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 2,341 - 2,370
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Is There Life on Mars?
IS THERE LIFE ON MARS? If you have a chance to go to a country side where you may have a clear view of the sky at night, you probably will discover a red star. That is probably Mars. With its bright and reddish color, Mars stands out for and easily noticed since the ancient times (Discovery). In 1877, astronomer Giovanni Schiaparelli discovered several crisscrossing lines on Mars that he believed to be the
Rating:Essay Length: 2,328 Words / 10 PagesSubmitted: February 9, 2010 -
Is Weed as Bad as They Say?
Is Weed As Bad As They Say? Illegal drug use is a major problem in the world today. Millions of dollars are spent every year to prevent the distribution of drugs. All drugs is smuggled into the United States concealed in false compartments, fuel tanks, seats, tires of private and commercial vehicles, pickup trucks, vans, mobile homes, and horse trailers (Pierson. 12-8-01) Large shipments is usually smuggled in tractor-trailer trucks in false compartments and
Rating:Essay Length: 1,260 Words / 6 PagesSubmitted: March 14, 2010 -
Is Xenotransplantation an Ethical Solution or Disaster?
Is Xenotransplantation an ethical solution or disaster? The audience for this paper is comprised of those readers looking to gain knowledge on the issue of xenotransplantation. This group of people is unaware of the dynamics of the ethical arguments surrounding this current issue. This audience does not have a specific age or belief, reflecting the varied positions of the argument. Due to this hunger for factual information, they do not wish to have someone else’s
Rating:Essay Length: 1,937 Words / 8 PagesSubmitted: December 24, 2009 -
Is Yawning Contagious
Is Yawning Contagious? Yawning is contagious. You can "catch" a yawn. I had to stifle many yawns as I read and wrote about this phenomenon. Yawning is probably programmed into us as stated by Dr. William Broughton, director of the Sleep Disorders Center at the University of S. Alabama Knollwood Hospital. Yawning is not contagious from species to species. You will not see a baboon for instance yawn when he sees a human yawn. If
Rating:Essay Length: 509 Words / 3 PagesSubmitted: May 14, 2010 -
Isaac Newton
Isaac Newton Isaac Newton is one of the most influential scientists of all time. His advances in the study of physics, calculus, philosophy and astronomy are beyond any form of measurement. Newton’s ideas are constantly being used every single day. Newton’s concept of gravity and laws of motion are only a few ideas that individuals still use around the world. Newton’s genius can only be compared to few others in the world, making him one
Rating:Essay Length: 460 Words / 2 PagesSubmitted: April 17, 2010 -
Isolation & Identification of the Major Constituent of Clove Oil with Steam Distillation
Isolation & Identification of the Major Constituent of Clove Oil with Steam Distillation The purpose of this laboratory experiment was to isolate and characterize clove oil in order to understand how to isolate organic compounds with high boiling points, how to perform and interpret qualitative tests for organic compound functionality, and to continue to learn how to perform and interpret IR spectrometry. Steam distillation was used in order to prevent the organic compound from decomposing
Rating:Essay Length: 1,312 Words / 6 PagesSubmitted: December 28, 2009 -
Isolation and Purification of Cholesterol from Egg Yolk
The purpose of this experiment was to isolate and purify cholesterol from egg yolks. Two hard boiled egg yolks were twice extracted with diethyl ether and methanol, with the filtrate collected via vacuum filtration. Potassium hydroxide pellets were added to the filtrate, the ether was distilled off, and the mixture was saponified by reflux. The crude cholesterol was isolated through a series of ether extractions and aqueous washes; then the ether was dried with MgSO4
Rating:Essay Length: 281 Words / 2 PagesSubmitted: November 16, 2009 -
Isolation of the Active Ingredient in an Analgesic Drug
Isolation of the active ingredient in an Analgesic Drug from extraction, filtration and melting point. Chm237 Abstract: Acetaminaphen was crushed then extracted for the active ingredient by mixing it with methanol. Then separated from the binders by centrifugation and a filtration technique using a Pasteur pipet packed with alumina. The remaining solvent was then evaporated to yield the solid analgesic(.2295g, 45.9% yield) which was collected by filtration and tested for the purity of the drug
Rating:Essay Length: 773 Words / 4 PagesSubmitted: March 4, 2010 -
Isopod Behavior
Table to show the effect of humidity on the average movement of isopods Time/min (+/-0.5) Chamber with desiccant (dry) Chamber with wet towels (humid) 0 10 10 5 9 11 10 8 11 15 8 11 20 7 12 25 6 13 30 5 14 35 5 15 40 5 15 45 5 15 Table to show the effect on the average movement of isopods (control) Time/min (+/-0.5) Chamber with desiccant (dry) Chamber with wet
Rating:Essay Length: 302 Words / 2 PagesSubmitted: May 25, 2015 -
Isotopic Palaeodiet Studies of Ancient Egyptian Fauna and Humans
A REVIEW OF ALEXANDRA H. THOMPSON, MICHAEL RICHARDS, ANDREW SHORTLAND AND SONIA ZAKRZEWSKI’s “ISOTOPIC PALAEODIET STUDIES OF ANCIENT EGYPTIAN FAUNA AND HUMANS“ Joey Schwegel The Journal of Archaeological Science (March, 2005) presented the study conducted by Alexandra Thompson, Michael Richards, Andrew Shortland and Sonia Zakrewski titled “Isotopic palaeodiet studies of Ancient Egyptian fauna and humans”. The researchers noted in their introduction that “Egypt is one of the most intensively studied cultures in the world.”
Rating:Essay Length: 797 Words / 4 PagesSubmitted: March 13, 2010 -
Issue of Hiv
The issue of HIV/AIDS has been a developing problem since the early 1980's. It is an issue that has sparked fear in everyone, but everybody has narrowed it down to certain people that can get AIDS. The regular AIDS victim is not an regular drug user or a practicing homosexual; it is anyone, anyone who has unprotected sex, anyone who has had a blood transfusion in the past twenty years, or anyone who was
Rating:Essay Length: 910 Words / 4 PagesSubmitted: March 7, 2010 -
Issue on Ozone Depletion
Ozone Depletion The ozone layer is a layer in the stratosphere, which is about 15 and 30 kilometers in altitude, containing a relatively high concentration of ozone. The upper portion of the earth’s atmosphere is called upper-level ozone. This layer of the atmosphere, extending from about twelve to twenty four miles above the planets surface, and is known as the stratosphere. The ozone layer protects the Earth by absorbing some wavelengths of solar ultraviolet radiation
Rating:Essay Length: 681 Words / 3 PagesSubmitted: November 14, 2009 -
It Application in Health Care
Introduction: After surfing for hours online, I have come across several interesting literatures that deal with the four core IT applications. I was overwhelmed by so much information that I couldn’t even decide which literature to choose. But alas, I have come across a litereature entitled Patient Safety: The Role of Information Technology . I was quite exstatic after I read this article because this is one of the project my organization is trying to
Rating:Essay Length: 284 Words / 2 PagesSubmitted: November 9, 2009 -
It in Healthcare
Since taking this class on Health Care Informatics, I have learned quite a great deal about how IT (Information Technology) is being used and how IT is helping the healthcare industry improve its services and patients safety. After receiving the assignment on the Current Technology in Organization, I promptly scheduled an interview with one of my friends that work both as a programmer and a technician in the IT department of our organization. As per
Rating:Essay Length: 1,212 Words / 5 PagesSubmitted: March 7, 2010 -
Italy
Italy is slightly cooler in the summer than the rest of the country. However, it is much cooler in winter. The lowest annual amount of rain fall on record in Italy is 18 in. The highest annual amount of rain fall on record is 60 in. Italians pride themselves on their wonderful cooking. For example Naples is known for plain pizza crust and stuffed peppers. Genoa is known for gnocchi al pesto (tiny dumplings with
Rating:Essay Length: 613 Words / 3 PagesSubmitted: February 6, 2010 -
Izzat
Winglets are one of the most successful examples of a NASA aeronautical innovation being utilized around the world on all types of aircraft. Winglets are vertical extensions of wingtips that improve an aircraft's fuel efficiency and cruising range. Designed as small airfoils, winglets reduce the aerodynamic drag associated with vortices that develop at the wingtips as the airplane moves through the air. By reducing wingtip drag, fuel consumption goes down and range is extended. 2
Rating:Essay Length: 523 Words / 3 PagesSubmitted: May 11, 2011 -
I’m a Libertarian
The best way to summarize my political views would to say I am libertarian. I believe in the rights on an individual and that they have a personal responsibility for their own well being. I believe in free-market economy of abundance and prosperity. Like other libertarians, I want a foreign policy of non-intervention, peace, and free trade. A single leader should not govern a whole nation which is full of different views. The government should
Rating:Essay Length: 1,166 Words / 5 PagesSubmitted: March 24, 2010 -
Jack Hall
Jack Hall is een klimatoloog die tijdens een lezing zijn bezorgdheid uitspreekt over een dreigende verandering van klimaat. Hij doelt hiermee niet op een geleidelijke verandering, maar een zeer drastische. In de geschiedenis is zo'n wijziging ййn keer eerder voorgekomen en dat had toen een ijstijd tot gevolg. Er is maar ййn aanwezige die hem serieus neemt en dat is Terry Raspon. Rapson is ook veel met het klimaat bezig en heeft ook diverse artikelen
Rating:Essay Length: 286 Words / 2 PagesSubmitted: May 16, 2010 -
Jacobs Syndrome
Jacob’s syndrome 2 Anatomy and Physiology: Jacob’s syndrome Over the past 40 years people have been aware of Jacobs’s syndrome, a rare chromosomal genetic syndrome which occurs when a male receives an extra Y chromosome, resulting in a sequence in XYY. Males normally have XY and females normally have XX sequencing 1. Chromosomes store genetic information in all human beings. There are 23 pairs of chromosomes and 46 in total. On the 23rd pair holds
Rating:Essay Length: 776 Words / 4 PagesSubmitted: February 10, 2010 -
Jadied
Chapter 11 The Skeptic: David Hume 3. What is Locke’s “Egocentric Predicament?” The Egocentric Predicament is a problem associated with our ideas and how we perceive the world. Locke believes all knowledge come from personal ideas; these ideas are based upon our perception of the world. However, if we only see the world based on our own ideas how can there be any external or objective world. This begs questions similar to; can I really
Rating:Essay Length: 478 Words / 2 PagesSubmitted: March 31, 2010 -
James Parkinson
James Parkinson first discovered Parkinson's Disease in 1817. Parkinson's Disease is a common neurologic disorder for the elderly. It is a disorder of the brain characterized by shaking and difficulty with walking, movement, and coordination. This disease is associated with damage to a part of the brain that controls muscle movement. Parkinson's Disease is a chronic illness that is still being extensively studied. Parkinson's Disease has caused problems for many people in this world and
Rating:Essay Length: 653 Words / 3 PagesSubmitted: December 28, 2009 -
Japanese Cherry Trees
Cherry Blossoms The cherry blossoms are the unofficial flower of Japan. This is one celebration that has been apart of Japans culture for many years. There are many species of cherry blossoms that bloom in just a couple of days in spring. The citizens of Japan celebrate the bloom under trees during hanami, having parties. WHEN THEY BLOOM: The viewing of the blooming trees can be watched very easily. You can just sit under a
Rating:Essay Length: 1,338 Words / 6 PagesSubmitted: December 18, 2009 -
Japanese Diabetes
Health care issues are one of the most concerning issues among the various social and economic issues the world is facing today. There was a time when health care was not provided in a modern and organized form. Nonetheless, with the passage of time, not only the health problems increased but also the health care services developed and are provided under various private as well as local organizations. However, health issues vary from one country
Rating:Essay Length: 3,522 Words / 15 PagesSubmitted: February 27, 2010 -
Jason's Journey - a Quest for Chemistry
Jason’s Journey is a sci-fi short movie about a little boy named Jason who has a strange dream about his family visit to the beach. It begins with his family arriving to the beach searching for a spot to settle down. Jason and his sister began to fight over the water. They both are thirsty and are ready to enjoy their afternoon. Suddenly all of their belongings disappear and all they left with are
Rating:Essay Length: 722 Words / 3 PagesSubmitted: June 9, 2010 -
Jazz
music called Jazz was born sometime around 1895 in New Orleans. It combined elements of Ragtime, marching band music and Blues. What differentiated Jazz from these earlier styles was the widespread use of improvisation, often by more than one player at a time. Jazz represented a break from Western musical traditions, where the composer wrote a piece of music on paper and the musicians then tried their best to play exactly what was in the
Rating:Essay Length: 508 Words / 3 PagesSubmitted: November 23, 2009 -
Jean Piaget's Theory of Cognitive Development
Halfacre JEAN PIAGET'S THEORY OF COGNITIVE DEVELOPMENT Megan Halfacre Pensacola State College DEP 2004 – Human Growth and Development Jamie Russell, M.S. March 3, 2017 ________________ Jean Piaget, a Swiss clinical psychologist, known for his pioneering work in child development, is one of the most significant figures in the study of child development. He established his cognitive developmental theory based on the idea that children vigorously build knowledge as they discover and influence the world
Rating:Essay Length: 1,356 Words / 6 PagesSubmitted: April 25, 2017 -
Jeannie Brown and Invasive Group a Streptococcus
our everyday lives bacteria is constantly surrounding us, some of the bacterium that we encounter are beneficial to us but then there are the ones that are severely detrimental to our health. The way that they effect a persons body can differ from person to person. Many of the “microscopic foes” are very resilient and have a very fast reproduction rate. Not only do they reproduce quickly they sometimes seem to outsmart our immune system
Rating:Essay Length: 1,271 Words / 6 PagesSubmitted: June 4, 2010 -
Jet Propulsion
Jet Propulsion Propulsion is a word that is derived from two Latin words: pro meaning before or forwards and pellere meaning to drive. To push forward or drive an object forward is Propulsion. A propulsion system produces thrust to push an object forward. Newton’s third law is the basis of the generation of thrust on airplanes. The engine accelerates a gas, and the reaction to this acceleration produces a force on the engine. Different propulsion
Rating:Essay Length: 375 Words / 2 PagesSubmitted: January 16, 2010 -
Job Enrichment and Job Rotation
There are several common approaches to make the work place better, but it?s all up to the employees to put in good quality day of work. There are these three ways to make the employees happier and that is job enlargement, job rotation, and job enrichment. They are different in some ways but alike in many. The first way is job enlargement. This way is to expand in several tasks than just to do one
Rating:Essay Length: 345 Words / 2 PagesSubmitted: December 29, 2009 -
John Newlands - Idea of Repeating Octaves of Properties
John Newlands - idea of repeating octaves of properties Dimitry Mendeleyev - arranged known elements according to atomic weights and properties. Made predictions which were later proven accurate. Henry Moseley - utilised X-Ray. Said that periodic table should be based on atomic numbers of elements. Dalton = atom as the basic unit of an element that can enter into a chemical combination// very small and indivisible// everything is made up of discreet building blocks,
Rating:Essay Length: 4,527 Words / 19 PagesSubmitted: December 7, 2009