpose of this experiment is to determine the molarity and weight/volume percent of acetic acid in vinegar by titration with sodium hydroxide to a phenolphthalein endpoint. This procedure may be modified by titrating an acidic beverage such 7-up or Sprite. Equipment and Material (Total Time 60 – 90 min.) Variety of Berel Pipet Long glass stirring rod Wash bottle 10-mL graduated cylinder 100 mL beakers Material
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Jupiter Research: Study on online music piracy and purchasing habits 13 November 2009 th There has been high-profile debate in the media about whether file-sharing has a positive or negative impact on music sales. The study below‚ which is original text from Jupiter Research‚ analyses in more detail the different spend of file-sharers‚ digital and physical music purchasers. Analysis Of The European Online Music Market Development And Assessment of Future Opportunities Music Sharers Are Less
Free File sharing Music industry ARM architecture
“The oldest and most often invoked argument is that art‚ whatever its form‚ is a public good” (Ginsburgh‚ 2001‚ p. 759). Why? Because as the author referred‚ it can benefit not only those who attend or see it‚ and who pay for it‚ but also all other consumers‚ who do not necessarily wish to contribute voluntarily to its production or to its preservation‚ in the case of museums‚ so they are free riders. We can easily understand that artistic activities also produce externalities to all civilization
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Effects of Water Pollutions Water is important for the existence of life on earth. All organisms require it and aquatic plants and animals live their life in water. Water pollution occurs when you have toxins and pathogens present in water in dangerous amounts than permissible. One of the worst forms of pollution in the ecosystem is water pollution. When you hold a glass of water it may appear to be clean and clear. But the fact is there are millions of microscopic pollutants suspended
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Just imagine being forced into a rail car knowing that you are on your way to the place you are going to die‚ the scared feeling that you may never see your family or friends again is the way that millions of Jewish people felt during the Holocaust on their way to the Auschwitz concentration camps. Auschwitz polish prisoner Pavel Stemin said‚ “Death‚ death‚ death. Death at night‚ death in the morning‚ death in the afternoon. Death. We lived with death. How could a human feel?” (Laurence‚ 2005)
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the visual aspects of art and architecture‚ line‚ shape‚ color‚ light‚ texture‚ space‚ math‚ volume‚ and composition. Style – the combination of form and composition that makes a work distinctive. Content – includes subject matter or meaning and a work of art. School of artists – a group of artist usually working at the same time and sharing similar style influences and ideas Iconography – identify and studying and subject matter and conventional symbols and works of arts. Representational –
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Controlled assessment- How concentration affects the rate of reaction between sodium thiosulfate and hydrochloric acid. SA): Strategy Scientific knowledge Sodium thiosulfate (Na2S2O3)‚ also spelled sodium thiosulphate‚ is a colourless crystalline compound that is more familiar as the pentahydrate‚Na2S2O3·5H2O‚ an efflorescent‚ monoclinic crystalline substance also called sodium hyposulfite or “hypo.” Sodium thiosulphate has a melting point of 48 degrees C. It is freely soluble in water. It contains
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The 21 Irrefutable Laws of Leadership is a book by Dr. John Maxwell wherein he summarizes the leadership characteristics that he has learned over more than 30 years. People continually asked Dr. Maxwell‚ “If you could take everything you’ve learned in all your years of training in leadership and boil it down to a short list what would it be?” The 21 Irrefutable Laws of Leadership is his answer to that question. In this book‚ Dr. Maxwell communicates each law very clearly and explains it in a
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Science‚ Technology and Medicine in Colonial India Interest in the science‚ technology and medicine of India under British rule has grown in recent years and has played an ever-increasing part in the reinterpretation of modern South Asian history. Spanning the period from the establishment of East India Company rule through to Independence‚ David Arnold’s wide-ranging and analytical survey demonstrates the importance of examining the role of science‚ technology and medicine in conjunction with
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