How Do You Remove Salt From Water

Ive been asked How do you remove salt from water? enough times that I suspect finding the answer to the question is a common science assignment. So... how do you do it? You can boil or evaporate the water and the salt will be left behind as a solid. If you want to collect the water, you can use distillation. One way to do this at home would be to boil the saltwater in a pot with a lid. Offset the lid slightly so that the water that condenses on the inside of the lid will run down the side to be collected in a separate container. Congratulations! Youve just made distilled water. When all of the water has boiled off, the salt will remain in the pot. Evaporation works the same way, just at a slower rate. To evaporate water to obtain salt, place the salt water in a wide, shallow dish. This shape offers maximum exposed surface area, which aids evaporation. You can speed up the process by placing the dish in a warm, sunny window or by blowing a fan over it. If you place it outdoors, evaporation is quick on a warm, sunny, breezy day. It will be slower on a cloudy, cold, or humid day. Crystallizing salt from salt water doesnt leave behind pure water, although it does remove a lot of the salt. The remaining liquid will be a less-than-saturated solution.

Social Disparities And The Development Gender...

SOCIAL DISPARITIES AS AN OBSTACLE TO INTERNATIONAL DEVELOPMENT: GENDER INEQUALITY, ABORIGINAL PEOPLE OF CANADA AND HEALTH. President Truman once said that international development is about relieving the suffering of people. It has for goal to make people’s lives better, especially focusing on the difficult lives of the population of developing countries, minorities, children, and women. It’s a multidisciplinary discipline , with multiple actors such as countries, NGOs and international organization like the United Nations. Unfortunately, international development is a hard and long process, and it has many obstacles along the way: A recurrent problem is social disparities. Social inequalities can be found everywhere, in every sphere of society, at a local and at an international level. First of all, gender inequality is an enormous challenge: 1.2 billion of people in the world are living in extreme poverty, and 70% of this number are women. The gap between women’s condition of living and men’s is undeniable. Moreover, some women suffer from a double burden: Being a minori ty and a woman. Indigenous population have, since the European colonization, being discriminated in many ways. We will focus on this paper on the discrimination over indigenous people and the double-burden of aboriginal women, then study the empirical case of health for indigenous women and how is this a development issue. We will first study how indigenous people and above all aboriginal womenShow MoreRelatedIndigenous Development in Canada1706 Words   |  7 Pages Before we analyse the data of the health indicators and data in Aboriginal communities, we must recognise the sheer diversity of the Aboriginal peoples in Canada - who are so dispersed across the nation. 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Factors Contributing to Christopher Columbus’ Voyage Free Essays

Christopher Columbus departed Spain on August 3, 1492 for his first voyage. He stopped at the Canary Islands for a final restocking and left there on September 6. He was in command of three ships known as the Pinta, the Nina, and the Santa Maria. We will write a custom essay sample on Factors Contributing to Christopher Columbus’ Voyage or any similar topic only for you Order Now On October 12, they first sighted land which turned out to be a small island in present-day Bahamas (Minster, 2012a). There are various factors which influenced Christopher Columbus to undertake this voyage. He had a personal interest and determination to find a faster more efficient route to the East Indies. King Ferdinand and Queen Isabella financed his voyage because they were interested in material wealth and converts for Spain. The time period in which Columbus lived also had a great influence since the Renaissance period was a time of exploration and finding new meanings for existence. Christopher Columbus examined mostly southward voyages of the Portuguese into the Atlantic and Africa and thought that one could also sail westward and ultimately reach India. This belief was also influenced by accounts he read from the travel accounts of writer Marco Polo. Columbus may have conceived this idea of sailing west to reach Asia as early as 1481 in a correspondence which he sent to Italian Scholar, Paolo del Pozzo Toscaneli. Apart from proving his theory of traveling westward, Columbus also had a personal interest on the voyage. When King Ferdinand and Queen Isabella approved his voyage, Columbus would become viceroy of all the lands located and he would keep a tenth of all values found (â€Å"Thinkquest,† 2013). When Columbus sighted land, he believed he had reached the Asian islands as is evident in his self-promoted letter which he sent to the King and Queen of Spain. When Columbus developed his theory of sailing westward across the Atlantic in search of a shorter route to Asia, he first submitted his proposal in 1484 to John II, King of Portugal. He wanted the Portuguese to finance his expedition across the Atlantic. The King passed on the petition to the Royal Maritime Commission who rejected Columbus since other ships were already traveling to Africa (â€Å"Ucalgary,† 1997). Columbus then moved to Spain where he petitioned Queen Isabella. The Royal Commission first rejected his plan but he tried once more in 1492 when it was approved. Spain had its own interest in the voyage since it had a desire to spread Christianity and claim new land to expand its empire. They were also interested in the Northwest Passage which Columbus claimed since it would allow them to gather new sources of wealth such as spices, silk and gold. Christopher Columbus was born in 1451 which was the period of the Renaissance. It was a time marked by renewed interest in art, culture and exploration. As mentioned before, countries such as Spain and Portugal wanted to expand their empires and spread Christianity to new lands. This was the perfect period for Columbus to explore new lands since people began to chase secular pursuits and there was greater emphasis on human potential and human progress (Tammy, n. d. ). Knowledge became the key to understanding the world that surrounded human beings and Columbus’ voyage would directly help in increasing this thirst for knowledge. During this period there was increased trade and commercial activity, growth of cities and towns and the expansion of learning all aided in fueling Columbus desire to initiate his voyage. After landing on the island which he named San Salvador on his first voyage, Columbus sailed to other islands including Cuba and Hispaniola. Columbus returned to Spain in March of 1493 and although his first voyage was almost a failure, he lost his biggest ship and did not find the promised route to the west, the Spanish Monarchs were very intrigued with his discoveries. Spain financed three more voyages for him with the aim of establishing permanent colonies (Minster, 2012b). As can be seen there are various factors which contributed to Columbus’ voyage, including his personal interests, Spain’s interest of expanding its empire and religion and the time period in which his voyage took place. Today, Columbus is remembered for both the ‘good and the bad’ since he discovered the Americas but also opened the doors for exploitation, subjugation and slavery. How to cite Factors Contributing to Christopher Columbus’ Voyage, Papers

Youth Violence and Music Essay Example For Students

Youth Violence and Music Essay The prevailing opinion in the media is that listening to violent lyrics tends to lead to violence. This idea permeates nearly all media, news and entertainment. According to the conservative organization Empower America, the issue at heart is such music leading us on a slide toward decivilization (Bennet and Tucker, 1995). The idea being that by glorifying subjects like rape, murder, suicide and homophobia the fear of homosexuals and their lifestyle, these lyrics erode the judgement and thought capabilities of adolescents. In recent history, the popular solution to the problems of our society has been censorship the mandated editing or suppression of the music thought to be at fault. The Parents Music Resource Center PMRC, headed by Pamela Howar and including such big Washington names as Tipper Gore wife of Democratic Presidential Nominee Al Gore pushed for Motion Picture Association of America MPAA style ratings of music (Deflem, 1993). The PMRCs efforts resulted in the widely noticed Parental Advisory warnings. While the adults seem to agree, the youth, adolescents and artists alike, seem to take a different direction. The dominant point of view among younger audiences is that no one is responsible for teen violence but those who act out. But there is a second view. We are all equally guilty for the violent acts of youths (Manson, 1999). Such violent acts, while increasingly spoken about by news and entertainment media, the Centers for Disease Control report that violence in adolescents is down (Youth 2000). Given the perceived impact of violent lyrics, and the immense popularity and friction of this issue, it is surprising that little or no actual study has been done to back up any of these claims (Hogan et al, 1996). The ultimate goal of my research is to determine whether there is a real, causal connection between violent lyrical content in music and violent feelings in teens. However, given the monetary and temporal constraints, this ultimate goal will be broken into several steps. The first step, which is relevant to this class, will ask, Do teenagers habits affect their belief on this subject? The second will ask Do teenagers feel that lyrically violent music causes societal violence? This topic deals with two central things: Real world violence, and violence in music lyrics. Music lyrics, as a part of the vast media, are beholden to many of the same situations. However, if research on media violence such as violent video games, movies, and music lyrics is to be held credible, it must be done properly. There is, however some question as to whether the research is being done in a scientifically correct manner. David Gauntlett says that the effects model does research the wrong way round. Media effects research has quite consistently taken the wrong approach to the mass media, its audiences, and society in general (Gauntlett 1999). Video games players, for example, are often discussed as undiscriminating, brainless suckers by people who do not seem to have attempted to understand the meanings and the appeal of these games, and whose views are supported (if at all) by inadequate, contrived and predetermined research. Like the critics of TV and movie violence, they are guilty of looking at this perceived problem backwards by starting with the games and then trying to make links to actual crimes, rather than by starting with real criminals and seeing if they seem to have been centrally motivated or affected by video games (Gauntlett 1999). The backwards approach involves the mistake of looking at individuals, rather than society, in relation to the mass media. The narrowly individualistic approach of some psychologists leads them to argue that, because of their belief that particular individuals at certain times in specific circumstances may be negatively affected by one bit of media, the removal of such media from society would be a positive step. This approach is rather like arguing that the solution to the number of road traffic accidents in Britain would be to lock away one famously poor driver from Cornwall; that is, a blinkered approach which tackles a real problem from the wrong end, involves cosmetic rather than relevant changes, and fails to look in any way at the bigger picture (Gauntlett) 1999). So, Gauntlett says, .