Science
The scientific world contains a wealth of knowledge that enables mankind to live the way it does. EssaysForStudent.com can help you close the gaps in your knowledge.
4,609 Essays on Science. Documents 4,141 - 4,170
-
The Role of Surface Engineering in the Automotive Industry
The Role of Surface Engineering in the Automotive Industry The subject of surface engineering in the automotive industry has developed significantly in the last decade. A large driving force for the need for surface treatments has been energy consumption. 30 per cent of all energy consumed in the European Union derives from transportation activities, relying solely on fossil fuels. Due to this, and the push to reduce the emissions of polluting gases, car manufacturers must
Rating:Essay Length: 273 Words / 2 PagesSubmitted: January 3, 2010 -
The Role of Trna in Protein Synthesis
The Role of tRNA in Protein Synthesis Transfer RNAs play the central role in translation. They are the adaptor molecules, whose existence was predicted by Francis Crick in 1956 (Crick, 1990), which form the link between the mRNA and the polypeptide that is being synthesized. This is both a physical link, tRNAs binding to both the mRNA and the growing polypeptide, and an informational link, tRNAs ensuring that the polypeptide being synthesized has the amino
Rating:Essay Length: 906 Words / 4 PagesSubmitted: May 4, 2010 -
The Rover Missions
The Mars Exploration Rover mission is an ongoing mission that involved two rovers named Spirit and Opportunity. The mission began in 2003 and the first rover, Spirit, landed on January 4, 2004. Its twin brother, Opportunity, landed 3 weeks later on January 25. 2004. The two rovers landed on opposite sides of the planet and both have continued to function over thirteen times longer than NASA had predicted. Their mission is still going, allowing the
Rating:Essay Length: 473 Words / 2 PagesSubmitted: January 3, 2010 -
The Roy Adaptation Model
The Roy Adaptation Model ASSUMPTIONS Scientific  Systems of matter and energy progress to higher levels of complex self-organization  Consciousness and meaning are constitutive of person and environment integration  Awareness of self and environment is rooted in thinking and feeling  Humans by their decisions are accountable for the integration of creative processes  Thinking and feeling mediate human action  System relationships include acceptance, protection, and fostering of interdependence  Persons and
Rating:Essay Length: 865 Words / 4 PagesSubmitted: December 19, 2009 -
The Scarlet Letter
The Scarlet Letter is a unified, masterfully written novel. It is structured around three crucial scaffold scenes and three major characters that are all related. The story is about Hester Prynne, who is given a scarlet letter to wear as a symbol of her adultery. Her life is closely tied to two men, Roger Chillingworth, her husband, and Arthur Dimmesdale, her minister and the father of her child. Her husband is an old, misshapen man
Rating:Essay Length: 866 Words / 4 PagesSubmitted: January 1, 2010 -
The Science of Biology
The Science Of Biology: · Biology is the study of life · Biology is formed by the concepts, principles and theories that allow people to understand the natural environment · There is an order in the natural world Biologists Study The Interactions Of Life: · Living things do not exist in isolation: they all contribute to the fragile balance of nature · Livings things depend on each other and nonliving things Biologists Study The Diversity
Rating:Essay Length: 903 Words / 4 PagesSubmitted: June 2, 2010 -
The Science Project
Product Assortment The Science Project’s goal is to provide consumers with all the science related products they want. The goal is to not only provide consumers with what they know they want, but also with what they don’t realize they want. Based on this, our product assortment has to include items that will get consumers into the store and products that consumers will buy impulsively when they see them in the store. It is with
Rating:Essay Length: 1,883 Words / 8 PagesSubmitted: January 15, 2010 -
The Scientific Method
Scientific Method pg.1 The Scientific Method Scientific Method pg.2 The scenario for this case study is that if one places a plant near a window that after a while the plant grows or leans toward the window. The question is, have you ever wondered why the plant grows toward the window? My hypothesis is that plants respond to the light which they need to make their food. If this is true that plants respond to
Rating:Essay Length: 1,097 Words / 5 PagesSubmitted: November 28, 2009 -
The Search for Black Holes
The Search for Black Holes: Both as a Concept and An Understanding for age’s people have been determined to explicate on everything. Our search for explanation rests only when there is a lack of questions. Our skies hold infinite quandaries, so the quest for answers will, as a result, also be infinite. Since, its interception, Astronomy as a science speculated heavily upon discovery, and only came to concrete conclusions later with closer inspection. Aspects of
Rating:Essay Length: 2,247 Words / 9 PagesSubmitted: November 20, 2009 -
The Search for Serotonin; a Personal Study Observing Prescription Drugs
Amelia Cookston 2/21/17 Hannes Thum Human Physiology - Winter Term The Search for Serotonin; A Personal Study Observing Prescription Drugs In March of 2014, I was diagnosed with depression. My pediatrician then prescribed me to take 20 mgs of Celexa a day to soothe my debilitating thoughts. Over the past three years, the dosage has been increased to 40 mgs and the medication has been helping me get through, day by day, by balancing the
Rating:Essay Length: 773 Words / 4 PagesSubmitted: March 16, 2017 -
The Shifting of Pangea
The Shifting of Pangea Have you ever noticed that a map of the world looks like a puzzle and the continents look like the pieces that would fit together to complete the puzzle. In 1912, Alfred Wegener, a German scientist and an adventurer, came up with a theory that the continents had once been part of a “supercontinent”. Wegener proposed that, over 200 million years, what he called Pangea had separated and became individual pieces.
Rating:Essay Length: 844 Words / 4 PagesSubmitted: January 19, 2010 -
The Shriking Moon
The Shrinking Moon Everyone has no doubt seen a large orange glowing disk hiding behind the trees and buildings on the horizon in the fall. The Harvest Moon, probably the most famous Moon, is an excellent example of the apparent change in size and color the moon goes through as it rises above the horizon, and then above us into the night sky. On the horizon, the Moon appears to be much larger and has
Rating:Essay Length: 644 Words / 3 PagesSubmitted: February 25, 2010 -
The Silicon Tetrafluoride
The silicon tetrafluoride (STF) reacts with 25% caustic solution to form sodium fluoride, sodium silicate and water (see reaction below). SiF4 + 6NaOH = 4NaF + Na2SiO3 + 3H2O Assuming 200 pounds of STF are left per tube at a temperature of 298 K and 1 atm. Table 1. Silicon tetrafluoride STF left per tube 200 lb 90.7 kg 90702.9 g 871.48 mol The current cleaning method uses the following mixture that is refreshed a
Rating:Essay Length: 425 Words / 2 PagesSubmitted: October 18, 2017 -
The Sixth Extinction
The Sixth Extinction According to the information given by Niles Eldredge, about 30,000 species go extinct annually. The first five major extinctions that have happened in the past were due to natural causes. The first started with severe and sudden global cooling and lost 25% of families. The second happened near the end of the Devonian Period and may or may not have been the result of a global climate change of which 19% of
Rating:Essay Length: 380 Words / 2 PagesSubmitted: March 28, 2010 -
The Skeleton
Introduction: Have you ever wondered how many bones are in the human body, or why do bones break or why there so many? Questions like that only take some time to research and a little determination. The size and location: There are normally 300+ bones in the human body when born. As time goes on and we grow larger, some of the bones fuse together creating stronger and larger bones. By the time we are
Rating:Essay Length: 1,386 Words / 6 PagesSubmitted: November 12, 2009 -
The Softball Swing
Chapter One: Introduction Over the past fifteen to twenty years women's fastpitch softball popularity has continued to grow and spread internationally. By the mid-1990s it was played in more than 85 countries under the eye of the International Softball Federation (ISF). It has become increasingly popular among women at the youth and collegiate levels. More than 630 National Collegiate Athletic Association (NCAA) member institutions sponsor women's softball programs, and national championships for women are
Rating:Essay Length: 4,137 Words / 17 PagesSubmitted: March 1, 2010 -
The Solubility of Ionic Compounds
The Solubility of Ionic Compounds Purpose: The purpose of this lab was to find a set of guidelines that can help you predict the solubility of ionic compounds and to test various types of combinations of reactants to observe a precipitate. More importantly, this experiment gives us the experience on how to predict the solubility of other ionic compounds in different situations. Hypothesis: I predict that some anions, once reacted with the cations, will be
Rating:Essay Length: 980 Words / 4 PagesSubmitted: June 14, 2010 -
The Story of the Universe
The Story of the Universe "How did we get here?" This is a question that has puzzled humans for thousands of years. From the earliest times in human history, people have been proposing answers to this eternal question. The same awe that drives us to question today has spurred countless theories from humans of all walks of life. Until recently, these theories have all been religious in nature, placing credit squarely on the good whims
Rating:Essay Length: 2,674 Words / 11 PagesSubmitted: March 30, 2010 -
The Structure & Function of the Autonomic Nervous System
The Structure & function of the Autonomic Nervous System Introduction: The organs of our body are controlled by many systems in order to function correctly and efficiently in order to survive within the environment we live in. These include the heart, stomach and intestines and other vital organs and body systems. All of the systems in our body are regulated by a part of the nervous system called the autonomic nervous system (ANS). The ANS
Rating:Essay Length: 1,159 Words / 5 PagesSubmitted: November 13, 2009 -
The Structure of the Labour Market, Patterns of Employment Growth, Play an Important Role in Shaping Development Patterns and Outcomes.
Intro The structure of the labour market, patterns of employment growth, play an important role in shaping development patterns and outcomes. Today, India is counted among the most important emerging economies of the world but employment conditions in the country still remain poor. Overview: Slide What seems to be the problem? Although these figures, based on National sample Survey Organisation (NSSO) surveys, do not capture many types of skills that are informally acquired, it still
Rating:Essay Length: 269 Words / 2 PagesSubmitted: April 27, 2015 -
The Study of Massage/ Kinesiology
There are many aspects on the study and meaning of kinesiology. Some of these ways are; applied kinesiology, kinesiology medicine research, and specialized and energy kinesiology. The study kinesiology and massage therapy is believed to go hand and hand. Many will say that without the proper knowledge of kinesiology and muscle movements, you can not provide a patent with all that is needed for a proper massage. As we approach new years, many individuals are
Rating:Essay Length: 1,445 Words / 6 PagesSubmitted: November 16, 2009 -
The Sub-Saharan Lion
The Sub-Saharan Lion is one of the worlds most well-known animal, however most people are not aware of the various subspecies of lion. A subspecies is a population of animals which, through evolution, has acquired specific characteristics which are unique to that particular population. There are various subspecies of lion, which include the Barbary or Atlas Lion, the Middle-Eastern Lion, and the Cape Lion, as well as the Asiatic Lion, which is clinging on the
Rating:Essay Length: 1,172 Words / 5 PagesSubmitted: December 21, 2009 -
The Sun
the sun The Sun is the most prominent feature in our solar system. It is the largest object and contains approximately 98% of the total solar system mass. One hundred and nine Earths would be required to fit across the Sun's disk, and its interior could hold over 1.3 million Earths. The Sun's outer visible layer is called the photosphere and has a temperature of 6,000°C (11,000°F). This layer has a mottled appearance due to
Rating:Essay Length: 304 Words / 2 PagesSubmitted: February 1, 2010 -
The Sun
Our closestr star; the sun. Most people don’t really know what the sun does or what it is made out of. Some people don’t even know that the sun is a star. Well since the formation of the sun the earth and other planets would not have existed if it wasn’t for the sun’s warmth and brightness. What’s funny though is that the sun is only slightly denser than water, so it can almost float.
Rating:Essay Length: 1,241 Words / 5 PagesSubmitted: March 31, 2010 -
The Surmise of Vulcan
Since the invention of the telescope in the early 1600's several major planets have been discovered in the remote regions of interplanetary space beyond the realm of Saturn, namely Uranus, Neptune, and Pluto. The search for more such planets has continued to some extent even to this day. In the last century, although, a flurry of serious speculations were circulating among world class astronomers about the possible existence of a planet not at the outer
Rating:Essay Length: 1,096 Words / 5 PagesSubmitted: December 29, 2009 -
The Synthesis of Triphenylmethanol Via a Grignard Reagent
The Synthesis of Triphenylmethanol via a Grignard Reagent In this experiment, the organometallic regent, phenyl magnesium bromide, a Grignard Reagent, was reacted with benzophenone and hydrolyzed to synthesize triphenylmethanol. The final product, triphenylmethanol, was weighed and the melting point and percent yield were determined. The limiting reagent in the reaction was benzophenone. The melting point measured was between 153 degrees Celsius and 157 degrees Celsius. The literature value for the melting point of the product
Rating:Essay Length: 678 Words / 3 PagesSubmitted: January 16, 2010 -
The System Unit
Shaylee Johnson (377) Mrs. Porter TBE 1700 May 22, 2007 The System Unit The System unit is a case that houses the electronic components of the computer used to process data. Although many systems units resemble a box, they are available in many shapes and sizes. The case of the system unit, sometimes called a chassis, is made of metal or plastic and protects the internal electronic components from damage. All computers have a system
Rating:Essay Length: 347 Words / 2 PagesSubmitted: May 16, 2010 -
The Taiga
The Taiga The taiga is the far northern coniferous forest of Siberia and by extension of Eurasia and America, extending to the northern limit of trees. Its winters are long and freezing, but the summers are short and humid. The materials that I used were; cocoa bursts, plain white paper, paper bags, pieces of leaves from my backyard, fake plastic trees, oil pastels, fake moss, cotton, green foam, and a sun from a belt buckle.
Rating:Essay Length: 276 Words / 2 PagesSubmitted: November 17, 2009 -
The Telescope of the Astronomer
The Telescope of the Astronomer By: Marjan Syed Years and Years ago, astronomers didn't have the advantage of the telescope. They could only use their naked eye. It wasn't until Galileo first made a better telescope that it could be used for looking into space. Most every telescope you buy today is better than the one he used. These telescopes have revolutionized astronomy in general. When Galileo first took his telescope and looked at the
Rating:Essay Length: 409 Words / 2 PagesSubmitted: May 5, 2010 -
The Theoretical and the Actual Volume of Hydrogen Gas
The hypothesis was proven right. From the result of this experiment, it could be seen that there are only a few differences between the theoretical and the actual volume of hydrogen gas. This means that by creating a reaction of magnesium and hydrochloric acid, the volume of hydrogen gas at STP can be calculated. Although trial 1 and 2 had resulted differently from each others, the percent error was similar (9.9% and 9.5% respectively).
Rating:Essay Length: 515 Words / 3 PagesSubmitted: May 13, 2011