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Science Essays

1,638 Science Essays: 811 - 840

  • Isolation of Caffeine from Tea

    Isolation of Caffeine from Tea

    Isolation of Caffeine from Tea Purpose- The purpose of this experiment is to isolate caffeine from tea leaves. The caffeine will be isolated by using different techniques such as extraction, drying, and evaporation. Also to determine how pure the final product will be. Experimental- The experiment began with the tea

    Essay Length: 382 Words / 2 Pages
    Submitted: July 18, 2011
  • Issues in Science

    Issues in Science

    One of the largest issues today is the effect of global warming. We are drastically changing the environment we live in today by burning fossil fuel like coal and oil. In addition to its effects on climate, the coal and oil burning facilities link their effects to climate change that

    Essay Length: 446 Words / 2 Pages
    Submitted: April 29, 2012
  • Issues Investigation - Is ‘low Sulfur Coal’ the Best Answer to Sulfur Pollution?”

    Issues Investigation - Is ‘low Sulfur Coal’ the Best Answer to Sulfur Pollution?”

    Sulfur pollution has become a universal issue and it is essential to take this topic into concern as sulfur pollution harms the environment in many ways. Sulfur dioxide is a major contributor of Acid rain. It destroys the flora and fauna including marine ecosystems and man-made structures and buildings.

    Essay Length: 856 Words / 4 Pages
    Submitted: September 5, 2017
  • Joint Mobilization

    Joint Mobilization

    Joint Mobilization THE UPPER EXTREMITY Glenohumeral Joint -Convex head of humerus on a proximal concave glenoid fossa of scapula. A. Loose-packed position: 55 degs abduction, 30 degs horizontal adduction B. Close-packed position: Full abduction and external rotation C. Capsular pattern: External rotation, abduction, internal rotation D. Glides: * Inferior glide

    Essay Length: 983 Words / 4 Pages
    Submitted: October 10, 2011
  • Jupiter Moon Mission

    Jupiter Moon Mission

    The possibility of life other than on earth has always been an interesting topic to many and when it shows up in the news that scientist have discovered possible life it is always a interesting topic. What life am I talking you ask well how about the life that scientist

    Essay Length: 508 Words / 3 Pages
    Submitted: March 13, 2017
  • Jupiter Planet Case

    Jupiter Planet Case

    The planet I have chosen is Jupiter. Jupiter has always seemed to intrigue me, because of the size and colors. Jupiter's Red Spot has always made me think of a beautiful and intriguing planet with so many mysteries in store for us to find. Jupiter and Earth are more related

    Essay Length: 469 Words / 2 Pages
    Submitted: April 21, 2011
  • Kidney Case (spanish)

    Kidney Case (spanish)

    Introducción El objetivo principal de este experimento es analizar e identificar las distintas partes de un órgano tan esencial en nuestro funcionamiento metabólico e hidro-salino como es el riñón. Nuestra preparación consistirá en prepararnos bien en cuanto a lo material, investigar previamente, saber algunos conocimientos básicos y recordar materia pasada

    Essay Length: 902 Words / 4 Pages
    Submitted: July 1, 2011
  • Kinetic Vs Thermodynamic Control in Competing Reactions

    Kinetic Vs Thermodynamic Control in Competing Reactions

    Kinetic vs Thermodynamic Control in Competing Reactions In most of our reactions, we are simply concerned about the products of the reaction. However, chemists study all aspects of reactions to include reaction rates and energy changes. Kinetics is the study of reaction rates. A reaction rate tells us how fast

    Essay Length: 2,414 Words / 10 Pages
    Submitted: August 17, 2013
  • Kinetics and Color Analysis

    Kinetics and Color Analysis

    Kinetics There are several conditions that affect the rate of a chemical reaction. The reactant concentration and the temperature are directly related to the initial rate. The graph on the effect of temperature on rate of chloromethane solvolysis shows that at higher temperatures, the chloromethane decreases faster, so rate increased.

    Essay Length: 577 Words / 3 Pages
    Submitted: May 21, 2012
  • King Kong

    King Kong

    In Mary Shelley's the monster plays a very important role in the story. Often, Frankenstein is thought to be the monster, but he is actually the scientist who created the monster. The monster is often pictured as a vile and evil horror for most people. However, is it true to

    Essay Length: 401 Words / 2 Pages
    Submitted: December 23, 2011
  • Klinefelter's Syndrome

    Klinefelter's Syndrome

    Introduction Klinefelter's syndrome is a genetic disorder that affects about one in five hundred males. It is the most common genetic abnormalities found among humans (Bock, 1993). Men with Klinefelter's syndrome have an extra sex chromosome X instead of the usual male arrangement XY. Sex cells undergo meiosis where the

    Essay Length: 984 Words / 4 Pages
    Submitted: February 7, 2013
  • Lab 3 Pump Characteristics

    Lab 3 Pump Characteristics

    Memoradum to: YueYue qin - CE 362 from: Xuran Dai Partners: joel Shumaker, mariana montes, dulce wiston subject: Lab 3 Pump Characteristics date: January 29, 2015 Abstract This lab will experimentally determine the behaviors of centrifugal and positive displacement pumps. Specifically, the pump performance curves, which contain information about the

    Essay Length: 1,126 Words / 5 Pages
    Submitted: January 22, 2016
  • Lab Experiment

    Lab Experiment

    A 73 kg man drops to a concrete patio from a window only 0.60 m above the patio. He neglects to bend his knees on landing, taking 2.0 cm to stop. (a) What is his average acceleration from when his feet first touch the patio to when he stops? (b)

    Essay Length: 773 Words / 4 Pages
    Submitted: March 16, 2012
  • Lab Experiment

    Lab Experiment

    What Do You Think? Using the definition of work in the background section, is work done when a person is studying? Is work done when a person lifts a backpack up from the floor? Take time to answer the 'What Do You Think?' question(s) in the Lab Report section. Background

    Essay Length: 562 Words / 3 Pages
    Submitted: March 30, 2012
  • Lab Outline

    Lab Outline

    Chem 162 L Summer 2012 Course Outline Instructor: Michael J. Ferguson, Ph.D. Office: BIL 321 A e-mail: AIM: HIChemistry Phone: 956-7665 Office hours: 10:15-11:15 Class time: 12:30-3:30 Teaching Assistants: 701 -- Kristen Wheeler 702 -- Sreeramula Kalluri 703 -- Chris Nold 704 -- Morgyn Stryker

    Essay Length: 1,506 Words / 7 Pages
    Submitted: July 17, 2012
  • Lab Plasmolysis

    Lab Plasmolysis

    1. Introduction a. Background Information- Plasmolysis is the shrinking of the cytoplasm of a plant cell in response to diffusion of water out of the cell and into a hypertonic solution surrounding the cell. During plasmolysis the cellular membrane pulls away from the cell wall. b. Purpose- The purpose of

    Essay Length: 297 Words / 2 Pages
    Submitted: December 12, 2011
  • Lab Report on Osmosis and Potato Slices

    Lab Report on Osmosis and Potato Slices

    Lab Report on Osmosis and Potato Slices The potatoes immersed with pure water and salted water became apparently physically different after 24 hours. The result was totally the opposite of the prediction I made prior to the lab. The potato slice influenced by freshwater appeared rigid and brittle since

    Essay Length: 315 Words / 2 Pages
    Submitted: November 5, 2015
  • Lake of Innisfree

    Lake of Innisfree

    Overall, for me this poem expresses the speaker's eagerness to live in Innisfree. Also, it expresses the idea that nature provides so human beings can go to escape the chaos of civilization, and he is ready to live in a voluntary separate, separated from the city, far away from the

    Essay Length: 380 Words / 2 Pages
    Submitted: December 13, 2011
  • Language Case

    Language Case

    According to Robert Provine who is a professor of university of Maryland Baltimore Campus, he said that language skills are secondary products from biped walking. It is presented in Neuroscience Society 29th Annual Meeting that is held in Miami on October 28. This article is really related to our course

    Essay Length: 306 Words / 2 Pages
    Submitted: May 23, 2011
  • Lantus - Insulin Glargine

    Lantus - Insulin Glargine

    Part A Biotechnology contribute our society and future so many way such as agriculture with genetic modified crops, industrial with genetically engineered protein for industry. But the most important is the in Medical and Pharmaceutical area. They use biotechnology in order to manufacturing drugs by manipulation of microorganism to process

    Essay Length: 755 Words / 4 Pages
    Submitted: April 11, 2017
  • Large Hadron Collider

    Large Hadron Collider

    Laboratory Experiment #2 and #3 Combinational Logic Analysis and Design Combinational Logic Circuit Construction and Testing Prepared by Maneesha Wijesinghe Performed January 21, 2011 and February 11, 2011 Lab group members: Rajwinder Murare Objectives: the objectives of this experiment are to design a combinational logic circuit using the simplified logic

    Essay Length: 1,097 Words / 5 Pages
    Submitted: March 18, 2012
  • Law Enforcement Deviance

    Law Enforcement Deviance

    Law Enforcement Deviance Law Enforcement Deviance Police officers use unethical and illegal methods when apprehending and arresting people who are suspected of committing a crime. This type of behavior has become a growing problem because these police officers believe their actions are for the greater good. Because these police officers

    Essay Length: 781 Words / 4 Pages
    Submitted: December 19, 2011
  • Leadership Case

    Leadership Case

    Within this essay i will be looking at a change that i will be implementing in my practice area. I will be exploring the role of clinical leadership and how my role as a leader will impact on the change that i am making. I will relate this to the

    Essay Length: 943 Words / 4 Pages
    Submitted: January 30, 2014
  • Leadership Questions

    Leadership Questions

    Leadership Questions My personal views of leadership are derived from experience as an Assistant Director of Nursing and from following the leadership of other nurse managers. I believe leadership is both inherited and a learned skill. Behavioral theories state "leadership is derived from personal experiences, education, and training" (Sullivan &

    Essay Length: 385 Words / 2 Pages
    Submitted: March 12, 2013
  • Leaf Descriptions

    Leaf Descriptions

    What does it feel like? Prickly, smooth, soft, hard, rough, bumpy? What color is it? Dark green, light green, any other colors besides green? Describe the leaf edges. Smooth, prickly, tooth-like? Does your leaf have a scent when you tear it? If so, what does it smell like? ) Describe

    Essay Length: 496 Words / 2 Pages
    Submitted: February 14, 2012
  • Lean Six Sigma

    Lean Six Sigma

    Introduction Nowadays, industries’ competition has become more difficult and demanding due to changes in the market, external effects, new company’s competitive advantages, substitute products, etc. That’s why it is of immense consideration to always perform better than the other enterprise. To reach that, small-and medium-sized manufacturing enterprises apply different competing

    Essay Length: 1,150 Words / 5 Pages
    Submitted: May 15, 2019
  • Leandro Rocha Case

    Leandro Rocha Case

    Virginia Mason Medical Center (VMMC), a private non-profit organization, was founded in 1920. Initially the medical center operates as a partnership that distributed the operating surplus among the physicians in annual bonus. In 1986 was restructured and the physicians sold their group practice to become employees. The physicians no longer

    Essay Length: 230 Words / 1 Pages
    Submitted: October 30, 2013
  • Learning Disabilities

    Learning Disabilities

    According to learning disabilities are disorders that affect one's ability to understand or use spoken or written language, do mathematical calculations, coordinate movements or direct attention. Although learning disabilities occur in very young children, disorders are usually not recognized until a child reaches school age. Research shows that 8

    Essay Length: 935 Words / 4 Pages
    Submitted: July 6, 2011
  • Learning Enviroment

    Learning Enviroment

    The care of critically ill patients is dependent on the use of complex medical equipment. Equipment includes patient bedside monitoring, respiratory and cardiac support, emergency resuscitation devices, infusion pump and et cetera. Operating with these equipment which is so critical to the health and wellbeing of patients, yet gain practitioner

    Essay Length: 526 Words / 3 Pages
    Submitted: December 8, 2011
  • Led Circuit Analysis

    Led Circuit Analysis

    Plastic optical fiber, Tussentijds Rapport 1, Groep 4 Clemens Schlegel, Jasper Taets, Jordi Van Damme, Evert Van de Velde Begeleiders: Johan Bauwelinck, Timothy De Keulenaer 1. Doel Door enkele schakelingen na te bouwen en te analyseren wordt inzicht verworven in de werking van enkele elektronische componenten, die belangrijk zijn bij

    Essay Length: 920 Words / 4 Pages
    Submitted: November 2, 2016
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