Friday, January 31, 2020

Changing a Five Day School Week to a Four Day School Week Essay Example for Free

Changing a Five Day School Week to a Four Day School Week Essay Changing a five day week to a five day week to a four day week (For schools) Why is our traditional five day week changing to a four day week? Any reason? A four day week would result in extra hours of work, interference with family schedules and much more. In any case what’s the problem with the five day school week? The customary five day school week should stay without any alterations. There are many reasons that support the understanding of having a five day school week instead of changing it into a four day school week. Firstly, people are already used to the five day week and might have to put some changes to their regular habits. Secondly, parents at work would have a very hard time to find a person to take care of their child (babysitter); this would be a big problem for families with no money. In the third reason I speak about the kids interest areas. It would be a loss of time of their practice of their extra-curricular activities that they really enjoy from their choice classes. There are many reasons that support the understanding of having a five day school week instead of changing it to a five day school week. People are already used to the five day school week since centuries and there have not been a lot of problems with the system, so why change it right now? The four day week would make a big difference (bad changes) in their sleeping and eating habits(Proved out by the Canadian center for occupational health). Parents at work would also have a hard time finding a babysitter. They would have a hard time leaving their children alone at home. This would be a big problem for children and families who are poor and cannot afford a person to take care of their children during work. Everyone knows that education for children has an impact on the future of this country. Our education/ learning system has been going on pretty good or let’s just say progressing every day and taking a brake would obviously low the percentage down of getting all these things we hope for. Lots of high schools, middle schools and elementary schools have game time/P.  E which makes children active at least for sixty min. a day. Less activity time can lead to unhealthy diseases such as obesity. Many activities such as orchestra, robotics and arts are chosen by the child with their own interest. If a parent cannot afford a class (outside school) it would be hard for them to enjoy the lost time of the choice class they chose. Now I would like to add on more to my first reason of having a five day week instead of changing it to a four day week. All of us have been using the ive day week for centuries then why change it now? The four day week might bring a sudden change in sleep habits which in turn may cause drowsiness, laziness and other factors during working hours. The four day week might also bring sudden changes in eating habits from more regular parties and unhealthy food.. When you have another weekend, many people oversleep. You might also develop certain health problems from oversleeping on an extra holiday such as diabetes, heart diseases, stress, anxiety, apnea and many more. Another day of a holiday means more partying, and mainly eating more unhealthy food. Problems that you might develop from eating unhealthy food are: Obesity, Diabetes, bulimia, binge eating and many more. There are people out there fighting for a four day week. Let see a few of the other side’s arguments. Some say that having a four day week might help save gas money for the district. However school buses are used on weekends as a public transportation even more which in turn might get the gas costs higher instead of saving a whole bunch of money. Parents also say that children would have extra free time if allowed an extra weekend. But guess what? 70% of all kids in America would prefer to have school instead of an extra weekend. School is a place where you could interact with old friends and make new friends! Fun activities compiled with learning. What would be a better option? In conclusion I would want the school board to consider the decision of having a five day school week because of multiple reasons I told during my essay. Such as people are already used to the five day school week, poor parents and normal parents might have a hard time at work worrying about their children at work and having a babysitter, less education for the future, less activity time, less extra-curricular time and having less face-to-face time with the teacher. Therefore as a call to action I would go to the school board/superintendent and reject all proposals of having a four day week because of these several reasons. I would also write a petition/proposal regarding to keep the 5 day school week the same. This petition would include other parents signatures who agree with me.

Wednesday, January 22, 2020

The Touch, The Feel Of Hemp-- The Fiber Of Our Lives :: essays research papers

The Touch, The Feel of Hemp-- The Fiber of Our Lives Imagine how useful a Swiss Army Knife with more than 2500 functions would be if it was compact enough to be manageable. And imagine that this â€Å"knife† could help solve some very important problems that plague our environment as well as our society. Now think if the production of this tool was to be banned by the government. There would have to be some very strong reasons for the government to deny this extremely useful product to the people it governs. If the reasons for this interdiction were not very strong it would be absurd to think that the ban would last for an extended period of time. Well some people will be surprised to know that this very injustice is happening as we speak right here in our wonderful United States of America. The injustice I am describing is our governments ban on the cultivation of the hemp plant in our country. In this article I hope to inform the uninformed and reinform the misinformed on the subject of the hemp plant and how it would benefit us to encourage its widespread production. Industrial hemp is only a cousin of the drug producing plant, marijuana, but as far as the government is concerned they are the same things. Even though there is no chance a person could get high from smoking hemp, the government still prohibits its growth. Hemp does contain some THC, the chemical in pot that makes you high, but only a trace amount. To get the same buzz that a person would get from smoking one marijuana cigarette you would have to smoke twenty or thirty rolled from hemp and you would have to do in about the same amount of time. Common sense tells us that smoking this much of anything in a short amount of time would make you sick. If you smoke some industrial hemp you will only get a headache, and if you smoke more you will only get a bigger headache. The government has the same reason for the banning marijuana as they do for the ban on hemp, when hemp only contains trace amounts of the intoxicants that makes it illegal. Hemp can be compared to non-alcoholic beer, nut meg, cough syrup and mouthwash. NA beer and mouthwash contain alcohol, but nobody drinks them to get drunk. Nutmeg and cough syrup contain some psychoactive substances, but nobody uses these common products to get high.

Tuesday, January 14, 2020

Chemistry IA design format Essay

1.0.0- Introduction 1.0.1- Focus Question- If the mass of magnesium reacted with hydrochloric acid is changed will the temperature of the solution increase and the total mass decrease. 1.0.2- Hypothesis- If the mass of magnesium that is reacted with hydrochloric acid is changed the temperature of the solution will increase and the total mass will decrease. 1.0.3- Theory- The reaction between magnesium and hydrochloric reaction is written as follows, Mg(s)+ 2HCL (aq)—— (MgCl2(aq)+H2 (g) (Ng, 2008, pg 1). This reaction goes through two distinct changes that both have an effect on the energy change in the reaction. Enthalpy refers to changes in energy in a compound (Assut, 2008, pg 1). Two distinct changes can occur. An endothermic change occurs when the energy being absorbed is grater then the energy being released whereas and exothermic change is when the energy being released is greater than the energy being absorbed. Energy is absorbed when bonds are broken and energy is released when they are formed (Newton, 2008, pg1). Energy change cannot be directly measured. However energy change affects the physical force of heat. Therefore a heat change is indicative of an energy change. If the heat increase in the solution the change will be exothermic and if the heat decreases the reaction will be endothermic. In respects to the formula Magnesium forms an ionic bond with chlorine to form the salt magnesium chloride. When this bond is formed energy is released in the form of an endothermic change, this energy drop would be quite small however because the bond is ionic and does not take much energy to create since magnesium and chorine bond easily. However the second change is that hydrogen breaks off from chlorine in the hydrochloric acid and hydrogen is released as a gas. The breaking of bonds would absorb energy therefore forming an exothermic reaction. Hydrogen and chorine however form a very strong covalent bond. Covalent bonds form between atoms with similar electronegative forces and are there for take a lot of energy to break ( Anissimov, 2008, pg 1) Since the endothermic change is weak and the exothermic change is strong it can be predicted that the overall change will be exothermic and therefore the solution will heat up. Temperature change in a chemical reaction can be measured with a device known as a calorimeter. A calorimeter measures the heat of the solution before the reaction has occurred and then again after the reactant has been added (Whel, 2008, pg 1). These two values can be mathematically manipulated to find the relative change in temperature. If two of the same substance have different masses it means there is more of the one substance. In a mass of a substance there is a certain amount of material that can be reacted. By increasing mass the amount of substance that may be reacted increases. Therefore if mass increased the amount that of substance reacted will increase as well providing there is enough of the reactant. This will in turn increase the energy change. Also if more of the substance reacts with the reactant more of the reactant will be used up. This means that if the magnesium is increased there will be more reaction with hydrochloric acid; this means that more hydrogen will be released as gas and the total mass of the solution will decrease. Henceforth the change in heat should be greater if their entire solution is lighter as more of the hydrochloric acid has been reacted and hydrogen lost as a gas. How the reaction works (Figure 1) Mg(s)+ 2HCL (aq)—— (MgCl2(aq)+H2 (g) 1.1.0- Controlling variables 1.1.1- Variables (Table 1) Variable Type of variable Method for control Mass of magnesium Independent Mass will change for each sample, sample range will be 2g, 4g, 6g, 8g and 10g Heat change Dependent This will be calculated by subtracting the final heat of the solution by the initial heat of the solution. The data will be gathered by using a calorimeter Change in mass in solution Dependent This will be calculated by measuring the weight of the solution and subtracting the weight of the calorimeter and the magnesium. The original mass not including calorimeter and the magnesium will then be subtracted by this value to mind the change of mass in the solution. Initial temperature Controlled The temperature of the solution will be heated to 25c and the reaction started immediately. External temperature Controlled The room temperature will be controlled at 24c Volume of hydrochloric acid Controlled The volume of hydrochloric acid will be 40mls per sample. Measuring apparatus Controlled A 50ml calorimeter with electronic thermometer and a scale with milligram accuracy. Time of experiment Controlled The experiment will be ended when reaction is fully complete and reaction will be given 10 seconds to calibrate before results are taken Replications Controlled Standard 5 replications of each sample will be performed. 1.1.2- Control used in comparison- The reacted samples will be compared against hydrochloric acid with no magnesium that is also 25 degrees Celsius. Since the temperature remains constant there should be no energy or mass change, this would mean that on a graph this would represent a straight line which others samples with energy changes (heat changes) could be compared to. – Bibliography Ng, H.N, 2008, Acid reactions, Vat.Gov.Un, Accessed 21/08/09, http://vat.maharashtra.gov.in/communicationcenter/QueryAnswerSubjectwise.php?start=3090&subId=0000000007. Asset, M.A, 2008, Chemical Enthalpy, Nasa.gov, Accessed 21/08/09, http://www.grc.nasa.gov/WWW/K-12/airplane/enthalpy.html Newton, R.N, 2008, Energetics and bonding, Unknown sponsor, Accessed 21/08/09, http://www.webchem.net/notes/how_far/enthalpy/enthalpy_diagrams.htm Anissimov, T.A, 2007 Chemical bonding, Simon Frasier University, Accessed 21/08/09, http://www.chem1.com/acad/webtext/chembond/ Whel, L.W, 2006, Calorimeters, Stanford University, Accessed 21/08/09, http://www2.slac.stanford.edu/vvc/detectors/calorimeters.html Acknowledgments The procedure of this experiment is a adaption of a previous class experiment. The source of the procedure is unknown, so thanks to Miss Crook for the inspirations for this design.

Monday, January 6, 2020

Biography of Steve Jobs, Co-Founder of Apple Computers

Steve Jobs (February 24, 1955–October 5, 2011) is best remembered as the co-founder of Apple Computers. He teamed up with inventor  Steve Wozniak to create one of the first ready-made PCs. Besides his legacy with Apple, Jobs was also a smart businessman who became a multimillionaire before the age of 30. In 1984, he founded NeXT computers. In 1986, he bought the computer graphics division of Lucasfilm Ltd. and started Pixar Animation Studios. Fast Facts: Steve Jobs Known For: Co-founding Apple Computer Company and playing a pioneering role in the development of personal computingAlso Known As: Steven Paul JobsBorn: February 24, 1955 in San Francisco, CaliforniaParents: Abdulfattah Jandali and Joanne Schieble (biological parents); Paul Jobs and Clara Hagopian (adoptive parents)Died: October 5, 2011 in Palo Alto, CaliforniaEducation: Reed CollegeAwards and Honors: National Medal of Technology  (with  Steve Wozniak), Jefferson Award for Public Service,  named the most powerful person in business by Fortune  magazine,  Inducted into the  California Hall of Fame, inducted as a  Disney LegendSpouse: Laurene PowellChildren: Lisa (by Chrisann Brennan), Reed, Erin, EveNotable Quote: Of all the inventions of humans, the computer is going to rank near or at the top as history unfolds and we look back. It is the most awesome tool that we have ever invented. I feel incredibly lucky to be at exactly the right place in  Silicon Valley, at  e xactly the right time, historically, where this invention has taken form. Early Life Jobs was born on February 24, 1955, in San Francisco, California. The biological child of Abdulfattah Jandali and Joanne Schieble, he was later adopted by Paul Jobs and Clara Hagopian. During his high school years, Jobs worked summers at Hewlett-Packard. It was there that he first met and became partners with Steve Wozniak. As an undergraduate, he studied physics, literature, and poetry at Reed College in Portland, Oregon.  Formally, he only attended one semester there. However, he remained at Reed and crashed on friends sofas and audited courses that included a calligraphy class, which he attributes as being the reason Apple computers had such elegant typefaces. Atari After leaving Oregon in 1974 to  return to California, Jobs started working for Atari, an early pioneer in the manufacturing of personal computers. Jobs close friend  Wozniak was also working for Atari. The future founders of Apple teamed up to design games for Atari computers. Hacking Jobs and Wozniak proved their skills as hackers by designing a telephone blue box. A blue box was an electronic device that simulated a telephone operators dialing console and provided the user with free phone calls. Jobs spent plenty of time at Wozniaks Homebrew Computer Club, a haven for computer geeks and a source of invaluable information about the field of personal computers. Out of Mom and Pops Garage By the late 1970s, Jobs and Wozniak had learned enough to try their hand at building personal computers. Using Jobs family garage as a base of operation, the team produced 50 fully assembled computers that were sold to a local Mountain View electronics store called the Byte Shop. The sale encouraged the pair to start Apple Computer, Inc. on April 1, 1979. Apple Corporation The Apple Corporation was named after  Jobs favorite fruit. The Apple logo was a representation of the fruit with a bite taken out of it. The bite represented a play on words: bite and byte. Jobs co-invented the  Apple I  and  Apple II  computers together with  Wozniak, who was the main designer, and others. The Apple II is  considered to be  one of the first commercially successful lines of personal computers. In 1984, Wozniak, Jobs, and others co-invented the  Apple Macintosh  computer, the first  successful home computer with a mouse-driven graphical user interface. It was, however, based on (or, according to some sources, stolen from) the Xerox Alto, a concept machine built at the Xerox PARC research facility. According to the Computer History Museum, the Alto included: A mouse. Removable data storage. Networking. A visual user interface. Easy-to-use graphics software. â€Å"What You See Is What You Get† (WYSIWYG) printing, with printed documents matching what users saw on screen. E-mail. Alto for the first time combined these and other now-familiar elements in one small computer. During the early 1980s, Jobs controlled the business side of the Apple Corporation. Steve Wozniak was in charge of the design side. However, a power struggle with the board of directors led to Jobs leaving Apple in 1985. NeXT After leaving Apple,  Jobs founded NeXT, a high-end computer company. Ironically, Apple bought NeXT in 1996 and Jobs returned to his old company to serve once more as its CEO from 1997 until his retirement in 2011. The NeXT was an impressive workstation computer that sold poorly. The worlds first web browser was created on a NeXT, and the technology in NeXT software was transferred to the Macintosh and the iPhone. Disney Pixar In 1986, Jobs bought The Graphics Group from Lucasfilms computer graphics division for $10 million. The company was later renamed Pixar. At first, Jobs intended for  Pixar to become a high-end graphics hardware developer, but that goal was never met.  Pixar moved on to do what it now does best, which is make animated films. Jobs negotiated a deal to allow Pixar and Disney to collaborate on a number of animated projects that included the film Toy Story. In 2006, Disney bought Pixar from  Jobs. Expanding Apple After Jobs returned to Apple as its CEO in 1997, Apple Computers had a renaissance in product development with the iMac, iPod, iPhone, iPad, and more. Before his death, Jobs was listed as the inventor and/or co-inventor on 342 United States patents, with technologies ranging from computer and portable devices to user interfaces, speakers, keyboards, power adapters, staircases, clasps, sleeves, lanyards, and packages. His last patent was issued for the Mac OS X Dock user interface and was granted the day before his death. Death Steve Jobs died at his home in Palo Alto, California, on October 5, 2011. He had been ill for a long time with pancreatic cancer, which he had treated using alternative techniques. His family reported that his final words were, Oh wow. Oh wow. Oh wow. Legacy Steve Jobs was a true computer pioneer and entrepreneur whose impact is felt in almost every aspect of contemporary business, communication, and design. Jobs was absolutely dedicated to every detail of his products—according to some sources, he was obsessive—but the outcome can be seen in the sleek, user-friendly, future-facing designs of Apple products from the very start. It was Apple that placed the PC on every desk, provided digital tools for design and creativity, and pushed forward the ubiquitous smartphone which has, arguably, changed the ways in which humans think, create, and interact. Sources Computer History Museum.  What Was The First PC?Gladwell, Malcolm, and Malcolm Gladwell. â€Å"The Real Genius of Steve Jobs.†Ã‚  The New Yorker, 19 June 2017.Levy, Steven. â€Å"Steve Jobs.†Ã‚  Encyclopà ¦dia Britannica, 20 Feb. 2019.