Egg and Soda Dental Experiments

Egg and Soda Dental Experiments If you have a hard time getting your child to brush his teeth, it might be time to try the egg and soda experiment to explore the concept of dental health. In theory, a hard-boiled egg’s shell works similarly to the enamel on a child’s tooth. It’s there to protect the soft inside, or dentin, from damage. Unfortunately, some of our eating and drinking habits make it difficult for the enamel to protect our teeth from damage, and the egg and soda experiment demonstrates how our dietary choices can impact our bodies. What You Will Need This simple experiment doesnt need a lot of expensive supplies. In fact, they are affordable and youll likely have most of them already in your home. If not, you can easily find them at your local grocery store. 3 white-shelled hard-boiled eggssodadiet sodawatera toothbrush and toothpaste3 clear plastic cups Before the Egg and Soda Experiment Start by talking to your child about good dental hygiene practices and how important it is to brush their teeth every day, making sure to explain how certain foods, drinks, and activities can stain and damage teeth. You might also want to discuss how drinking a lot of acidic beverages can erode the outside of teeth. Ask your child to come up with a few types of drinks that might hurt their teeth. They might have answers like soda, coffee, or juice because of sugar and acid. You might also want to ask your child to think of drinks that might be better for their teeth. Most likely, theyll come up with something like milk and water. You can also ask your child if they think brushing after drinking some of the drinks that could hurt their teeth could reduce the risk of damage. Explain the Experiment Tell your child you have a way to find out what might happen if he left those drinks on his teeth overnight. Show him a hard-boiled egg and ask him how it reminds him of his teeth (a hard but thin outer shell and a soft inside). Take some time to ask your child what might happen to the egg if you leave it soaking in soda overnight, as compared to water. You might also consider different types of soda and if dark sodas, like colas, might have different effects on teeth than clear sodas, like lemon-lime sodas. Perform the Experiment Boil the eggs, making sure to have a few extra in case some of them crack while you boil them. A cracked shell will change the results of the experiment.Help your child fill each of the plastic cups, one with regular soda, one with diet soda, and one with water.Once the eggs have cooled, have your child put one in each cup and leave it overnight.Ask your child to check the eggs the next day. You may need to pour the liquid out of the cup to see how each egg has been affected. Most likely, the eggs in the cola have been stained by the liquid overnight.Discuss the changes you see in each egg and ask your child what they think happened. Then ask what they think you can do to â€Å"help† the eggs that have been immersed in soda get back to their original state (no stains).Give your child a toothbrush and some toothpaste to see if he can brush the stains off the eggshell. As a variation, you might also want to boil a few extra eggs and add cups with clear soda, orange juice, and coffee for comparison. Conclusions There are two main things you and your child can take away from this experiment. The first is that, as reported in the journal General Dentistry, the citric and phosphoric acid contained in soda has enormous potential to erode tooth enamel. In fact, one study reported that soda is 10 times more erosive than fruit juice in the first few minutes after drinking it. The second takeaway, and easier for your child to see, is that it takes more than just a couple of quick swipes of the toothbrush to get teeth clean. Try helping your child time to see how long it takes to brush the majority of the egg stains.

current-traditional rhetoric - definition and examples

current-traditional rhetoric - definition and examples Definition Current-traditional rhetoric is a  disparaging term for the textbook-based methods of composition instruction popular in the U.S. during the first two-thirds of the 20th century. Robert J. Connors (see below) has suggested that a more neutral term, composition-rhetoric, be used instead. Sharon Crowley, professor of rhetoric and composition at Arizona State University,  has observed that current-traditional rhetoric is a direct descendant of the work of the British new rhetoricians. During the greater part of the 19th century, their texts constituted a fundamental part of rhetorical instruction in American colleges (The Methodical Memory: Invention in Current-Traditional Rhetoric, 1990). The expression current-traditional rhetoric was coined by Daniel Fogarty in  Roots for a New Rhetoric  (1959) and popularized by Richard Young in the late 1970s. See Examples and Observations below. Also see: Five-Paragraph EssayModels of CompositionModes of Discourse Composition, Composition-Rhetoric, and Composition Studies New Rhetoric Rhetoric Examples and Observations In The Principles of Rhetoric and Their Application (1878), the first and most popular of his six textbooks, [Adams Sherman] Hill emphasizes features that have come to be identified with current-traditional rhetoric: formal correctness, elegance of style, and the modes of discourse: description, narration, exposition, and argument. Persuasion, for Hill, becomes only a useful adjunct to argument, invention only a system of management in a rhetoric devoted to arrangement and style.(Kimberly Harrison, Contemporary Composition Studies. Greenwood, 1999) Characteristics of Current-Traditional RhetoricCurrent-traditional rhetoric is  characterized by its emphasis on the formal features of the finished product of composing. The current-traditional essay employs a rigorous movement from general to specific. It displays a thesis sentence or paragraph, three or more paragraphs of supporting examples or data, and a paragraph each of introduction and conclusion.(Sharown Crowley, Current-Traditi onal Rhetoric.  Encyclopedia of Rhetoric and Composition: Communication from Ancient Times to the Information Age, ed. by  Theresa Enos. Routledge, 1996) A Non-RhetoricDespite the name given it by historians,  current-traditional rhetoric is  not a rhetoric at all. Current-traditional textbooks display no interest in suiting discourses to the occasions for which they are composed. Rather, they collapse every composing occasion into an ideal in which authors, readers, and messages are alike undistinguished. What matters in current-traditional rhetoric is form. Current-traditional pedagogy forces students to repeatedly display their use of institutionally sanctioned forms. Failure to master the sanctioned forms signals some sort of character flaw such as laziness or inattention. . . .Current-traditional textbooks nearly always began with consideration of the smallest units of discourse: words and sentences. This suggests that their authors, and the teachers for whom they wrote, were anxious to correct two features of students discourse: usage and grammar.(Sharon Crowley, Literature and Composition: Not Separate but Certainly Unequa l.  Composition in the University: Historical and Polemical Essays.  University of Pittsburgh Press, 1998) A Convenient Whipping BoyCurrent-traditional rhetoric became the default term for the tradition of rhetoric that appeared specifically to inform the composition courses of the latter nineteenth century and the twentieth century up through the 1960s. . . . Current-traditional rhetoric as a term seemed to indicate both the outmoded nature and the continuing power of older textbook-based writing pedagogies. . . .Current-traditional rhetoric became a convenient whipping boy, the term of choice after 1985 for describing whatever in nineteenth- and twentieth-century rhetorical or pedagogical history any given author found wanting. Got a contemporary problem? Blame it on current-traditional rhetoric. . . .What we have reified as a unified current-traditional rhetoric is in reality, not a unified or an unchanging reality.(Robert J. Connors, Composition-Rhetoric. University of Pittsburgh Press, 1997)

Labor Economics Essay Example | Topics and Well Written Essays - 1000 words - 2

Labor Economics - Essay Example However, the situation becomes quite altered when we compare it to the present day since those who could have been said to be living comfortably 50 years ago would today be considered as living below the poverty line. Brewer (2007) quotes John E. Schwarz who says: â€Å"In the early 1950s, fully two fifths of American households had no automobile, about a third did not have a private telephone or a television, and the homes of about a third of all Americans were dilapidated or were without running water or a private toilet and bath. Only a small minority of families enjoyed such basics as a mixer or had a hot-water heater (Brewer, 2007, Pg. 1)†. Thus, in comparison to the life lived in the 1950s, people living as a part of the middle class or even the lower classes today have a higher standard of living. In the 1950s, a person working full time at a middle class standard would have been able to afford to keep a family of four. Surprisingly, the same could be done today by an individual who is working at minimum wage but only if s/he is willing and able to give up ‘luxuries’ such as hot running water, an automobile and private toilets (Brewer, 2007). The situation and the comparison becomes more complicated when we consider the 1970s since it was a time where the country experienced a rising standard of living coupled. Automobiles, televisions and other items which were considered luxuries became more common but the nation experienced a falling standard of living towards the end of the decade. It thus became the beginning of the time where the family which had only one breadwinner could find itself in economic trouble and this prompted the rapid entry of women into the work field in large numbers (Gruber, 2005). However, political and economic forces such as the policies enacted by the government, the high levels of inflation, unemployment and low productivity growth are blamed for a lack of growth in real income in the

Practicum Learning Agreement Assignment Example | Topics and Well Written Essays - 250 words

Practicum Learning Agreement - Assignment Example Help student to under stand their professions this by motivating the students to solve most tasks and get new ideas of their professional activities through research, Help to solve emerging negative issues of different categories for example communities, groups and individuals. This is through the discussions exhibits where one gets to know the problems the society is facing; it helps create good relationships of different people at different levels. By understanding their way of reasoning, levels of work, their exposure to the new technology and their educational level, Enable one in exhibition. This will help curb the social problem through one on one insertion due to demonstration in discussion thus improving the society and find solutions to the problems faced due to more research and achieve the objectives. The knowledge that the student will get will enable the student to fit well in the marketing industry and to make him become successful in everything that he/she

How to Write a Case Study Essay Example for Free

How to Write a Case Study Essay A case study example is a case study that is intended to be used as a model text or a reference guide for writers unfamiliar with how to write case studies. Case study examples may be distributed by professors, educational resource organizations, or professional writing services. The primary audience for a case study example is typically college pupils. Case study writing comes in two forms: annotated and un-annotated. An annotated case study example features notes in the margins and within the text itself that point to important elements of the form, style, and content of the case study. Annotated examples are particularly helpful for students who are unfamiliar with the case study genre in general, since they provide commentary explicitly noting the important elements of the genre. Un-annotated case study examples will not feature this commentary; the example viewer is intended to identify the important elements and conventions of the case study on his or her own. These examples are best viewed after a student is somewhat familiar with the genre or has already studied an annotated example. Whether using annotated or un-annotated case study examples, learners should pay particular attention to the ways in which the writer of the case study presents and analyzes information, as this is the primary objective of any case study. In a case study, a writer interprets, analyzes, and synthesizes data presented from a real or fictional situation or problem. For instance, in business school a student may be required to read about a particular business proposed advertising model and then, based on knowledge he or she has gained through his or her study of business and advertising, suggest the ways in which the company should execute its advertising campaigns. To do this effectively will require the student to work carefully with the provided information about the case and then draw on his or her creativity and knowledge reserves to propose a practical solution. When writing case studies, all proposed solutions must be bolstered by accepted techniques and theories within the students field. Students using case study examples should note how the example writer makes use of this external knowledge. Case study examples are intended to be model texts. As such, they are meant to provide students with a general idea of the common conventions of case study writing and are not meant to serve as templates. Students should study and use case study examples to determine the important elements of case study writing, but should ideally look at multiple examples to see how the case study form can be flexible depending on its particular objective and audience.

The Importance of Being Human :: Philosophy Philosophical Essays

The Importance of Being Human ABSTRACT: In this paper I will defend a kind of human-centered perspective regarding ethical questions wherein the interests of humans and nonhumans alike are involved. Compared to other species, however, the idea that there is something special about being human is commonly vague. For example, it is unclear whether the thought is (1) being a human being is important in itself, or (2) it is important to be like a human being — that is, to have the capacities which a normal adult human being enjoys. I build my defense of human dignity on the claim that we regard a biological human being as a being of intrinsic importance, which is what (1) is about. However, I also consider the ethical implications of (2), which concerns the moral significance of personhood. I argue that the idea of a special intrinsic value of being a human is applicable only to cases where we deal with nonpersons. I claim that in spite of this qualification, we might defend a substantial principle of human di gnity founded upon this generalization. Traditionally in the West we regard the property of being a human as something morally significant. In what does this significance consist? Is membership in our species important in itself, or does the importance lie in having the properties that a normal grown-up human being has? I believe that this distinction is commonly neglected in discussions about a special human value or a human dignity. It is a distinction between the direct and indirect importance of a property. What I want to claim is that there is a way of arguing for the existence of a value which proceeds from the assumption that most of us believe that being human is something important per se. The advantage of founding the idea of a human dignity on this kind of reasoning is of course that it allows all human beings to have a share in this value. In the traditional view, however, it is not only important to regard all human beings as having a share in a special human value, it is normally important as well to regard all human beings as having this share to the same extent. Not only is it the case that human beings are more valuable than non-humans, all human beings are equally valuable. This second aspect of the importance of being human will be given no treatment here.

Earned value management Essay

What is meant by an integrative project management process and why is this so important? What are the pitfalls if such an approach is not taken? The main goal of the integrative project management process is to take a project and design it around the specific needs of a company. This process can sometimes force companies to change how they conduct business, who they advertise too and how they attract new customers. What makes the integrative project management so important to companies is success. When a company spends millions of dollars to implement a new strategy, they want to ensure things go smoothly, especially if they are changing the direction of their business. These projects can take a bit longer to complete because the project manager will have to take the time to get to know the company, and how the conduct business, but in the end a business is usually more successful if they use an integrative project management strategy. When companies don’t follow this stringy, and go with a generic project template it usually ends up wasting time, money and resources. The final project, even though it is complete won’t meet their needs and usually more money is spent on small adjustments to finalize the project. I see this at work all the time, now one ever looks at our computer system as a whole, and designs a plan around what we already have in place. This can become frustrating because we end up with three and four different networks, and none of them ever seem to work correctly. Why is the traditional project management approach less effective when project scope is not clearly understood? Provide examples to illustrate your points. Our text refers to the triple constraint of scope, schedule, and budget. It’s a triple constraint in the sense that variability on any one of the constraints affects the other two. Effective project management must maintain scope, schedule and budget in a relative equilibrium or balance. That is, scope change, either to expand or contract it, will by necessity affect schedule and budget. For example, if an organization wants to make more narrow the scope of a project that is underway, it should require fewer resources and/or less time to accomplish. On the other hand, if the organization wants to expand the scope, it will have a direct effect on resources and schedule in that it will require more resources to finish on schedule, or the schedule will have to slip to accommodate finite resources spread across more project tasks. If project scope is poorly or improperly defined at project initiation, the schedule and budget will also be less valid because of the triple constraint nature of scope, schedule, and budget. Later in the project management timeline when additional requirements may expand the scope, schedule and budget will be impacted. For example, when a former employer was planning a new downtown office building as a company headquarters, they expanded the scope of the project to include a retail shopping and restaurant area. This necessitated arrangements with the city government to expand an adjacent public parking structure and allow a below-street-level tunnel between the building and the parking structure. This scope change resulted in a six-month schedule slip and required additional resources. Wk1 summary (Monday) Typical first week; rather steep curve as the learning teams form, I get into a â€Å"battle rhythm† so I can meet my individual and team requirements, and I figure out what software/tools I need to get the work done. This is only my second online course, and I am reminded that one of the advantages of being a ground student in a particular cohort is that the learning teams stay more or less intact from one course to the next, and we can really hit the ground running. Online is a different dynamic. Reading load is okay so far; I have some familiarity with the material since I have been working in a project environment for some time now.