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.
4,610 Essays on Science. Documents 4,171 - 4,200
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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 -
The Theories of Ageing
Theories of ageing Introduction The fundamental biological problem which all theories of ageing are seeking to explain was stated very elegantly in 1957 by Williams when he wrote, “It is indeed remarkable that after a seemingly miraculous feat of morphogenesis, a complex metazoan should be unable to perform the much simpler task of merely maintaining what is already formed”. The difficulty in attempting to establish an understanding of that ageing is that it is not
Rating:Essay Length: 1,468 Words / 6 PagesSubmitted: November 16, 2009 -
The Theory of Evolution
Running Head: EVOLUTION The Theory of Evolution By Student’s Name Name of University Charles Darwin’s theory of evolution has been a topic of controversy since it was promulgated in the late 1800s. Nonetheless, its tenets remain strong, with many modern day scientists making discoveries that support Darwin’s theories of evolution, natural selection, and survival of the fittest. In The Origin of Species, Darwin calls the process of natural selection or survival of the fittest, the
Rating:Essay Length: 751 Words / 4 PagesSubmitted: December 17, 2009 -
The Thermic Effect of Feeding Medium Chain Triglycerides
The Thermic Effect of Feeding Medium Chain Triglycerides Even during rest the human body is constantly metabolizing energy to maintain itself. The rate at which energy is expended by the body, expressed in calories per hour, or normalized to calories expended per kg body mass per hour, is known as the metabolic rate. The basal metabolic rate (BMR) is the body’s rate of energy expenditure while at rest. This represents the energy requirements of
Rating:Essay Length: 1,636 Words / 7 PagesSubmitted: December 27, 2009 -
The Trait Theory and the Social Cognitive Theory
The Trait Theory and the Social- Cognitive Theory differ in several ways. The Trait Theory suggests that people are who they are born with certain traits or characteristics. Inherited traits determine who you are and what you are. There are five trait clusters that are used to categorize a person. This suggests that people belong to one of the personality types; however the traits are measured in different degrees. This all probably means that you
Rating:Essay Length: 334 Words / 2 PagesSubmitted: November 26, 2009 -
The Triassic-Jurassic
The Triassic-Jurassic Boundary Extinction There have been five major extinction events in geologic history. The largest of which was the Permian-Triassic extinction that occurred approximately 251 million years ago. During this extinction, 96% of marine species and 70% of terrestrial vertebrate species went extinct. Other extinction events include the Cretaceous- Tertiary and the End Ordovician. The Triassic-Jurassic boundary extinction occurred 200 million years ago during the Phanerozoic eon. The extinction occurred just before Pangaea broke
Rating:Essay Length: 321 Words / 2 PagesSubmitted: November 20, 2009 -
The Tropical Rainforests of the World
The Tropical Rainforests of the World In this term paper, I will explain the great importance of the tropical Rainforests around the world and discuss the effects of the tragedy of rainforest destruction and the effect that it is having on the earth. I will talk about the efforts being made to help curb the rate of rainforest destruction and the peoples of the rainforest, and I will explore a new topic in the
Rating:Essay Length: 5,592 Words / 23 PagesSubmitted: April 8, 2010 -
The Truth Behind Breast Cancer
The Truth behind Breast Cancer Upon review of the journal article entitled : “Is Breast Cancer Prognosis Inherited,” we find that there is an ongoing discussion that breast cancer may be an inherited condition and what are the preventative measures to take to possibly prevent this killer. Breast cancer is a group of rapidly, reproducing, undifferentiated cells in the area of the breast in women. The earliest changes occur in the epithelial cells of the
Rating:Essay Length: 757 Words / 4 PagesSubmitted: January 30, 2010 -
The Twin Supergiants: Alpha and Beta Centauri
Hadar, also known as Beta Centauri, is the 10th brightest stars (11th as viewed from Earth). Hadar is a blue-white super giant in the constellation Centaurus (Cen). In about 4,000 years, the motion of Alpha Centauri, who’s proper name is Rigel Kentaurus, will carry it close enough to Hadar that they will appear to be a magnificent double star. Because of the distance away from Earth that Alpha and Beta Centauri are (approximately 90 parsecs),
Rating:Essay Length: 711 Words / 3 PagesSubmitted: January 17, 2010 -
The Two Faces of Human Cloning
The Two Faces of Human Cloning “Human cloning is deeply troubling.” That is what President of the United States of America, George Bush, has to say about the notion of cloning humans. President Bush strongly supports legislation banning all human cloning. I, myself, believe not all human cloning is favorable or unfavorable. I believe that stem cell cloning should be allowed and that reproductive cloning should be banned. When most people think of cloning they
Rating:Essay Length: 895 Words / 4 PagesSubmitted: November 30, 2009 -
The Tyrant Lizard King
The Tyrant lizard king By looking at the title do you know what it is about? The Tyrant Lizard king is actually the nickname of a dinosaur you probably do know which is, Tyrannosaurus Rex. The T. Rex was about Forty feet long, about fifth teen to twenty feet tall. Although the Tyrannosaurus Rex was big it was not the biggest dinosaur, compared to other dinosaurs he was quite small! Unlike what you may think,
Rating:Essay Length: 258 Words / 2 PagesSubmitted: April 7, 2010 -
The Ultimate Explosion - Atomic Bomb World War 2
In my opinion, the atomic bomb was the reason the Second World War ended, therefore, it saved many lives. Imagine how many lives would have been lost if the war had continued. Millions of lives had already been lost, and by dropping atomic bombs, less than 130,000 more were lost, and this eventually led to the surrender of Japan and the end of the war. Since then, nuclear weapons have not been used, although they
Rating:Essay Length: 346 Words / 2 PagesSubmitted: January 6, 2016 -
The Uncertainties of Genetically Modified Foods
The Uncertainties of Genetically Modified Foods Naomi Lim Food is not what it used to be. With progress in various types of technology, especially in genetic engineering, farmers and scientists have changed the way in which food is grown and made, raising questions about these methods and their possible risks and effects. What is clear is that there is not enough information on the consequences of genetically modified foods on human health as of yet.
Rating:Essay Length: 1,401 Words / 6 PagesSubmitted: November 28, 2009 -
The Underlining Issue of the Case Is That Coach P Is Lack of Leadership Skill, Why?
The underlining issue of the case is that Coach P is lack of leadership skill, Why? 1. Coach P did not develop a concept of team building within the Varsity team 2. In the case stated that the team members in the varsity team did not cooperate very well and very individualistic, where Coach P needs to develop a team building program to strengthen the relationship between team members * Each team members must create
Rating:Essay Length: 271 Words / 2 PagesSubmitted: April 22, 2017 -
The Universe
Humans live on a small planet in a tiny part of a vast universe. “This part of the universe is called the solar system, and is dominated by a single brilliant star-the sun.” (Skywatching 230) The solar system is the earth’s neighbourhood and the planets Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto are the Earth’s neighbours. They all have the same stars in the sky and orbit the same sun. Scientists believe the
Rating:Essay Length: 283 Words / 2 PagesSubmitted: February 12, 2010 -
The Us Missions to Mars
Three weeks after the failure of Mariner 3, Mariner 4 was successfully launched on November 28, 1964. For its time, Mariner 4 was an amazing piece of equipment. Its basic structure was an eight-sided magnesium framework with seven electronics compartments. Four solar panels were attached to the top or sunward side of the octagon, which collected sunlight for electrical power. It contained a television camera and six other instruments, which were hoped to be used
Rating:Essay Length: 5,563 Words / 23 PagesSubmitted: December 16, 2009 -
The Use of a Bacterial Plasmid to Clone and Sequence a Human Gene
#1. a) The Use of a Bacterial Plasmid to Clone and Sequence a Human Gene The process begins with restriction endonucleases scanning and binding to double-stranded DNA at specific base-pair sequences, the recognition sites, in a predictable manner. The restriction sites are usually 4 to 8 base pairs long and are characterized by the palindromic sequences, with both strands having the same sequence when read in opposite direction. After the restriction endonuclease binds, it starts
Rating:Essay Length: 1,304 Words / 6 PagesSubmitted: November 14, 2009 -
The Use of Genetically Modified Salmon
The Use of Genetically Modified Salmon Throughout history there has always been a need to produce large quantities of crops and livestock which contain the most desirable phenotype. Farmers select for these desirable traits on the most fundamental level employing techniques such as selective breeding and the use of fertilizers. However with the ever growing expansion of today’s society the ability to produce sufficient resources using conventional agricultural methods is limited. The science of biotechnology
Rating:Essay Length: 1,875 Words / 8 PagesSubmitted: May 31, 2010 -
The Virginia Flying Squirrel
“Northern Virginia Flying Squirrel” The northern flying squirrel is a small creature that spends most of its time in trees. They have large black eyes, round like ears, and long whiskers. Their fur has a variety of colors such as: gray, silver, and brown, and their bellies are mostly white, with a lead color at the base. These cute furry animals have what is called a “flight membrane,” which is also a patagium that extends
Rating:Essay Length: 887 Words / 4 PagesSubmitted: December 6, 2009 -
The Vsepr Theory
THE VSEPR THEORY The VSEPR stands for Ў°Valence Shell Electron Pair RepulsionЎ±, the theory is used for predicting the structure of molecules. The theory can be used in two main steps. First, the number of all bonding pairs and lone pairs is calculated, next, these pairs of electrons are rearranged in order to minimize the repulsion between them. Different number of bonding pairs and lone pairs of electrons can form different structure. When there are
Rating:Essay Length: 330 Words / 2 PagesSubmitted: November 17, 2009 -
The War on Science Waged by the Republican Party and Especially by the George Bush Administration
The War on Science Waged by the Republican Party And Especially by the George Bush Administration I was taught that science is for the quest of truth, or ‘The Truth’. As humans’ new quest has evolved to the industry (at least what media dictates it to be), many people make it their mission to adjust others to this quest, ironically; it’s the people who would profit if the world’s state of mind would change
Rating:Essay Length: 658 Words / 3 PagesSubmitted: January 12, 2010 -
The Wilson’s Disease
The Wilson’s Disease The Wilson’s disease is a genetic disorder of the thirteenth chromosome. This disease is an inherited disease and it is mostly likely to be in all of the offspring if a parent had it. It is the unnecessary increase of copper in the liver and brain. This is cause by a defect in the transport of copper. Wilson’s disease is a rare autosomal recessive disorder of the copper transport resulting in the
Rating:Essay Length: 441 Words / 2 PagesSubmitted: February 17, 2010 -
The World Is a Text
essay is a piece of writing, usually from an author's personal point of view. Essays are non-fiction but often subjective; while expository, they can also include narrative. Essays can be literary criticism, political manifestos, learned arguments, observations of daily life, recollections, and reflections of the author. The definition of an essay is vague, overlapping with those of an article and a short story. Almost all modern essays are written in prose, but works in verse
Rating:Essay Length: 673 Words / 3 PagesSubmitted: November 10, 2009 -
The World Today
Washington's ultimate prize of changing the leadership of Iraq may be tantalisingly close. But the only policies which are coordinated and focused are those of its present President Saddam Hussein. The international community is fragmented and the Iraqi opposition in disarray. Indeed, the tensions between those ranged against Saddam are mounting in a manner perhaps more appropriate to a Gilbert and Sullivan operetta than a conflict which will arguably influence the political future of the
Rating:Essay Length: 655 Words / 3 PagesSubmitted: November 18, 2009 -
The Writing Style of Hemingway
The Writing Style of Hemingway For Whom the Bell Tolls portrays the typical Hemingway characters and addresses the issues of machoism and womanizing. In this novel, as in many of his other works, Hemingway employs extensive use of what is known as the Hemingway Code. Numerous influences from various people and events from his personal life also had an effect on his writing. Many people hold the opinion that there has been no American writer
Rating:Essay Length: 2,036 Words / 9 PagesSubmitted: November 25, 2009 -
The Xbox 360
The Xbox 360 Has it in point of fact been five years? A basic ensure of the calendar reveals that yes, indeed, the Xbox 360 is blowing out five candles on its cake this week (a task my non-slimline model will have little difficulty with once the fans get going), but it's hard to accept the fact that Microsoft's concave champion has been around for half a decade at this point. Not, of course, that
Rating:Essay Length: 1,199 Words / 5 PagesSubmitted: May 3, 2011 -
Themes of Pleasantville
Themes of Pleasantville Stating the theme of this is quite difficult. The oblivious themes would be growing up, and sister-brother relationship. All though these themes are supported throughout the film, aren't they the thematic essence of this film. David (Bud) and his sister Jennifer (Mary Sue) both experience a kind of different maturing process than the average teen (being sucked into a television show must be considered different). Since this film is takes places in
Rating:Essay Length: 493 Words / 2 PagesSubmitted: May 12, 2011 -
Theories of Biology
Theories of Biology pg.1 The major theories of biology are evolution of natural selection, biological classification, inheritance, cells, bioenergetics, homeostasis, and ecosystems. Evolution by natural selection is a process that occurs over successive generations. Inheritance is a theory of how characteristics of one generation are derived from earlier generations. Cells theory is that all organisms are composed of cells and that all cells come from preexisting cells. Biological classification is a group of species who
Rating:Essay Length: 308 Words / 2 PagesSubmitted: April 21, 2010 -
Theories of Mass Extinction
Scientists have found the first evidence that a devastating meteor impact in the Middle East might have triggered the mysterious collapse of civilisations more than 4,000 years ago. Studies of satellite images of southern Iraq have revealed a two-mile-wide circular depression which scientists say bears all the hallmarks of an impact crater. If confirmed, it would point to the Middle East being struck by a meteor with the violence equivalent to hundreds of nuclear bombs.
Rating:Essay Length: 568 Words / 3 PagesSubmitted: February 15, 2010 -
Theory of Darwin
Bill Law Intro. To Anthropology Prof. Salazar 4 February 2003 A Theory Evolves 1. Darwin was unable to explain the manner in which life, specifically the genetic makeup of a life form could change to allow natural selection to occur. The modern synthesis of genetics and the new evolutionary theory filled in the gap by explaining the occurrences of mutation and other sources of variation in a population through a genetic change in the populations
Rating:Essay Length: 1,027 Words / 5 PagesSubmitted: February 1, 2010