Biology Essays Examples For College & High School Students in PDF

10822 total results

The Big Bang Theory and the Beginning of the Universe (1165 words, 2 pages)

The Beginning of Time Unanswered questions have plagued mankind since the beginning of human curiosity. Man has created religion in order to fulfill such questions. Today, we no longer need religion we are unraveling the mysteries of the universe through science. One of the most influential vertebrae along the backbone ... Read More

An Introduction to the Average North Americans Life Span (2328 words, 4 pages)

Introduction With the onset of 2000, the average North Americans life span has been extended by three years. The predictable consequences are detrimental changes in body composition, including loss of lean body mass, strength, flexibility, and bone density, along with the increase in body weight and body fat. Inactivity with ... Read More

An Opinion That Technology Has Influenced Our Interpretation of the Origin and Nature of the Universe (1425 words, 3 pages)

Technology has influenced our interpretation of the origin and nature of the universe starting in the early 1900's and continuing on until today. Technology continues to influence as people are willing to create and modify it. Applied science continues to advance and change bringing along with it changes in our ... Read More

An Overview of Cavitation (518 words, 1 pages)

CAVITATION Cause and EffectThe word cavitation is a process that a Hydraulics Technician does not want to encounter. Cavitation can occur due to entrained air bubbles in the hydraulic fluid or vaporization of the hydraulic fluid. This occurs when the suction lift is excessive and the inlet-pressure falls below the ... Read More

A Description of the Tantalum Symbol in the Periodic Table (349 words, 2 pages)

Tantalum Tantalum, symbol Ta, is a very white, ductile, and malleable metallic element. Tantalum is one of the transition elements of the periodic table. The atomic number of Tantalum is 73. It was first discovered in 1802 by Anders Ekebura of Sweden and then first obtained in pure form in ... Read More

A Study on Superfluids (1471 words, 3 pages)

SUPERFLUIDS "As we shall see, it is generally believed that the phenomenon of superfluidity is directly connected with the fact that the atoms of helium-4 obey Bose statistics, and that the lambda-transition is due to the onset of the peculiar phenomenon called Bose condensation." (Leggett, 1989) BOSE-EINSTEIN CONDENSATION This is ... Read More

The Life of Stephen Hawking (386 words, 1 pages)

The most famous physicist and scientist in the world, Stephen Hawking, was born in Oxford England on January 8th,1942. His parents originally lived in London, but since world war II was still being waged, they thought it better to live in Oxford. Later they moved to St. Albans where he ... Read More

A Study on Stem Cell Research (3346 words, 5 pages)

Stem Cell research is an application that scientist are developing and perfecting at a rapid pace. Nowhere in the world can a person pick up a newspaper, magazine, or listen to a news show without hearing of some new discover or development. The headlines look at where stem cells come ... Read More

An Introduction to Static Electricity (1066 words, 2 pages)

Static Electricty Static electricity is electricity at rest, which is an accumulation of electric charge. This source of energy is the opposite of moving electric charge, known as electric current. It is part of the study of phenomena resulting from electric charge, called electrostatics. Electrostatics is actually one of the ... Read More

An Introduction to Sound (853 words, 2 pages)

Sound Sound surrounds us at all times. The ring of an alarm clock or the whistle of birds may wake us up in the morning. Through out the day, we hear a variety of sounds for instance, the banging of pots and pans, the roar of traffic, and the voices ... Read More

An Overview of Smart Cards (853 words, 2 pages)

SMART CARDS Introduction A smart card, a type of chip card, is a plastic card embedded with a computer chip that stores and transacts data between users. This data is associated with either value or information or both and is stored and processed within the card's chip, either a memory ... Read More

A Description of Silicon as a Raw Material Most Often Used in Integrated Circuit Fabrication (1473 words, 2 pages)

Silicon Wafers, Semiconductors Silicon is the raw material most often used in integrated circuit (IC) fabrication. Integrated circuits are microelectronic semiconductors, devices consisting of many if not thousands of interconnected transistors. Silicon is the second most abundant substance on earth. It is extracted from rocks and common beach sand and ... Read More

A Review of Cloning and It’s Benefits for Mankind (824 words, 2 pages)

Should Cloning be Banned? What ever happened to that magical word cloning that dazzled everyones mind. This one word has produced pride, anger, and amazement all at one. Pride, basically because humans have finally mastered the idea of producing a complete replica of a mammal. Anger, because the idea of ... Read More

A Test About Internal and External Conditions in the Growth of Seed Germination (582 words, 4 pages)

Aim To test which condition (external or internal) best suits the growth of seed germination Hypothesis I would assume that the seeds that were placed outside in their natural environment would have a better growth pattern than that of the internally grown one due to the fact that its exposure ... Read More

An Analysis of Properties of Life on Earth and Existence of Life Somewhere in the Universe (2923 words, 5 pages)

Introduction Mankind has always wondered, "Are we alone in the Universe? Isn't there life out there somewhere?" With an estimate around 300 billion stars in the Milky Way galaxy alone, many with their own satellites, the possibilities seem likely that some form of life should exist somewhere in the Universe. ... Read More

A Look Into Scientific Revolution and Political Ideas (718 words, 1 pages)

Scientific Revolution and Political Ideas There are many people that did more than there share at finding out new scientific theories. Such as Copernicus, Columbus, Kepler, Galilei, Bacon, Descartes, Newton, Vesalius, Harvey, Hooke, Boyle, Priestley, A. Lavoisier, and M. Lavoisier are all people who helped with a scientific revolution. Yes, ... Read More

An Analysis of the Many People Involved in the Scientific Revolution and the Enlightenment (1444 words, 3 pages)

There were many people involved in the Scientific Revolution and the Enlightenment. Most of these people were fine scholars. It all started out with Copernicus and his book called On the Revolutions of the Heavenly Spheres. This book marked the beginning of modern astrology. The current dispute at times echoes ... Read More

An Analysis of the Topic of the Origin of Life and the Discussion Research (710 words, 1 pages)

The origin of life, its an unknown that has been discussed, researched, and pondered for an unknown length of time. But is the theory of Intelligent Design, or ID, a theory that should be taught in the science department of the United States educational system? Unfortunately no, its not. The ... Read More

An Analysis of the Rube Goldberg Machine (243 words, 1 pages)

A Rube Goldberg machine is any exceedingly complex apparatus designed to serve a specific function that performs a very simple task in a very indirect and convoluted way. Rube devised and drew several such pataphysical devices. The best examples of his machines have an anticipation factor. The fact that something ... Read More

An Analysis of the Procedures and the Plastic Pop Bottles (341 words, 1 pages)

Biology 4th Block Rot Race Lab Report Name Rot Race Purpose To see how fast organisms and materials decay under certain conditions. Procedure We gathered 4 2-liter plastic pop bottles and cut them to assemble the drawing below. Near the bottom we placed a siv to let juices drain through ... Read More

An Analysis of DNA as Once Considered a Mystery of Science (915 words, 2 pages)

DNA was once considered a mystery of science. One of the people that helped to discover and solve the mysteries of DNA was Rosalind Franklin. Even though she had to struggle against a great deal of male ignorance in the scientific community, she still made an impact on the world ... Read More

An Analysis of the Rocket Launch Portfolio (502 words, 3 pages)

PLEASE NOTE This version is extremely unreadable, YOU MUST LOOK AT THE MS WORD DOC FILE. Rocket Launch Portfolio Mr. McAfee Math 4Block 1 7 February 2003 By Ronald K. Ellis III The Rocket Launch As the shuttle STS-82 lifted off from the NASA launching pad at Cape Canaveral, Mission ... Read More

An Analysis of the Topic of the Pesticides in The Silence of the Birds by Rachel Carson (726 words, 2 pages)

Rachael Carson and the Pesticides Introduction This paper will identify the major players, perspectives, concerns, interests and pressures discussed in case study "The Silence of the Birds Rachael Carson and the Pesticides". The growth of industrialization brought about the development of many chemicals including pesticides and insecticides. At first it ... Read More

An Analysis of the Topic of Methodology and Its Research Methods (1196 words, 3 pages)

Methodology The term methodology refers to the way in which we approach problems and seek answers. Jankowicz (1995) says that a methodology is analysis of, and rational for, the particular method or methods used in a given study, and in that type of study in general. Research methods Research methodology ... Read More

An Analysis of the Topic of the Radium as the Radioactive Element (2318 words, 3 pages)

Radium is a silver-white, highly radioactive element. Its atomic number is 88, and it is the heaviest alkali earth metal, having a mass number of 226.025 (See Figure 1). Radium has at least twenty six isotopes, and all are radioactive (Shriver 1995). Since radium is chemically similar to calcium and ... Read More

An Overview of the Topic of the Roles by Rachel Carson (280 words, 1 pages)

There is no point in beating around the bush, explaining how the movie was laid out, her background, or what her objectives were. Rachel Carson was nothing short of a modern day super woman. Not unlike super heroes we read about in comic books, the things she went through for ... Read More

A Study About RNA Evolution and the Origins of Life (11785 words, 16 pages)

Introduction Plunging into the subject of RNA evolution and the origins of life coupled with viral evolution, is impossible without addressing a variety of parameters. This essay will concentrate on RNA evolution and the origins of life but unavoidably subjects as DNA evolution, amongst some, will be partially dealt with ... Read More

A Description of the Properties of Water That Make it a Unique Material and an Essential Component of Living Matter (411 words, 1 pages)

What properties of water make it a unique material and an essential component of living matter? Water is so common that it is easy to overlook the fact that it is an exceptional substance with many amazing qualities. With its properties, we can trace waters unique behavior to the structure ... Read More

An Introduction to Colloid Drug Delivery Systems (2331 words, 6 pages)

Introduction Colloid drug delivery systems (CDDSs) are vesicular dosage forms. They include liposomes niosomes nanospheres and nanocapsules. Their size avoids any risk of embolism following intravenous injection. CDDSs were initially designed, and were studied, as drug carriers for targeting purposes. The assumption was the expected ability of CDDSs to concert ... Read More

A Discussion on the Powerful Emotions on the Topic of Anger and Hate (1580 words, 3 pages)

Discuss whether powerful emotions, such as anger and hate are biologically or socially determined. This is what we know now and we are reasonably certain that were right. However, as we gather more information or learn new ways to interpret these phenomena, things could change and so its best not ... Read More

Biology Essay Examples