Science Essays Examples For College & High School Students in PDF

14278 total results

An Introduction to the UFO’s and the First Documented Sightings (1514 words, 3 pages)

Outline Thesis We once believed that Earth is the only planet in the Universe that supports life. Today there is overwhelming evidence that not only suggests, but supports the very real possibility that we may share the Universe with other intelligent beings. I. Things in the Sky A. The First ... Read More

A History of Thomas Alva Edison and Tesla (2518 words, 5 pages)

Thomas Alva Edison was declared the most important man of the century according to Time magazine. He graced the world with his incandescent bulb, powered by a rapidly growing electrical movement of which he was a major leader. What most people do not understand is the fact that if the ... Read More

Ethical Challenges Surrounding the Birth of Andi the Transgenic Rhesus Monkey (1995 words, 3 pages)

October can be a month of festivity. Usually birthdays are revered and holidays are celebrated. In the October of 2000, however, an unusual birthday was commemorated. In that month, Andi, a transgenic animal, was born. The reason why his birth should be regarded with great esteem is not only that ... Read More

An Inside Look at the Twin Study Method Used by Behavioral Geneticists (1580 words, 4 pages)

Behavioral genetics is a field of research that investigates the relative effects of heredity and environment on behavior and ability (Plomin, 1997). Two of the primary methods used by behavioral geneticists are the twin study method, first used by Galton (1975) in his studies of heredity, and the adoption method. ... Read More

A Review of the Gaia Hypothesis by James Lovelock and Lynn Margulis (2579 words, 4 pages)

The Gaia HypothesisThe Gaia Hypothesis is a hypothesis that was developed by James Lovelock and Lynn Margulis in the late 1970's. James Lovelock is a British scientist, an atmospheric chemist, and also an inventor with an education in human physiology. Lynn Margulis was a microbiologist during the 1970's at Boston ... Read More

An Introduction to the History of Scientific Revolution (1721 words, 3 pages)

Scientific RevolutionThe Scientific Revolution was a time of change and new thinking. Many innovators had new ideas about the earth and many other things, but most challenged the Church in thinking of these new concepts. This revolution was so important to the development of mankind that modern historians honor the ... Read More

A Speech About Scientist Who Have Shaped the Contemporary View of the World (2441 words, 9 pages)

A. Introduction My Speech is about the scientists who had the main influence on our current time and have shaped our contemporary view of the world (Also called in Theology the "Zeitgeist"). I have chosen two of them who were in many ways just opposites. One is extremely famous and ... Read More

Examples of Receptor Multiplicity by Christian George (6061 words, 11 pages)

Receptor Multiplicity By Christian GeorgeOver the past three decades the diversity and selectivity of ligands has increased and it has become clear and evident that multiple subtypes of receptors exist. That is subtypes within many previously defined classes of receptors. Due to the advances in scientific research especially over the ... Read More

The Steps in Understanding Genetic Engineering (2914 words, 5 pages)

Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree shrew, to ape, to human far exceeds the time from analytical engine, to calculator, to computer. But science, in the past, has always remained distant. ... Read More

A Biography of Rachel Carson the Science and Nature Writer (2132 words, 7 pages)

Rachel Carson is considered one of America's finest science and nature writers. She is best known for her 1962 book, Silent Spring, which is often credited with beginning the environmental movement in the United States. The book focused on the uncontrolled and often indiscriminate use of pesticides, especially dichlorodiphenyltrichloroethane (commonly ... Read More

An Introduction to the Origins of the Quantum Theory (1438 words, 5 pages)

IntroductionThe Quantum Theory was the second of two theories which drastically changed the way we look at our physical world today, the first being Einsteins Theory of Relativity. Although both theories revolutionized the world of physics, the Quantum Theory required a period of over three decades to develop, while the ... Read More

An Introduction and a Definition of Biological Warfare (1457 words, 3 pages)

I Introduction1) Definition of Biological Warfare2) Talking PointsII Biological Weapons1) Different Types Used2) ApplicationsIII History of Biological Warfare1) How It Has Been Used in Past Wars2) How We Can Expect It to Be Used in the FutureIV Are We At Risk of Being Attacked With Biological Weapons?1) Defending Ourselves Against ... Read More

An Overview of the Three Astronomic Facts That Disapprove the Theory of Evolution (2311 words, 4 pages)

Creation vs. EvolutionWhile the theory of evolution is very commonly accepted amongst most scholars and intellectuals, when the scientific facts used to 'support' it are closely examined, it becomes apparent that it is merely that a theory. Inaccurate information, misguided philosophers, and in some cases, just plain ignorance, have all ... Read More

An Analysis To Clone or Not To Clone (2005 words, 4 pages)

To Clone or Not to CloneOn a soft summer night July 5th, 1966, at 5 p.m., the most famous lamb in history entered the world. (Kolata, pg 1) Many people wonder if this is a miracle for which we can thank God, or an ominous new way to play God ... Read More

Analyzing the Origin of Adaptive Mutations in Saccharomyces Cerevisiae (1556 words, 6 pages)

Abstract Biological mutations play an integral role in the long-term survival of populations due to the potential benefit that the genetic variance provides. The main objective in this laboratory was to utilize the replica-plating technique to determine whether copper-tolerant mutants in Saccharomyces cervisiae arise spontaneously or if they are induced ... Read More

An Introduction to the History and Origins of the Field of Chemistry (1543 words, 3 pages)

The History of ChemistryChemistry is the science of the composition and structure of materials and of the changes that materials undergo. It is also used in improving standards of living, making it possible for such substances as rubber, nylon, and plastics to be made from completely different materials. New materials ... Read More

The History and Benefits of the Cloning Technology (1383 words, 3 pages)

The first successfully cloned mammal was created on February of 1997. It was a breakthrough in scientific research when the Scottish scientists cloned a sheep by the name of Dolly. The method of cloning requires the extraction of DNA from anywhere on a subjects body and inserting that DNA into ... Read More

An Introduction to the Field of Chemical Engineering (2234 words, 4 pages)

What exactly is a chemical engineer? Many would say that it is simply a "chemist who builds things" or an "engineer who makes chemicals. However, neither of these statements is completely true. The term "chemical engineer" is not meant to actually describe what it is a chemical engineer does, but ... Read More

An Introduction to the Positive Effects and Negative Effects of Nuclear Energy (7763 words, 14 pages)

Nuclear energy 28 page term paperNuclear energy, also called atomic energy, is the powerful energy released by changes in the nucleus (core) of atoms. The heat and light of the sun result from nuclear energy. Scientists and engineers have found many uses for this energy, including the production of electric ... Read More

An Evaluation of the Rate of Reaction of Magnesium of Hydrochloric Acid (3075 words, 12 pages)

BACKGROUND INFORMATION What affects the rate of reaction? 1) The surface area of the magnesium. 2) The temperature of the reaction. 3) Concentration of the hydrochloric acid. 4) Presence of a catalyst. In the experiment we use hydrochloric acid which reacts with the magnesium to form magnesium chloride. The hydrogen ... Read More

An Analysis and an Introduction to Magnetism (2265 words, 4 pages)

Magnetism has long been one of the great mysteries of the world. It has gone for so long unexplained and although there has been a lot of progress in figuring out how magnetism works and what its caused by, it still isnt completely understood. There are many theories about magnetism, ... Read More

An Analysis of Alternative Sources of Fuel and Energy Available Today (3079 words, 10 pages)

Introduction Energy is the foundation of industrialized world without energy, life as we know it would cease to exist. The yearly energy and fuel consumption rates have risen dramatically within the last years. This phenomenon is a direct result of globalization pressures, the international information network we call the Internet, ... Read More

An Introduction to the Knowledge of Genoms and DNA (5483 words, 8 pages)

Life as we know it is specified by genomes. Every organism posseses a genome that contains the biological information needed to construct and maintain a living example of that organism. Most genomes, including those for all cellular lifeforms, are made of DNA (deoxyribonucleic acid) but a few viruses have RNA ... Read More

The Early Life of Stephen W. Hawking Stephen and His Grand Unification Theory (1405 words, 2 pages)

Stephen W. Hawking Stephen W. Hawking has a mind set that is beyond today's general way thinking. His attempts to identify a grand unification theory that unites everything we know about the physical world and science far exceeds any realm of thinking that has ever graced this earth. Hawking was ... Read More

Genetic Engineering, History and Future Altering the Face of Science (2931 words, 4 pages)

Genetic Engineering, history and future Altering the Face of Science Phillip O. Alvarez Z.Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time from analytical engine, to ... Read More

An Introduction to the Life of J. Robert Oppenheimer (1882 words, 6 pages)

Its strange how the thousands of events that made up one mans life eventually had a role in the fate of almost 200 thousand Japanese people and later the entire world. Here is the life of the one man. The man is J. Robert Oppenheimer. So little had an impact ... Read More

A Discussion as to Whether Cloning Could Save a Species From Extinction (1963 words, 4 pages)

How could cloning save a species from going EXTINCT? It has been stated by many scientists, particularly those in the region of Japan, who believe that cloning could be used to save a species from extinction by cloning the dying members of the breed that is going extinct. However, this ... Read More

A Description and History of Alchemy in Ancient Egypt (3787 words, 12 pages)

ALCHEMY The science by aid of which the chemical philosophers of medieval times attempted to transmute the baser metals into gold or silver. There is considerable divergence of opinion as to the etymology of the word, but it would seem to be derived from the Arabic althe, and kimyachemistry, which ... Read More

A Description of Genetic Engineering and Its Potential Use in Huntington’s Disease Treatment (1924 words, 5 pages)

What's Genetic Engineering?Nowadays, scientists have learned a great deal about the chemical changes taking place inside living things. They have deciphered the code, DNA, by which animals and plants pass on their characteristics to their offspring. They have even leant how to alter that code to produce life forms with ... Read More

The Concept and Applications of a Laser (2004 words, 3 pages)

Laser is an acronym for light amplification by stimulated emission of radiation. In the last century many types of lasers have been used for many different applications from welding to surgery to military and even many uses in every day life by harnessing the principles of light and stimulated emission.To ... Read More

Science Essay Examples