Saturday, November 30, 2019
Person Development And Sports Essays - Joe Paterno,
Person Development And Sports Participating in athletics gives me an edge. As an athlete, I have learned to interact with many different types of people, work together, and win. Striving for excellence teaches you about your capabilities and how, with practice they can expand. Athletics is the best thing that has ever happened to me. Participating in athletics has offered me many opportunities to make friends, assume a leadership role, and take on responsibilities. Playing sports with a variety of personalities has enabled me to become a more mature and well-rounded person. Without sports, I wouldn't be who I am today. Joe Paterno said, "The will to win is important, but the will to prepare is vital." Because an athlete has to practice every day in order to prepare, it becomes apparent that you do not have all the time in the world to accomplish every day tasks. With so much going on in an athlete's life, it is essential to prioritize. Participation in athletics has helped me learn to do just that. By keeping an organized schedule of my responsibilities, and using my time well, I have been able to show my teammates that it is possible to accomplish what needs to be done. On and off the court/field, people look up to me for advice. Being able to help my teammates is a great feeling. Just knowing that others see how hard you work to get things done in your own life makes the world of difference in how you feel about yourself. Despite the number of hours I have dedicated to sports, I have been able to maintain a B average. I have learned that if something is important to you, you can accomplish whatever you need to. My participation in athletics has made all the difference in the world to me. Athletics plays a key role in many student-athletes lives. Athletic participation has given me tremendous energy and has made me feel good about myself. It has made a difference in my life, and I am sure in many other lives, too.
Tuesday, November 26, 2019
My report on Maria Gaetana Agnesi essays
My report on Maria Gaetana Agnesi essays When I think of mathematicians, I think of men and women working contentedly throughout the night, leaving their families, dedicating their entire lives to solving the complex equations and fundamentals of math itself. Now, when I think of Maria Agnesi, I think of someone completely different. Maria was an amazing person. She dedicated her life to helping bring up her siblings, and helping the poor and less fortunate. And with all of that going on, she still had time to go about solving equations and wondering about the fundamentals of math. She solved many amazing and complex equations and was the first woman to be elected as the honorary lecturer and the Chair of Mathematics and Natural Sciences at the University of Bologna. She survived countless hardships, but yet excelled in mathematics and various other studies as well. This was all in a time period when women were looked down upon in most parts of the world for being educated. In the end, when she had given her love for mathematics up, she still had the huge heart to go and help all of the many people who were suffering. She was an amazing person, and she must be recognized not only for her mathematic skills, but also for her amazing personality and kindness towards others. At a time when women were mostly looked down upon, Maria Gaetana Agnesi was lucky enough to be born in surroundings where it was actually considered attractive for women to be scholarly and intellectual. Her father, Pietro Agnesi, was a professor of mathematics at the University of Bologna, so Maria grew up surrounded by constant intellectual discussions, for her house was a place of meeting for the philosophers and mathematicians. She was born to Pietro and Anna Fortunato Agnesi on May16, 1718 in Milan, Italy. They were a wealthy family because of silk trade, and had many children (her father had 21) who were supported very well. The Agnesi family participated in upper class events, particu...
Friday, November 22, 2019
18 Ways for Kids to Practice Spelling Words
18 Ways for Kids to Practice Spelling Words Each week your child is likely to come home with a spelling word list in which they will have a test at the end of the week. Itââ¬â¢s their job to study and learn the words, but simply looking at them isnââ¬â¢t going to do the trick. They will need some tools to help them remember the words. Here are 18 creative and interactive ways to practice spelling words. Make a Spelling Word Origami Fortune Teller These are also known as Cootie Catchers. Itââ¬â¢s easy enough to create spelling word Cootie Catchers and having your child spell the word out loud is very helpful for auditory learners. Make and Use a ââ¬Å"Word Catcher These modified fly-swatters can be a lot of fun to use. Give your child a copy of their spelling words and you might be surprised to see how enthusiastic they are to start swatting the words in all the books, magazines, posters, and papers in the house. Magnetic Letters, Alphabet Blocks, or Scrabble Pieces Just as saying the words out loud can help an auditory learner, literally building the words can be helpful for more visual learners. Just keep in mind you might need more than one set of magnetic letters to spell all the words. Create Your Own Crossword Puzzle Luckily there are free online tools like Discovery Educations puzzlemaker program to help you make puzzles. All you have to do is type in the word list. Use Sensory Play Some kids learn better when all their senses are involved. Doing things like spraying shaving cream on the table and letting your child trace their words in it or having them write them with a stick in the dirt can help cement the words in their memory. Play Spelling Word Memory There are a couple of ways to do this. You can make two sets of flashcards with the spelling words- itââ¬â¢s a good idea to write each set in a different color- or you can make one set with the words and one with the definition. After that, itââ¬â¢s played just like any other Memory game. Trace the Words in Rainbow Colors This is a variation on the old ââ¬Å"write your words ten timesâ⬠homework. Your child can trace each word over and over to remember the order of the letters for each word. In the end, though, itââ¬â¢s a lot prettier than a simple word list. Let Your Child Text the Words to You This way to practice spelling words depends, of course, on whether your child has a cell phone and what the plan includes. With unlimited texting, though, itââ¬â¢s easy enough for you to receive the text, correct the spelling if necessary, and send back an emoticon. Use Sandpaper Letters to Make Spelling Word Rubbings Though it requires a little prep work, this is a fun way to practice the words. Once you have a set of sandpaper letter stencils, your child can arrange each word, place a piece of paper over it, and make a rubbing with pencil or crayons. Make Word Searches This, too, is an activity that is easy enough with online resources. SpellingCity.com is a fantastic site that allows you to make word searches and create other activities for your child. Play Hangman Hangman is a great go-to game when it comes to spelling words. If you have your child use a copy of their spelling list, it will be easier for them to narrow down which word youââ¬â¢re using. Remember, you can always use the definition as a clue! Make up a Spelling Word Song It may sound silly, but thereââ¬â¢s a definite connection between music and literacy. If you and your child are creative, you can create your own silly tune. For the less musically-inclined, try setting the words to the tune of ââ¬Å"Twinkle, Twinkle Little Starâ⬠or another nursery rhyme song. Play the ââ¬Å"Add-A-Letterâ⬠Game This game is a fun way to interact with your child. One of you starts writing the spelling word on the paper by writing one letter. The next one adds the next letter. Since many word lists include words that start with the same sounds, it may be challenging to know which word your game partner started writing. Write a Story Using Each Spelling Word Many teachers ask students to do this with their spelling words for homework, but you can add a twist by giving your child a topic to write or tell a story about. For example, challenge her to write a story about zombies using all their words. Highlight the Words in the Newspaper Give your child a highlighter and a pile of newspapers and time them to see how long it takes for them to find and highlight all the words on their list. Play a ââ¬Å"What Letter Is Missing?â⬠Game Slightly different than Hangman and similar to the Add-a-Letter game, this game is played by writing or typing the words, but leaving a blank space of two for key letters. Your child will have to put in the correct letters. This works particularly well to practice the vowel sounds. Act Them Out Essentially this is playing the game Charades with your childââ¬â¢s spelling words. You can do it a couple of ways- give your child a list of the words and have them guess which one you are acting out or put all the words in a bowl, have them choose one and ask them to act it out. Put Them in ABC Order While alphabetizing the list wonââ¬â¢t necessarily help your child learn to spell each individual word, it will help them recognize the words and, for some children, just moving the strips (on which each word is written) around can help them keep the word in their visual memory.
Thursday, November 21, 2019
Two Fundamental Conditions Determine What Each One of US Can Become Essay
Two Fundamental Conditions Determine What Each One of US Can Become - Essay Example The sense of identity which individuals experience is determined by the moral and intellectual development and it defines what one becomes in life. The nine positions or stages of studentsââ¬â¢ journey during their development were provided by William Perry and have been substantiated by research (West 61). The identity of a student is congruent to his or her attitudes towards the acquired knowledge. The first category of the nine stages of development is that of received knowledge or dualism. The basic principle of dualism explains how individuals experience problems asserting that all problems can be solved. The ability of students to obtain the right solution to every problem hence determines how they experience life and thus what they become. The identities of people are diverse in terms of their achievement in life. Achievers are those who are capable of solving life problems through application of the right solutions. The knowledge received by a person is obviously a basic f actor which influences life achievement because it is through application of acquired knowledge that various tasks are achieved. However, knowledge requires skills and experience, which defines the identity of a person in terms of what has been achieved, and what that individual is capable of doing (DeRobertis 177). The feelings, which people develop about themselves significantly, influence problem-solving abilities because those who believe that they can manage situations and overcome challenges have a different identity from people who are submissive to the inevitable life challenges. Additionally, full dualism is a position presented by Perry that demonstrates the need to ignore solutions, which are not considered right in solving particular problems. As a result, it can be argued that the feelings people develop about their identity can be said to be a result of their ability to select the right solution to problems. People who are not able to learn ways of overcoming challenge s may have bad feelings about their own self. The concept of soft determinism views events and human decisions as being determined but moral responsibility and freedom exists but on the other hand, Jean Paul Sartre argues that the decisions, which determine our existence, are a result of an accident or chance (Odesanmi 85). The decisions, which people make, justify what every individual is in life and the diverse identities, which are associated with the achievement of people in society. It is true that people have freedom to choose what they become in life but at times accidental destinies result from unexpected happenings such as disease or disability which change the identity of a person and the manner in which self-worthy is viewed by himself or other people. In child development, the humanistic approach or theory of teaching emphasizes self-concept arguing that when a child feels good about himself or herself then it shows a good start in acquisition of knowledge (Odesanmi 88). The works of Carl Rogers also demonstrates how the humanistic approach determines what a child becomes in life through evaluation of how a student feels about his or her self-worth. Positive feelings about oneself thus lead to motivated
Tuesday, November 19, 2019
Destructions of Rainforest Research Paper Example | Topics and Well Written Essays - 1000 words
Destructions of Rainforest - Research Paper Example For example, The Amazonian rainforest of South America contributes 20% of the worldââ¬â¢s oxygen. Rainforest contributes to pharmaceutical developments in the world. Flora and fauna in the rainforest are used in production of approximately 25-40% of pharmaceutical products with a minimal percentage of native life tested for use. Recently, human activities have drastically reduced the size of rainforests. Most scientists argue that tropical rainforests face exhaustion through the current deforestation rate between the years 2030-2050 (politics.co.uk, 2012). Background Human civilization has led to degradation of rainforests. The rise in human population and the quest for fertile land for agriculture contributed to loss of most forests. Advancements in civilization during the industrial revolution led to increased demand for wood fuel and fertile land for agriculture. Improvements in transport and communication affected rainforests. Deforestation accelerated in the 20th century. The modern version for destruction of rainforests was for commercial purposes. Commercial logging, deforestation to create space for livestock rearing became reasons for rainforest destruction. Creation of European sugar plantations in coastal Brazil and Caribbean propagated rainforest destruction. ... Controversies Science argues that destruction of rainforests has negative impacts on the earth. Destruction of biodiversity and indigenous culture is promoted. Desertification and land degradation promotes loss in soil fertility and Greenhouse Effect which reduces the planetââ¬â¢s ability to recycle carbon dioxide. Economic and politics play roles in deforestation. Most rainforests are found in developing countries, which are characterized by weak political and social institutions. Developing countries depend on timber, land for agriculture, and other valuable resources for economic development. Palm oil production and soy industries pose a threat to deforestation. Conservation measur es enforced by the developed world do not reflect the interest of developing countries. This controversy has led to the debate on conservation of rainforests as a rich-poor agenda. Guidelines used to curb rainforest destruction are flouted by some governments. A country like Brazil faces criticism by environmental organizations like Worldwide Fund for Nature for continuous logging and deforestation practices. Despite this opposition, the developed world cannot be blamed for international pressure. Surveys conducted reveal that most European countries react meagerly to stop illegal importation of timber and other rainforest products. Among the EU states, UK is singled out as the only state that monitors its sources of timber. Consumption of timber products in developed countries remains to soar. The timber products fetch smart money from developed countries than developing ones (politics.co.uk, 2012). As a result, indigenous communities from rainforest areas suffer from catastrophe d ecline. Mortality rates have increased because of diseases like flu, measles and smallpox.
Saturday, November 16, 2019
Starbucks Logistics Essay Example for Free
Starbucks Logistics Essay To help Starbucks on its way to successfully reach the supply chain goals they redefined and changed their distribution and warehousing strategy too. In March 2011 Starbucks signed the agreement with Green Mountain Coffee Roasters to distribute Starbucks coffee and teas for Keurig single-serving systems (2) Green Mountain Coffee Roasters owns the biggest distribution network for the single-serving systems in North America and Starbucks was able to increase their stock prices significantly after singing this deal. Also, leaving out the old partner Kraft Foods out of the distribution of its coffee in supermarkets and grocery shops Starbucks can generate some surplus income and invest it into business (3). Another example of changes in distribution is the intention of Starbucks to capitalize the distribution channels of Tevanna and continue to open more stores in malls tweaking the model (4). The relationship with their long-standing 3 PL partner company OHL has been redefined after Mr.Schultz returned as chief executive and have been improved enormously implementing day-today and peer-to-peer relationship instead of having a relationship ââ¬Ëwithin arm reachââ¬â¢ as per Greg Javor, Vce President of Global Logistics for Starbucks Coffee Company (1). The relationships were leveraged to the key levels between the partners and allowed OHL to react quickly and in a more effective way to a changing and Starbucks strategy. Also, the improved communication helped to introduce more innovation into the business and now Starbucks and OHL use voice picking technologies, finger scanning technology and introduced the EDI labeling in their warehousing system. All this definitely allow Starbuck to secure a reliable supply of high-quality products and reduce the cost using all the opportunities, technologies and re-defining their distribution and warehousing objectives. Doing it in a smart way and using effectively integration of various activities for reaching the goals the company not only solves the current problems while recovering after the recession hit but builds a new capabilities and opportunities for expanding business for the future. (1) http://www.youtube.com/watch?v=aa_C7-W_r18 (2) http://www.nytimes.com/2011/03/13/business/13coffee.html?pagewanted=1_r=0ref=starbuckscorporation (3) http://www.gezabottlik.com/310/07_Project20120Report_billyjun_Starbucks20Coffee20Report.pdf (4) http://dealbook.nytimes.com/2012/11/14/starbucks-to-buy-teavana-for-620-million/?ref=starbuckscorporation
Thursday, November 14, 2019
Essays --
Trade-studies are used to figure out the best possible approach. Trade studies functions includes improving a particular aspect of the system design to figure out the best approach to be used given a well-defined set of technical choices and parameters [1]. The inputs of the trade study are the DDP of competing technical solutions or just one widely variable solution. These inputs can consist of models of those technical solutions, the stakeholderââ¬â¢s priority ranked operational requirements, system life-cycle considerations, and other data. The output of a trade-study is a decision on which technical route to follow based on the desired characteristics of the system within the alternatives being studied. The trade-study will also document the justification of the decision. The goal of this section is to explain the process that provides the trade study its justifying power, a little more detail on those inputs and outputs, when and how many trade studies are conducted, what t he sensitivity analyses are, and how alternatives are analyzed are related to trade-studies. AoA and trade-st...
Monday, November 11, 2019
Raslila Essay
Raslila has a basic script which has to be followed, but it has enough scope for improvisation as well. Though the emphasis of Raslila is on ââ¬Ëdarshanââ¬â¢ or the visual appeal, it is important to capture the ââ¬Ëbhavaââ¬â¢ or the sentiment. This is done through music, dance and drama enacted by the actors. The various ââ¬Ëraasasââ¬â¢ or dramatic flavors like friendship, conjugal love, parental love, amazement, compassion, humour, chivalry, fury, fear and dread are expressed through this traditional folk form. The range of the villagers who perform raslila is quite vast. They perform legends that portray different stages of Krishnaââ¬â¢s youth. In some areas of Uttar Pradesh raslila is performed only by Brahmin boys in the age group of 13 to 14 years. Even now, many roles of sakhis or mother of Radha and Krishna are performed by men disguised as women. Raslila is also performed by mobile troupes moving from village to village. A traditional raslila usually lasts for three and a half hours. The dance form was originated during the amorous encounters of milkmaids with Lord Krishna. Legend goes that when all the milkmaids started demanding Krishna to be their dance partner, Krishna cast a spell so that each of those milkmaid thought Krishna wasdancing with them. This marked the birth of Raslila. Raslila is generally performed by mobile troupes that roam around village to village. This dance is performed primarily on Rasia, a song form that is entirely based on the theme of Krishna-Radha love. Raslila is a folk tradition that has incorporated elements of Indian classical music, drama and dance. This presentation goes beyond professionalism. Though the dramas have basic scripts there is ample room for improvisation and extemporization, only to return to its formal delineation after the inspiration of the creative force is consumed. The emphasis is on ââ¬Ëseeing through soundââ¬â¢ (darshan). The visual sense is to enhance, but the ultimate ingredient is the ââ¬Ëbhavaââ¬â¢, a particular mood or sentiment conveyed by the music and songs, which along with the action of the drama enable the actors and the audience to personally taste the different dramatic flavors, such as friendship, servitor ship, parental love, conjugal love, amazement, humor, chivalry, compassion, fury, fear and dread.
Saturday, November 9, 2019
Queen Elizabeth Rhetorical Analysis of Tilbury Speech
Queen Elizabethââ¬â¢s speech invigorated the troops and ensured her faith in them and her capability as a leader through the use of repetition, juxtaposition, persuasion, amplification and diction. In the beginning sentence Elizabeth includes herself in the fight by using ââ¬Å"weâ⬠thereby establishing a common ground with the troops. She uses emotional argument to instill a sense of nationalism. Elizabeth repeatedly refers to her people affectionately with phrases like ââ¬Å"my loving peopleâ⬠(line 1) or ââ¬Å"my faithful and loving peopleâ⬠(line 5).By complementing the soldiers, asserting nationalism, and giving them a purpose, she inspires them to proudly defend England. Queen Elizabeth referenceââ¬â¢s God and country throughout the speech, evoking a strong sense of English patriotism through the use of repetition. The Queen juxtaposes her ââ¬Å"weak and feebleâ⬠(line 14) form as a woman, to her strong spirit and bravery, likened to that of a king of England, thus further appealing to the audienceââ¬â¢s nationalism. She elevates her status above the oppressing sexism of the times, she suggests that she is as capable of success as any shrewd, hard-stomached king.When speaking of the defense of the county, the Queen proposes that she herself will fight amongst them, Elizabeth repeats ââ¬Å"myselfâ⬠as amplification of her dedication to her country. Elizabeth places her full trust in her people, denouncing any thought of distrust. Her unwavering trust is a reassurance to her people. She does not feel the need to control and regulate her subjects for fear of rebellion, she gives them the power to defend and protect the homeland. Her people respect her for this and remain loyal to her. The final persuasion is promise of ââ¬Å"rewards and crownsâ⬠(line 21) for those concerned with monetary and influential matters.The Queen promises to reward for valour and virtue on the battlefield. The repetition of ââ¬Å"yourâ⠬ in the closing sentence serves as an appraisal and importance of the troops. Elizabeth uses the value of trust, nationalism, faith, relation, and material reward as a means to convince her troops to defend their homeland. By assimilating herself as their equal and asserting her willingness to give everything for her country, she makes the idea of dying in battle more comfortable to the soldiers. She gives them a cause, and they rise to the occasion.
Thursday, November 7, 2019
Hell-Heaven Essay Example
Hell Hell-Heaven Paper Hell-Heaven Paper Laura Anderson English 102-3 Dr. Spence September 14, 2011 Lost and Found Love They say it is better to have loved and lost, than to never have loved at all. But, what about a love that one must hide and keep secret? Or what about a love that you didnââ¬â¢t even know was there? In ââ¬Å"Hell-Heavenâ⬠by Jhumpa Lahiri, Boudi, a Bengali-American woman is trapped in a loveless marriage. She discovers the loyalty, comfort, and fondness that goes with growing old with another person. Through great friendship and bond, heartbreak and lost love, Boudi discovers that there is more than handholding and giddiness in a marriage. According to Usha, Boudiââ¬â¢s daughter and the narrarator of the story, there was not a lot of love between her parents. Their marriage was an arrangement made in order to keep their parents happy. They had nothing in common, no emotional bond, and were complete strangers before they were married. The only thing that Boudi was grateful for in their marriage was that she did not have to live in the country with her in-laws and their rules. While walking around the streets in Cambridge one afternoon Boudi is approached by a fellow Bengali, who was new to America. He was invited back home with Boudi and Usha to have a proper Bengali meal, and from then on he was a member of the family. Adopted into the family as an older brother-like to Boudi and an uncle to Usha, Pranab Kaku offers an emotional bond that is not seen nor felt from Boudiââ¬â¢s husband. Boudi and Pranab Kaku had many things in common, came from the same neighborhood in Calcutta, and had even shopped in the same local stores. Boudi began to look forward to his visits and would even change clothes, brush her hair, and make extra special meals. Often Pranab Kaku would take Usha and Boudi for rides and they would pack a picnic. They formed an emotional bond in which Boudi had never shared with another man before. These outings would be deemed inappropriate had Usha not been with, but it is clear that Boudi was in love with Pranab Kaku. Usha claims, ââ¬Å"He wooed her as no other man had.. needing herâ⬠¦in a way my father never did. â⬠(P. 642). Although Boudi never proclaims her love for Pranab Kaku until the end of the story, her love is evident when she has jealous tendencies when he starts bringing another woman around. Pranab Kaku starts bringing an American woman around and Boudi is very judgmental about her. She always insisted that the relationship was never going to last. She tells Usha, ââ¬Å"In a few weeks, the fun will be over and sheââ¬â¢ll leave him,â⬠(P. 642). Boudi is very traditional in her Bengali ways, so while she knows she will never be with Pranab Kaku, she doesnââ¬â¢t want him ââ¬Ëscrewingââ¬â¢ up his life with an American woman. She would rather see him with a proper Bengali woman. Pranab seeks approval for his girlfriend, but Boudi does not voice her opinion, except to her friends right before the two of them get married, ââ¬Å"She will leave himâ⬠¦He is throwing his life awayâ⬠(P. 645). Pranab Kaku slowly drifts away after staring his own family. Boudi and her family get the occasional update until Debra (Pranab Kakuââ¬â¢s wife) calls and tells Boudi of a divorce, and Pranab Kakuââ¬â¢s unfaithful tendencies. It was then that Boudi has a realization of the love that her and her husband share. They had grown old together and when their house emptied and it was left to the two of them, their fondness of each other improved. They took care of each other when they were sick and had a mutual respect for each other. Boudi never had to worry about being taken care of or her family breaking up. She had eventually come to peace with broken heart after Pranab Kaku got married and found a new kind of love in her own marriage.
Tuesday, November 5, 2019
Make Hot Ice From Vinegar and Baking Soda
Make Hot Ice From Vinegar and Baking Soda Sodium acetate or hot ice is an amazing chemical you can prepare yourself from baking soda and vinegar. You can cool a solution of sodium acetate below its melting point and then cause the liquid to crystallize. The crystallization is an exothermic process, so the resulting ice is hot. Solidification occurs so quickly you can form sculptures as you pour the hot ice. Fast Facts: Hot Ice Science Experiment MaterialsBaking SodaVinegarConcepts IllustratedSupercoolingCrystallizationExothermic Chemical ReactionsTime RequiredFrom start to finish, this experiment takes about an hour. Once you have the hot ice, you can quickly melt and recrystallize it.LevelBeginner to Intermediate LevelNotesThe chemicals in this experiment are non-toxic. However, because liquids are boiled, adult supervision is recommended. This project is best for middle school and above. Sodium Acetate or Hot Ice Materials 1-liter clear vinegar (weak acetic acid)4 tablespoons baking soda (sodium bicarbonate) Prepare the Sodium Acetate or Hot Ice In a saucepan or large beaker, add baking soda to the vinegar, a little at a time and stirring between additions. The baking soda and vinegar react to form sodium acetate and carbon dioxide gas. If you dont add the baking soda slowly, youll essentially get a baking soda and vinegar volcano, which would overflow your container. Youve made the sodium acetate, but it is too dilute to be very useful, so you need to remove most of the water. Here is the reaction between the baking soda and vinegar to produce the sodium acetate: Na[HCO3]ââ¬â CH3ââ¬âCOOH ââ â CH3ââ¬âCOOââ¬â Na H2O CO2Boil the solution to concentrate the sodium acetate. You could just remove the solution from heat once you have 100-150 ml of solution remaining, but the easiest way to get good results is to simply boil the solution until a crystal skin or film starts to form on the surface. This took me about an hour on the stove over medium heat. If you use lower heat you are less likely to get yellow or brown liquid, but it will take longer. If discoloration occurs, its okay. Once you remove the sodium acetate solution from heat, immediately cover it to prevent any further evaporation. I poured my solution into a separate container and covered it with plastic wrap. You should not have any crystals in your solution. If you do have crystals, stir a very small amount of water or vinegar into the solution, just sufficient to dissolve the crystals.Place the covered container of sodium acetate solution in the refrigerator to chill. Activities Involving Hot Ice The sodium acetate in the solution in the refrigerator is an example of a supercooled liquid. That is, the sodium acetate exists in liquid form below its usual melting point. You can initiate crystallization by adding a small crystal of sodium acetate or possibly even by touching the surface of the sodium acetate solution with a spoon or finger. The crystallization is an example of an exothermic process. Heat is released as the ice forms. To demonstrate supercooling, crystallization, and heat release you could: Drop a crystal into the container of cooled sodium acetate solution. The sodium acetate will crystallize within seconds, working outward from where you added the crystal. The crystal acts as a nucleation site or seed for rapid crystal growth. Although the solution just came out of the refrigerator, if you touch the container you will find it is now warm or hot.Pour the solution onto a shallow dish. If the hot ice does not spontaneously begin crystallization, you can touch it with a crystal of sodium acetate (you can usually scrape a small amount of sodium acetate from the side of the container you used earlier). The crystallization will progress from the dish up toward where you are pouring the liquid. You can construct towers of hot ice. The towers will be warm to the touch.You can re-melt sodium acetate and re-use it for demonstrations. Hot Ice Safety As you would expect, sodium acetate is a safe chemical for use in demonstrations. It is used as a food additive to enhance flavor and is the active chemical in many hot packs. The heat generated by the crystallization of a refrigerated sodium acetate solution should not present a burn hazard.
Saturday, November 2, 2019
Unemployment in Europe Essay Example | Topics and Well Written Essays - 1000 words
Unemployment in Europe - Essay Example A survey conducted in 2006, an assessment of the unemployment rates in various countries in Europe was carried out. As per the results of that survey, unemployment in Europe in general is currently as high as 4% to 17%. (Kurten, 2006). Not only this, the rate of unemployment was assessed to decrease further in the coming years, which is the biggest cause of concern among the youth of the European nations. The same study by Kurten (2006) revealed that till 2004, people below 25 years of age belonging to the European Union faced unemployment in the percentage of over 18.6%. What particularly raises a lot of difficulties in the way of young Europeans getting employed is a lack of sufficient experience that would get them qualified for the jobs. Any journey has to start from a point. Unfortunately, young Europeans can not start because the employers expect them to have considerable experience that is not possible without at least one employer having compromised upon lack of experience and accepted a fresh graduate. Moreover, employers in Europe conventionally judge the skills of a person through his/her CV. This way, many potential employees fail to be even considered for selection simply because the CVs are not convincing enough in terms of experience. In addition to that, employers in Europe generally tend to evaluate the proficiency of an individual through his/her experience with the first job. This can prove very unfortunate for an individual in that even if he/she remained employed with some infamous and unrenowned company for a considerable length of time in the start of his/her career, he/she might have extreme difficulty searching another job after leaving the first one. The consequences can be even worse if the individual got expelled from the first job for some reason, even if he/she was not at fault at all. On the other hand, employees themselves feel demotivated by repeated rejections and expulsions
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