Biology Essays Examples For College & High School Students in PDF

10822 total results

Methane by Pamela The molecule, methane, is made up of one carbon and four hydrogen atoms making the compound CH4. It is the second most important greenhouse gas. One molecule of methane is twenty times more efficient at absorbing infrared radiation than a molecule of carbon dioxide (CO2). The amount ... Read More

An Essay on the Jovian Giants Far Beyond Earth (2916 words, 3 pages)

The Jovian Giants Far beyond Earth in the solar nebula lies an ice belt and beyond that lay the four Jovian planets. They are Jupiter, Saturn, Uranus and Neptune. Jovian means "Jupiter- like" in which the rest of the jovian planets do coincide with the name. Uranus Neptune and Saturn, ... Read More

Facts About the Two Electric States According to Benjamin Franklin (2535 words, 3 pages)

ELECTRICITY I.S.U. There are two electric states. Benjamin Franklin identified them as positive and negative charges. All objects possess electricity and a neutral object possess a normal amount. For purposes of identification Negative The charge that an ebonite rod acquires when rubbed with fur. Accordingly , any other charged object ... Read More

A Brief Biography of Galileo Galilei and the Importance of His Discoveries (1852 words, 3 pages)

Galileo Galilei was an astronomer and mathematician, he was, a man ahead of his time. Galileodiscovered the law of uniformly accelerated motion towards the Earth, the parabolic path of projectiles,and the law that all bodies have weight. Among his other accomplishments was the improvement of therefracting telescope in 1610 and ... Read More

An Analysis of Functions and Complex Equations in Fractal Geometry (1393 words, 2 pages)

Fractal Geometry The world of mathematics usually tends to be thought of as abstract.Complex and imaginary numbers, real numbers, logarithms, functions, sometangible and others imperceivable. But these abstract numbers, simplysymbols that conjure an image, a quantity, in our mind, and complexequations, take on a new meaning with fractals - a ... Read More

Human Cloning and Its Ethical Considerations (1861 words, 3 pages)

Human Cloning and Its Ethical Considerations Any discovery that touches upon human creation is not simply a matter ofscientific inquiry, it is a matter of morality and spirituality as well... Each human life isunique, born of a miracle that reaches beyond laboratory science... -- President Clinton. Cloning is the production ... Read More

An Analysis of Chemical Reactions in Enzymes (1342 words, 2 pages)

Introduction "Enzymes are biological catalysts that carry out the thousands of chemical reactions that occur in living cells" (Eberhard, 1985). Enzymes are groups of proteins that are made of long chains of amino acids. They serve as catalysts by lowering the activation energy for chemical reactions. Cofactors and coenzymes are ... Read More

An Introduction to the Phenomenon of El Nino (1560 words, 2 pages)

El Nino What Are We Going To Do? Peter Hymmen Introduction What is El Nino? The man-made environmental disaster made out to be, or an escape from what researchers cannot explain? Understanding the events structure and global impact is the first step to interpreting these questions. The global population cannot ... Read More

An Analysis of the Earthquake Phenomena in the Natural Disasters (1329 words, 2 pages)

An earthquake, one of the most destructive natural phenomena, consist of rapid vibrations of rock near the earth s surface. It is the most terrifying of all natural phenomena and brings fear since ancient times because of its sudden unpredictable occurrence and enormous capacity of destruction. A single shock usually ... Read More

An Analysis of the Development of the Dna Sequencing in the Biology (1669 words, 2 pages)

In 1980, Frederick Sanger won the Nobel prize in Chemistry along with his associateWalter Gilbert. They discovered a method for DNA sequencing that allows scientists torapidly determine the chemical structure of pieces of DNA. This method is known as dideoxy(or Sanger) sequencing. Sanger has said of his method to determine ... Read More

An Analysis of the General Problem After the Blowing of the Nuclear Reactor of Chernobyl (2669 words, 3 pages)

The General Problem The generation of energy from nuclear fuel reactors has been a highly controversial issue for the better part of the last century. At one point in the 1960's, nuclear power was thought to be the energy source of the future because it was considered cleaner than carbon ... Read More

An Analysis of How Any Two Plates Collide (395 words, 1 pages)

When any two plates collide, some sort of activity is bound to take place. A specific type of boundary is a convergent plate boundary. At this type of boundary, two plates are moving towards each other. Neither plate is subducted into the mantle. Many things happen when plates drive into ... Read More

The Origins of Fire, Its Different Types, and How to Prevent It (505 words, 1 pages)

How To Extinguish a FireIs fire truly a living thing? It consumes fuel and oxygen, produces heat and waste, it grows and moves. Weather fire is alive or not, it is still dangerous, so you should always treat it with care. There are four main types of fires which are ... Read More

An Analysis of the Substance Calcium in Chemistry and Biology (1137 words, 2 pages)

Calcium is the fifth most abundant substance in our body behind nitrogen, hydrogen, oxygen, and carbon. Calcium is needed in our bodies to keep us healthy and strong. Ninety-nine percent of our body s calcium is located in our bones. Calcium was named after the Latin word -calx which means ... Read More

An Analysis of the Many Scientific Discoveries in 1985 (957 words, 2 pages)

As with many important scientific discoveries, buckyball was discovered by accident. In 1985, the American chemist R. E. Smalley at Rice University, the British chemist H. F. Kroto at Sussex, and graduate students working under their direction were studying the nature of interstellar matter. They wanted to know what forms ... Read More

An Analysis of the Super-Massive Back Holes in the Center of the Galaxies (1294 words, 2 pages)

At the center of most galaxies, including our Milky Way, reside super massive black holes. Invisible by their very nature, these beasts play an important but mysterious role in the Universe. Besides being the breeding ground for some of the most famous works of science-fiction, black holes provide scientists with ... Read More

An Analysis of the Big Bang Theory and the Big Bang Model in Science (1285 words, 2 pages)

Big Bang Theory It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models Big Bang and Steady State. However, through many observational evidences, the Big ... Read More

An Analysis of the Ozone Layer and a Hole in the Theory of Science (1883 words, 2 pages)

The Ozone Layer a Hole in the Theory. Some scientists have proclaimed that the human race is slowly depleting the layer of ozone which protects us from ultra violet light. In reality, humans have very little control of the world in which we live. Scientific evidence has shown that there ... Read More

New Theories and Laws Contradicting John Dalton’s Atomic Theory (601 words, 1 pages)

In the 1800 s, John Dalton proposed the first atomictheory. Since then, scientists have learned much more aboutthe structure of an atom, and therefore the atomic theoryhas changed. Dalton had to have a basis for his ideas about atoms. The first law he based his ideas on was the law ... Read More

A Biography of Antoine Laurent Lavoisier, a French Chemist (786 words, 1 pages)

Antoine Laurent LavoisierBy Michael OsgoodNovember 1, 1998First SemesterChemistry Antoine Laurent Lavoisier was a French chemist and is considered to be the father of modern chemistry. He was the first person to develop a new theory about combustion, which in turn eliminated the old phlogistic doctrine. His studies about oxidation and ... Read More

An Analysis of Alienation Essay on Abraham Lincoln (736 words, 1 pages)

Haley AndersonEnglish, Per. A CrassApril 23, 1998 ALIENATION ESSAY Abraham Lincoln said, "It is difficult to make a man miserable when he feels he is worthy of himself and claims kindred to the great God who made him." This aptly describes the soul, spirit, and actions of Richard Wright. From ... Read More

A Biography of Alfred Nobel, a Scientist (1720 words, 2 pages)

Though most people have heard of the Nobel prizes, only a small fraction of these individuals are familiar with the intriguing life and achievements of the prizes' founder and namesake, Alfred Bernhard Nobel. Equally interesting are the contents of Nobel's will and the subsequent annual granting of prizes, funded by ... Read More

The Origin and History of Alchemy (3517 words, 4 pages)

Alchemy Fact or Phalicy ALCHEMY The science by aid of which the chemical philosophers ofMedieval times attempted to transmute the baser metals into gold orsilver. There is considerable divergence of opinion as to the etymologyof the word, but it would seem to be derived from the Arabic althe, andkimyachemistry, which ... Read More

An Analysis of Absurdity in Human Evolution (1639 words, 2 pages)

Absurdity in Human Evolution Breaking down the Antrobus Family and their tumultuous Environment. Following World War II, a war of ideology, people began to lose sight of what it meant to be human. Now entering the span of the Cold War people were thrust into paranoia and pessimism, and there ... Read More

An Analysis of the Importance of Airplanes as a Mean of Transportation (834 words, 2 pages)

Science Physics Airplanes March 22, 1999 Research Airplanes are an efficient way of traveling to far places. Airplanes are amazing if you know what and how the air keeps the plane airborne. There are three components of flight aerodynamics, the Bernoulli principal and supersonic flight. Some other things about flight ... Read More

An Analysis of the Characteristics and Types of Valves (362 words, 1 pages)

Valves The primary purpose of a valve is to direct the flow of fluids by starting, stopping, and throttling flow to make modern processing possible. Valves are designed to withstand pressure temperature, and flow, and can be found in homes and industry across the world. The most common valves found ... Read More

A Description of Steps in Iron, Steel and Metal Furnishing (956 words, 2 pages)

Iron, Steel and Metal Finishing Operations SummaryByKevin WorleySouthwestern Oklahoma State University Production, forming, and cleaning of steel products creates several waste-outputs. These outputs range from the benign to RCRA regulated hazardous waste. Listed below are the steps associated with a metal product from ore to finished product, detailing the various ... Read More

An Analysis of the Methods of Freshwater (671 words, 2 pages)

Methods of Freshwater Analysis Temperature pH Clarity Suspended Sediments Biotic Index Trent BMWP Nitrate Level Phosphates Level Ammonia Concentration Visual Description Dissolved Oxygen Bacteria Counts Total Solids Chloride Concentration Iron Concentration Winkler Method of Oxygen Content 1. VARIATION BEFORE TOWN2. VARIATION IN TOWN3. DISSIPATION OF POLLUTION AFTER TOWN4. TEMPORAL CHANGES ... Read More

An Analysis of the Use of Solar Energy, a Sustainable Source, in the United States of America (2370 words, 3 pages)

Presentation DialogueSOLAR ENERGY. All life on Earth depends on energy from the sun. Solarenergy is the source of energy for photosynthesis. It provides the warmthnecessary for plants and animals to survive. The heat from the sun causeswater on the Earth's surface to evaporate and form clouds that eventuallyprovide fresh rainwater. ... Read More

A Research on the Life and Works of Albert Einstein (1669 words, 2 pages)

Of all the scientists to emerge from the nineteenth and twentieth centuries there is one whose name is known by almost all living people. While most of these do not understand this man's work, everyone knows that its impact on the world of science is astonishing. Yes, many have heard ... Read More

Biology Essay Examples