Science Essays Examples For College & High School Students in PDF

14278 total results

An Analysis of the Plant Rhododendron (619 words, 4 pages)

The plant rhododendron belongs to the familyEricaceae which also includes the Heath, and there areabout eight-hundred fifty species which grow worldwide(Turner and Szczawinski, 171-2). The Heath family is alarge one with so many species, all of the poisonousspecies fall into two of its subfamilies, one of which isThese cultivated plants ... Read More

A Career Report: Marine Mammal Biology (766 words, 2 pages)

By Mandy SingerHow many different jobs are there and what education is needed?I decided to do a report on Marine Mammal Biology. I have a deep interest in this subject and one day would like to pursue a career in Marine Mammal Biology. There are about 100 species of aquatic ... Read More

An Analysis of Insecticide Used To Kill Insects (1010 words, 3 pages)

An insecticide is used to kill insects. There are many kinds of insecticides, but organic insecticides are the most commonly used (World Book, 1999). Organic insecticides are split into three different categories Chlorinated hydrocarbon insecticides, organophosphate insecticides, and carbamate insecticides (World Book, 1999). In this paper, I'll explore how toxic ... Read More

An Analysis of Enzyme Action: Testing Catalase Activity (1208 words, 2 pages)

Enzyme Action Testing Catalase ActivityEnzymes are proteins that serve as catalysts and accelerate chemical reactions in living organisms. Enzymes accomplish this by lowering the energy of activation of the organism it is acting upon, however enzymes will only lower the energy of activation for specific organisms, reducing chaotic chemical reactions. ... Read More

A Look at Extensive Evidence Against Evolution with Every Scientific Discovery (1030 words, 2 pages)

Evolution is not only improbable but clearly impossible. Extensive evidence against evolution is uncovered with every major scientific discovery. Every evolutionist "fact" can easily be rebuked by creationists. Twelve supposed hominoids have been discovered and presented as supporting evidence to evolution. While in all actuality nine of the twelve supposed ... Read More

Understanding the Part of the Earth in Which Life Still Exists, The Biosphere (571 words, 1 pages)

The biosphere is part of the earth in which life exists. It is 20 km thick from the bottom of the ocean to the lower atmosphere. It consists of three layers the lithosphere, which is the land on the surface of the earth the hydrosphere, which comprises of the water ... Read More

The Advantages of Genetic Engineering (938 words, 2 pages)

A girl is born without Tay-Sachs disease, a devasting genetic disorder that has decimated a lot of babies worldwide. A leukemia patient has defective bone marrow replaced with healthy bone marrow that was cloned from tissue from her own cells. These futuristic scenarios are not part of the debate for ... Read More

Understanding the Natural Phenomenon, Lightning (2349 words, 6 pages)

Lightning is a natural phenomenon that occurs more often than we think it does. That streaking flash, followed by a loud rumbling noise, that makes your knees buckle is very dangerous because of its unpredictable striking force. Being struck by lightning can be deadly, so the more precautions you take ... Read More

An Introduction to the Analysis of Cloning (570 words, 3 pages)

ALL CONSTRAINTS UPON CLONING SHOULD BE LIFED Cloning has been a very controversial topic since it affects moral values of human beings and other living things alike. In February 1997 scientists in Scotland announced the birth of the first cloned sheep named Dolly, this heralded the future of cloning possibilities ... Read More

The Characteristics and Use of Aluminium (2141 words, 4 pages)

Aluminum is one of a number of soft metals that scientists call "poor" metals. It can be shaped and twisted into any form. It can be rolled into thick plates for armored tanks or into thin foil for chewing gum wrappers. It may be drawn into a wire or made ... Read More

A Lab Experiment to Design a Voltage-Divider Bias BJT Transistor Configuration (231 words, 1 pages)

The purpose of this lab is to design a voltage-divider bias BJT transistor configuration given specific circuit responses. The circuit specifications are as follows VCC 15V, IC 5mA, VCE 7.5V, and VE .1VCC 1.5V.The same procedure will be done twice, first with a 2N3904 transistor than with a 2N4401 transistor. ... Read More

Possible Benefits and Dangers of Genetic Engineering (3065 words, 5 pages)

Genetic Engineering A leap in to the future or a leap towards destruction?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 an analytical engine, to ... Read More

A Biography of Granville T. Woods an Inventor (749 words, 2 pages)

African-American inventors have gotten little recognition for their accomplishments. Indeed, it was hard to find information to even write a small report on a single one of them. However, although their names might not be as household as Thomas Edison, that does no mean that African-American inventors have not played ... Read More

The Characteristics and Use of Epoxies (312 words, 1 pages)

The group of synthetic resins called epoxies produce the strongest adhesives in current use, as well as plastics and corrosion-resistant coatings. Epoxy adhesives are thermosetting that is, after initial hardening, they cannot be remelted by heat. They have excellent resistance to solvents and weathering agents, and high electrical and temperature ... Read More

A Career Description: Civil Engineering (1365 words, 6 pages)

Why do I want to be a civil engineer? Until recently, I did not know the answer tothis question myself. I was lost when choosing a career. Then, I read about civilengineering, an occupation involving the construction of buildings, roads, and bridges. As I looked farther into civil engineering, I ... Read More

A Description of a Circuit Breaker (948 words, 5 pages)

A circuit breaker was examined to determine how it works.Basically, it is designed to disconnect the current if the current passingthrough the breaker is higher than the allowable current. Its main partsconsist of a switch, connecting pads, and the disconnect device. Sincethe breaker consists of many individual parts, the only ... Read More

An Analysis of the Universe’s Beauty and the Principles of Scientific Research Taught in Silence (460 words, 1 pages)

Surrounded by thousands of stars, complete silence, and spectacular mountains, I stood atop New Hampshire's Presidential Range awestruck by nature's beauty. Immediately, I realized that I must dedicate my life to understanding the causes of the universe's beauty. In addition, the hike taught me several valuable lessons that will allow ... Read More

An Introduction to the Life of Robert Fulton (991 words, 2 pages)

Robert Fulton started the very first commercially successful steamboat service in America. His steam-powered paddleboat, the Clermont, sailed up the Hudson River from New York City to Albany in August of 1807. This trip lasted 32 hours The first steamboats were demonstrated in1787. They were used on the river ways ... Read More

An Introduction to the World’s Electricity (1422 words, 3 pages)

Most of the world's electricity is generated by either thermal or hydroelectric power plants. Thermal power plants use fuel to boil water which makes steam. The steam turns turbines that generate electricity. Hydroelectric power plants use the great force of rushing water from a dam or a waterfall to turn ... Read More

An Overview of Gene Therapy and Genetic Enhancement in the Modern World (695 words, 2 pages)

Complaining about What is scarring people in these days is the possibility of cloning discoveries. At this point the question is how this discovery will affect our society? And what is the scientists goal?. We all are worried about this discovery because what come out from scientists it is not ... Read More

An Overview of the Dangers of Genetically Altered Foods (1065 words, 2 pages)

Genetic Engineered Foods are too controversial and unstable to be consumed by the general public. Great deals of scientists have very opposite opinions about Genetic Engineered Foods (GE). Genetically altering foods is the process of modifying crops by using new bio-technological methods. There are two specific types of gene altering ... Read More

An Introduction to the Analysis of Cloning (1410 words, 8 pages)

Humans have within their grasp the ability and technology tocreate life. Many believe that this knowledge will lead tofurther degradation of the human spirit. But others, likePrometheus and his gift of fire, believe that new technology isthe key to a new, and better, reality. Genetic engineering and,specifically, cloning, of human ... Read More

The Numerous Causes of Acid Precipitation (557 words, 1 pages)

When thought of acid rain, some people may think of green, burning acid falling from the sky, destroying everything in sight. This may be a bit ridiculous and hard to believe, but as crazy as it sound, it is not far from the truth. Acid deposition has long been a ... Read More

An Analysis of the Importance of Evolution for the Field of Modern Biology (1152 words, 2 pages)

volution is the cornerstone of modern biology. It unites all the fields of biology under one theoretical umbrella. It is not a difficult concept, but very few people -- the majority of biologists included -- have a satisfactory grasp of it. One common mistake is believing that species can be ... Read More

A Look at the Space Shuttle Challenger Disaster (2904 words, 4 pages)

The Space Shuttle Challenger Disaster was a preventable disaster that NASA tried to cover up by calling it a mysterious accident. However, two men had the courage to bring the real true story to the eyes of the public and it is to Richard Cook and Roger Boisjoly to whom ... Read More

The Controversy Surrounding Cloning in the United States (682 words, 2 pages)

Cloning became to be, as a Finn Dorset ewe would provide the mammary cell for the cloning process. Secondly the mammary cell containing all copies of every gene that is needed to make the sheep. Although the only genes for proteins that are required by mammary cells are active. Thirdly ... Read More

An Introduction to the Process of Organism Replication (4017 words, 15 pages)

process by which organisms replicate themselves. In a general sense reproduction is one of the most important concepts in biology it means making a copy, a likeness, and thereby providing for the continued existence of species. Although reproduction is often considered solely in terms of the production of offspring in ... Read More

The Life and Accomplishments of Neil Armstrong (685 words, 1 pages)

When Neil Armstrong was two years old he loved going to the Airport to watch the planes take off and land. He got so excited just watching. When he was five years old he pretended that he was hovering over his bed. He wanted to fly! He loved airplanes and ... Read More

The Life and Works of Sir Isaac Newton (414 words, 1 pages)

Sir Isaac Newton developed calculus, natural forces, and optics. Newton was born on Christmas Day in 1642. His father had died before he was born, but he was still given his father's name (Westfall 17).Isaac stayed with his grandparents when his mother went to live with her second husband. While ... Read More

An Introduction to the Life of Albert Einstein (1493 words, 3 pages)

In civilization there have been few individuals that leave a legacy of ideas that have impacted on society forever. Albert Einstein the German-born scientist was one of the gifted few. Despite being one of the greatest thinkers ever to grace the world with his presence, Einstein flunked out of grade ... Read More

Science Essay Examples