Biology Essays Examples For College & High School Students in PDF

10822 total results

An Overview of Power Plants (325 words, 2 pages)

Power PlantsAn electrical power plant has a nuclear reactor to produceelectricity. A nuclear reactor produces heat through nuclearfission in which atomic muclei break apart releasing large amountsof energy. In the core of the reactor, a self-sustainingnuclear reaction takes place. The power level of an operating reactor is monitored by a ... Read More

An Examination of the Positive Effects of Gene Altering (1036 words, 2 pages)

Positive Effects Of Gene AlteringThe Positive Effects of Gene AlteringSince the beginning of the human race, we have been looking. We have been looking for ways to make our lives healthier, more comfortable, and happier. In the beginning it was simple rocks, plants, and fires. As our technology advanced so ... Read More

An Introduction to Polystyrene Bead Molding (558 words, 2 pages)

Polystyrene Bead MoldingIntroductionOn September 7th and 14th of 2000 my lab partners and I conducted the polystyrene bead molding project. My lab partners are Josh Dick, Mike Ward, and Keith Matlock, and we conducted the procedure in room W126 of the Kansas Technology Center. We were to attempt to make ... Read More

An Overview of Polymers, Their Sources and Uses (432 words, 1 pages)

PolymersPolymer, substance consisting of large molecules that are made of many small, repeating units called monomers, or mers. The number of repeating units in one large molecule is called the degree of polymerization. Materials with a very high degree of polymerization are called high polymers. Polymers consisting of only one ... Read More

Understanding Polychlorinated Biphenyls (1000 words, 3 pages)

Polychlorinated BiphenylsPolychlorinated biphenyls are a family of man-made chemicals that contain twohundred and nine individual compounds with varying toxicity. Many differentcombinations are possible. In chemical terminology, "phenyl" denotes a ringstructure of six carbon atoms attached to something else "biphenyl" resultswhen two such rings are attached to each other. Polychlorinated biphenyl ... Read More

An Essay on Plutonium Bomb (2635 words, 17 pages)

Plutonium Bomb 2------- ... Read More

An Overview of Plasma (563 words, 2 pages)

PlasmaMatter consists of atoms held together by electromagnetic forces. How tightthese bonds are, determines which of the four states solid, liquid, gas andplasma, matter exists as. Plasma is only found naturally in the corona and coresof stars and in bolts of lightning. There are three classic states of mattersolid, liquid, ... Read More

A Study of Plastics Engineering (649 words, 4 pages)

Plastics EngineeringInjection MoldingMost people have never heard of injectionmolding, however the productsthat are produced through this processare as common as a toothbrush, a compactdisk, or even drinking glasses.Injection Molding is one of theprincipal processes used in convertingplastics into useful products. Aninjection molding machine can be large or smallbut work through ... Read More

An Essay on the Planets and Solar System (1721 words, 7 pages)

Planets And Solar SystemPlanets and Solar SystemThe Planets and the Solar SystemPlanets 2A planet is a celestial body that revolves around acentral star and does not shine by its own light (Grolier,1992). The only planetary system that is known to man is oursolar system. It is made up of nine ... Read More

An Examination of the Plane Crash of a Boeing 747-121 After Takeoff from the Anchorage International Airport (1374 words, 6 pages)

Plane CrashInstructor Greg Alston Abstract This paper examines the in-flightseparation of the number two pylon and engine from a Boeing 747-121 shortly after takeoff from the AnchorageInternational Airport on March 31, 1993. The safety issues discussed focus on the inspection of Boeing 747 enginepylons, meteorological hazards to aircraft, the lateral ... Read More

A Report on the Individual Planets of the Solar System (1737 words, 5 pages)

Planetary PhysicsA planet is a celestial body that revolves around a central star and does notshine by its own light " (Grolier, 1992). The only planetary system that isknown to man is our solar system. It is made up of nine planets which range insize and make-up. The nine major ... Read More

An Essay on Physics Relevance (324 words, 1 pages)

Physics RelevanceBy hottimhotmail.comOne aspect of physics in my life is gravity. Whenever I loose my balance, whether I'm on a bike, walking, or trying to stand on one leg, I willfall down. This is because every mass is attracted to every other mass, so my body is attracted to the ... Read More

A Study of Physics on the Internet (226 words, 1 pages)

Physics On The Internet?Physics on the Internet(1) Internet web siteshttpecw.virtualave.netavisThis site has some spectacular aerial wrestling movies. This part of the site is dedicated to death defying wrestling moves. Most of these moves are from the top rope, cage, or cell.John KronusDESCRIPTION LENGTH SIZELands An Awesome 450 Splash. 002 311 ... Read More

An Analysis of Physical Geology Notes (1669 words, 9 pages)

Physical Geology NotesChapter SevenWeathering Chemical alteration and mechanical breakdown of rock and sediment. depth of airwater penetration as distance of formation from surface rises, so does susceptibility to weathering physical weathering The physical breakup of rocks. chemical weathering The decomposition of rocks and minerals caused by stability-increasing chemical reactions.-rate of ... Read More

A Study of Photoperiodism (259 words, 2 pages)

PhotoperiodismannonPlants and animals in the temperate zones respond indifferent ways to the amount of daylight in 24-hourperiods. This response to day length is called photoperiodism. It controls many activities, among them is theflowering of plants. The ability to respond to day lengthis linked to an inner, light-sensitive circadian rhythm.In the ... Read More

An Analysis of the Peter Mitchell’s 1961 Paper on the Chemiosmotic Hypothesis (566 words, 1 pages)

Peter Mitchell (1920 - 1992) Chemiosmotic HypothesisPeter Mitchell's 1961 paper introducing the chemiosmotic hypothesis started a revolution which has echoed beyond bioenergetics to all biology, and shaped our understanding of the fundamental mechanisms of biological energy conservation, ion and metabolite transport, bacterial motility, organelle structure and biosynthesis, membrane structure and ... Read More

An Argument Against the use of Pesticides in the Agricultural Sectors of the United States (366 words, 1 pages)

PesticidesPutting Aside PesticidesThere are 2.5 billion pounds of pesticides being applied to agricultural products each year in the United States. This is ten times more than was applied forty years ago. It is still unknown as to what type of exact effects these chemicals may have on individuals. Some farmers ... Read More

An Analysis of the Pendulum Effect in Motion and Physics (221 words, 1 pages)

Pendulum EffectsIn this experiment we will observe the properties of a pendulum moving in acircular motion rather than the traditional "back and forth" motion. Thiswill simulate the direction that a satellite would follow above the earthsatmosphere. The purpose of this experminate will be to show how gravity pulls onthe string ... Read More

A Biography of Ivan Petrovich Pavlov the Russian Physiologist (303 words, 2 pages)

PavlovMelissa Ann SharpProfessor Alsman, MSPsychology 101February 3, 2001PavlovPavlov was born in Ryazan, Russia on September 14, 1849. His full, birth name is Ivan Petrovich Pavlov. Pavlov was educated at the University of Saint Petersburg and at the Military Medical Academy, also in St. Petersburg.From 1884 to 1886, Pavlov studied in ... Read More

An Overview of the Pain and Suffering of Animals for Humans’ Sake (324 words, 1 pages)

Pain And Suffering Of Animals For Humans' Sake Right Or WrongPain and Suffering of Animals for Humans' SakeRight or WrongWhen you go out to eat and look at your thick and juicy T-bone steak what do you think about? When you look at that gorgeous mink coat in the department ... Read More

An Analysis of the Solar System in Astronomy (459 words, 1 pages)

Our Solar system, the sun and its planet's has not always been there.It is nearly five billion years ago, and there is no solar system, no planets, moons, no sun. Instead there is a big cloud of dust and gas called a nebula. Thiscloud has been slowly twisting for more ... Read More

An Introduction to the History of the Solar System (886 words, 3 pages)

Origin Of The Solar System For more than 300 years there has been serious scientific discussionof the processes and events that led to the formation of the solar system.For most of this time lack of knowledge about the physical conditions inthe solar system prevented a rigorous approach to the problem.Explanations ... Read More

An Introduction to the Origin of Species (399 words, 2 pages)

Origin Of SpeciesConsidered one of the most significant, influential, and controversialpublications in history, this book, I felt would be interesting to read andlearn from. Although his content in this particular book is the subject of muchcontroversy, Darwin's proffesional contributions and accomplishments will remainwell known and respected. Therefore, I selected The ... Read More

An Introduction to the History of Man (414 words, 2 pages)

Origin of ManOrigin of Man"Of animal ancestry, man moved ahead asa steward of other creations in taming the environment as they struggleto survive."There are many theories about the originof life on earth. Many opposing theories and questions have been raised.For example, the Biblical Theory states that a supernatural being createdthe ... Read More

An Introduction to the Origin of Solar System (1786 words, 2 pages)

Origin Of Solar SystemThe Origin of the Solar System One of the most intriguing questions in astronomy today is the how our solar system formed. Not only does the answer add insight to other similarly forming systems, but also helps to satisfy our curiosity about the origin of our species. ... Read More

An Introduction to the Analysis of Optical Illusions (1393 words, 2 pages)

Optical IllusionsMy research paper is about the anatomy of an optical illusion. Optical Illusions are relevant to aviation in that the main guidance system of most aircraft on most flights is the pilot's eyes. Everyone, including pilots, is susceptible to an optical illusion. The hazards of optical illusions are many ... Read More

An Introduction to Oposing Genetically Modified Organisms (358 words, 1 pages)

Opposing Genetically Modified OrganismsAs a result of biotechnology and its wake of controversy that follows, a number or organizations have voiced their concerns toward the corporate driven discipline. As a product of biotechnologies carelessness, or motives, activist groups have risen throughout the world opposing the novelty of genetically modified organisms. ... Read More

An Introduction to the History of Space Exploration (2705 words, 5 pages)

One of the most amazing endeavors man has ever undertaken is the exploration of space. A big part of the amazement is the complexity. Space exploration is complicated because there are so many interesting problems to solve and obstacles to overcome. You have things likeThe vacuum of spaceHeat management problemsThe ... Read More

The Program Mining the Planets Presented by AIAA (2065 words, 3 pages)

On December 10, 1986 the Greater New York Section of the American Institute of Aeronautics and Astronautics (AIAA) and the engineering section of the New York Academy of Sciences jointly presented a program on mining the planets. Speakers were Greg Maryniak of the Space Studies Institute (SSI) and Dr. Carl ... Read More

A Literary Analysis of General Theory of Relativity by Albert Einstein (1675 words, 3 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