The Scientific Method Essay Example for Free

The Scientific Method Essay This experiment was performed by using a systematic approach to identify six unknown substances. In the first half of the experiment six unknown substances were observed than measured by determining volume, mass and density. The second half of the experiment the unknown were placed in a test tube and tested for solubility. It was determined that the six tubes contained coffee, potting soil, brown sugar, baby powder, baking soda, and powdered sugar. By the use of the scientific method each unknown subject could be identified. Hypothesis: The contents of unknown samplers are as follows: #1 coffee, #2 potting soil, #3 brown sugar, #4 baby powder, #5 baking soda, #6 powdered sugar. Material List: Digital Scale 50 ml Cylinder Safety Goggles Spatula 6 Test Tubes Magnifier Rubber Stopper Test Tube Rack Marking Pencil Test Tube Cleaning Brush Procedure: The unknown substances were removed from a bag. Next, volume, density, and mass were calculated using small paper boats, a digital scale, and a formula which called to divide the mass by the volume. Then, the texture, shape and appearance of each substance was observed and recorded. Lastly, each substance was tested for solubility in distilled water. Data Table: Calculating Density of Unknown Samples Mass of Unknown Sample (g)Volume (cm)Density (g/cm) Unknown Sampler# 1 = 0.4 1.3 .31 Unknown Sampler#2= 0.5 1.5 .3 Unknown Sampler#3=0.5 1.5 .3 Unknown Sampler#4=0.8 1.3 .61 Unknown Sampler#5=0.6 1.5 .4 Unknown Sampler#5=0.6 1.3 .46 Discussion Based off of observations of color, shape, and texture and smell hypothesis is accurate and correct for unknown samples 1-6. In conclusion based off of color, smell, and texture the hypothesis for unknown substances 1-4 are correct, but based off of these same observations substances 5 and 6 are questionable. Questions: 1. Which of the six measures in the experiment yielded quantitative data? What specifically about the measures was quantitative? Quantitative data is data that can be measured numerically, out of the six measures in the experiment volume, mass, and density would be considered quantitative since these measures can be measured numerically unlike any other from the experiment. 2. Which unknowns are you confident that you correctly identified? What specific test was crucial in confidence? I am confident that I have correctly identified unknown substances 1-4 based off of color,  texture, smell and solubility these measures were crucial in my confidence of my hypothesis. 3. One of the most important and unique steps in the scientific method is the ability to create a new hypothesis if your results do not support your original ideas. What areas in your life, other than in science class, do you think this type of step would be helpful? I am a mother and frequently find myself in the kitchen cooking and trying out new recipes that taste good but are still nutritious (children can be very picky) I would say in terms of a new recipe that I am trying- If my idea is that my children would like to try something new I would test it out by serving it to them, and in the case that my children do not like it I would try again maybe add some ingredients or take something out in hopes that the end result would be for my kids to enjoy the meal while getting all of the nutrition that kids need. 4. What additional test could you perform to assist in the identification of these unknown samples? Melting, boiling, or even chemical test may be performed. 5. Which of the seven tests performed was the most challenging? The most challenging test for me was the shape test, I found this most difficult because although I had the magnifier I still had trouble distinguishing what it was that I actually saw as I was examining each substance, however once I examined each substance individually I compared what I saw and could most definitely see the difference between large and small particles.

Billy Budd Essay: Comparing Christ to Billy -- Billy Budd Essays

Comparing Christ to Billy of Billy Budd      Ã‚  Ã‚  Ã‚  Ã‚   "I stand for the heart. To the dogs with the head!" wrote Herman Melville in his June 1851 letter to Nathaniel Hawthorne (Davis and Gilman 3). Yet, by the time he began writing Billy Budd, Sailor in 1888, Melville must have tempered this view, for Billy Budd depicts the inevitable destruction of a man who is all heart but who utterly lacks insight. Melville no doubt intends for his reader to connect this tale with the gospel of Jesus Christ. Billy Budd endures a persecution similar to Christ's; he is executed for like reasons, and he eventually ascends, taking "the full rose of the dawn" (BB 376). Yet, in creating Billy Budd, Melville forms a character who is but a half-Christ, more like the Child than the Man. Indeed, a number of characteristics and circumstances sharply distinguish Billy Budd from the complete Christ. These differences ultimately work to support Melville's (now refined) philosophy that innocence, unaccompanied by wisdom, must inevitably meet wi th destruction and that only when a man balances the "spontaneous impulses of [his] 'heart'" against the experiential "wisdom of [his] 'head'" (Howard 328) can he prevail in a fallen world.    Critics often connect Billy Budd with the Christ Child. Richard Chase, for instance, writes that Billy Budd is the realization of Melville's "fresh commitment to the infantile Christ" (267), and Milton Stern claims that Billy's behavior represents an "ideal Christliness" because he accepts "everything with animal insightlessness and the childlike faith of innocence" (216). Christ taught that to enter heaven, one must become like a little child (Matt. 18:2-3). Many have inferred from this that, from a Christian perspective, ... ...W.H. Gilman, eds. The Letters of Herman Melville. New Haven: Yale UP, 1960. Online. Internet. 29 July 1998. Available HTTP: www.melville.org Howard, Leon. Herman Melville: A Biography. Berkley: U of California P, 1951. Melville, Herman. Billy Budd, Sailor and Other Stories. Ed. Frederick Busch. New York: Penguin, 1986. - - -. Moby Dick. Ed. Charles Child Walcutt. New York: Bantam, 1981. Richards, Lawrence O. The Bible Reader's Companion. Wheaton: SP Publications, Inc., 1991. Sten, Christopher W. "Vere's Use of the 'Forms': Means and Ends in 'Billy Budd.'" On Melville: The Best from American Literature. Ed. Louis J. Budd and Edwin H. Cady. Durham: Duke UP, 1988. 188-202. Stern, Milton R. The Fine Hammered Steel of Herman Melville. Urbana: U of Illinois P, 1968. The Holy Bible, New King James Version. Dallas: Thomas Nelson, Inc., 1979.

Great Expectations Essay

Great Expectations, a novel by Charles Dickens, was first published in England as a serial in the years 1860 and 61 then later as a novel. It runs to 448 pages in modern paperback. The work is considered to be autobiographical and told in first person as a memoir of the orphan boy, Pip. Dickens’ thesis is moral in nature, saying that love, loyalty and a clean conscience are more important than wealth, social class and ambition. Pip believes he is in love with the Estella, a ward of the rich Mrs. Havisham and seeks to become a gentleman in order to win her heart. He comes to realize his sister and her husband and the convicted criminal, Magwitch, though low in social class, display more character than those he knows of the upper class. Dickens, through his protagonist, advances the idea that nobility is not noble by nature, and one can advance on his own intelligence and work ethic (183). Mrs. Havisham’s family earned their money in commerce but she still represents wealth. Dickens depicts her as a bitter and vengeful old woman, full of hatred for men. She uses Pip and encourages the like-minded Estella to break his heart (60). Pip comes into money and believes that the upper class Mrs. Havisham is his benefactress, which is not true. His money comes from the convict Magwitch who wants to make Pip a gentleman for his own reasons (335). Bentley Drummle, while a minor character, is used by Dickens to show that nobility does not confer morality on a person. Dickens proves his thesis by the relating the callous behavior of the upper classes, compared and contrasted to the kindness of his poor family and the lower classes represented. He produces a litany of noble scoundrels and lowborn citizens with high moral fiber for the reader to consider.

Essay on The Theme of Self Esteem in Othello - 1475 Words

The Theme of Self Esteem in Othello For the theater-going people of the Elizabethan age, there were many hardships. Many of them experienced poor living conditions and treatment. All of them faced the dangers of a comparatively underdeveloped medical knowledge which often left the young and elderly to die of common diseases. The magic of Shakespeare is not only that historians can learn of otherwise undocumented details of the 1500s, but also that all readers can discover the many similarities between Shakespeares day and now. These similarities reside heavily not only in speech, but also the human condition. When compared with the people we know today, Shakespeares characters exhibit only skin-deep differences. Some identical†¦show more content†¦Were it not for Roderigos insecurity, Iago might never have managed to use him to such an extreme extent. Iago is initially tipped off to Roderigos weakness when he witnesses his despair following the public announcement of Desdemonas marriage to Othello. Roderigo t ells Iago, I will incontinently drown myself (1.3.305). It is silliness to live when to live is tornment (1.3.308). Abraham Maslow, an experienced psychologist, announced in the early 70s his theory of a hierarchy of needs (Myers, 426). This hierarchy states that humans are generally predestined to chronologically follow a set of five different requirements. From first to last, they are: physiological needs, safety needs, belongingness and love needs, esteem needs, and finally self-actualization needs. Myers states that humans will reach for higher needs only if (426) the lower ones have been met. Upon hearing Roderigo threaten suicide after a failed romance attempt, Iago saw an individual who had just recently begun to sense the need for love, and was nowhere near a stable level of self esteem. In this sense, Iago could be considered a metaphor for all treachery in the world--the evil forces working against the human spirit every day in the 1500s as well as the 21st century. After falling prey to this evil force, Roderigo is finally blindly led into a swordfight and is fatally stabbed by Iago himself. Already in this fairly secondary plot event, weShow MoreRelatedOthello by William Shakespeare1086 Words   |  5 PagesThroughout the tragedy of Othello Shakespeare does an impressive job of quickly introducing and manipulating his main characters. His talents are no less when it comes to the creation and development of Emilia. Though it appears that Emilia is both a loyal and obedient wife, her actions speak much louder than her words. When Emilia betrays the sisterhood within the play of Othello much is revealed to the reader regarding her character. 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