Science Essays Examples For College & High School Students in PDF

14278 total results

A Look at How the Laser Light Works and Its Uses (761 words, 2 pages)

The laser is a device that a beam of light that is both scientifically and practically of great use because it is coherent light. The beam is produced by a process known as stimulated emission, and the word "laser" is an acronym for the phrase "light amplification by stimulated emission ... Read More

The Discovery and Use of Laser Light in History (1272 words, 4 pages)

When most people see a laser beam they are amazed by its unique physical properties. Laser light is so unique from other light because it is coherent unlike ordinary light, which travels in all directions, laser light travels in a straight beam. The word laser is an acronym for Light ... Read More

A Biography and Life Work of John Dalton, an English Chemist and a Scientist (456 words, 1 pages)

John DaltonJohn Dalton was a great help to modern day chemistry. He was born in 1766 in the small town of Eaglesfield, Cumbria, NW England in the UK. He was a chemist that stated an atomic theory of matter, which is now the theory of modern day chemistry. Besides his ... Read More

A Biography of James Watt, a Scottish Inventor and Mechanical Engineer (392 words, 3 pages)

James Watt was born February 19, 1736 and died onAugust 19, 1889. As a child he was often sick. Thiskept James out of school. His mother had to teachhim how to read and write. James suffered fromsevere headaches, so many people thought he wasretarded. Little did they know that this ... Read More

An Overview of the History, Occurrence and Properties of the Chemical Element Krypton (554 words, 2 pages)

I am the chemical element known as Krypton. I can also be referred as Kr. I will be telling you about my history, my properties, my family and my occurrence. I will also be telling you about my uses and ores, also the analytical methods based on me. I received ... Read More

A Biography and Life Work of Isaac Netwon, an English Scientist and Mathematician (375 words, 2 pages)

Isaac Newton was born in 1642 and died in in 1727. He was an english scientist and mathematician who was born into a poor farming family. Newton was not a good farmer so he was sent to Cambridge to study to become a preacher. Newton studied mathematics. Newton was forced ... Read More

An Overview of the Plastics Engineering and the Injection Molding of the Plastic Materials (647 words, 3 pages)

Plastics EngineeringInjection MoldingMost people have never heard of injection molding, however the productsthat are produced through this process are as common as a toothbrush, a compactdisk, or even drinking glasses. Injection Molding is one of the principal processes used in convertingplastics into useful products. An injection molding machine can be ... Read More

A Review of Margaret Jean’s “Isaac Newton: The Greatest Scientist of All Times” (316 words, 3 pages)

Isaac Newton was a brilliant scientist whodiscovered many important things. Thesources for this report are "MicrosoftEncarta '99 Interactive Encyclopedia" andthe book "Isaac Newton The GreatestScientist of All Time" by Margaret JeanAnderson.Sir Isaac Newton was born on December 25,1642 (according to the Julian calendarwhich was in use then the date wasJanuary ... Read More

A Look at the Journey in the Search for Knowledge About the Origins of Humanity (2204 words, 15 pages)

The search for knowledge about theorigin of humanity is as old as its inhabitants. Sincethe early 1800's mankind has narrowed the debateto creation by a Supreme Being and the theory ofevolution. Ever since then, science has been atodds against religion. Now it appears that scienceis returning to religion. Scientists are ... Read More

An Overview of the Term Hypnosis in the Scientific Research (1047 words, 5 pages)

TheEncarta Encyclopedia defines hypnosis as,"altered state of consciousness andheightened responsiveness to suggestion it may be induced by normal personsby a variety of methods and has been used occasionally in medical and psychiatrictreatment. Most frequently brought about through actions of an operator, or"hypnotist", who engages the attention of a subject and ... Read More

An Overview of the Science News Regarding the Experiment of the Correlation Between a Virus and Psychological Distress (440 words, 2 pages)

Science News, March 27, 1999People who feel unable to deal with lifes stresses display an exaggerated immune reaction that may intensify their sneezing, soughing, and other physical symptoms once theyve contracted a common virus, a new study suggests.However, the researchers have not yet confirmed whether this particular immune response-a sharp ... Read More

An Overview of the Physical Science Experiment on Insulin and Insulation (576 words, 1 pages)

Before we look at insulation we must see how thermal energy moves. There are three ways it moves. The first is by conduction. Conduction is the transfer of energy by direct contact of particles. Heat spreads through out an object till the object is the same all the way around. ... Read More

The Mystery Surrounding the Space Phenomenon of the Black Hole (1317 words, 2 pages)

Into the Depths of A Black HoleEveryday we look out upon the night sky, wondering and dreaming of what lies beyond our planet. The universe that we live in is so diverse and unique, and it interests us to learn about all the variance that lies beyond our grasp. Within ... Read More

The Contributions of Hippocratic Medicine to the Field of Science (3215 words, 6 pages)

Introduction Hippocratic medicine remains one of Ancient Greece's lasting contributions to the field of science. Lacking the equipment physicians today take for granted when diagnosing and healing their patients, Hippocratic physicians were forced to create a novel system for explaining and curing disease based upon the prevalent scientific theories of ... Read More

An Introduction to the History and the Exploration of Space (1129 words, 7 pages)

In our history many great things have happened. Wehave been inventing and exploring things since day one. Many of these things that we discovered or invented wethought would never be possible in earth's life time. But theyexists now, today, they are used by almost every humanbeing and there are many ... Read More

An Overview of the Human Genome Project and the Argument from the Bible (1462 words, 4 pages)

GENOME PROJECTAdam and Eve were doomed for trying to be like god, this is the same damnation mankind is headed to. Everyones dream is to have absolute power and control of everything. The genome project and DNA engineering gives man the ability to create life and cuomize life to his ... Read More

An Analysis of the Application National Scenic trail (1041 words, 3 pages)

The Appalachian National Scenic Trail, is a footpath in the eastern United States for outdoor enthusiasts, extending about 2140 miles from Maine to Georgia, along the crest of the Appalachian Mountains. The trail passes through 14 states and is maintained by 34 different trail maintenance organizations. It is the longest ... Read More

An Introduction to the Science of Gravity (361 words, 1 pages)

Gravity has many benefits to humanity. It holds us to the earth so we do not fall off the earth and die in space. It holds the planets in orbit around the sun, and moons in orbit around their planets. It also holds stars in orbit around the center of ... Read More

An Overview of the Gregor Mendel’s Influence on the Genetic Research on the Plant Hybrids (579 words, 3 pages)

Gregor Mendel playeda huge role in the underlying principles of genetic inheritance. Gregor wasborn, July 22 1822 in Heinzendorf, Austrian Silesia (now known as Hyncice,Czech Republic), with the name Johann Mendel. He changed his name to Gregorin 1843. He grew up in an Augustinian brotherhood and he learned agriculturaltraining with ... Read More

Three Principles of Inheritance That Described the Transmission of Genetic Traits Developed by Gregor Mendel (639 words, 2 pages)

Gregor Mendel was born in Heinzendorff in 1822 and died in 1884. Ever since Mendel was a boy he was very interested in science. Whenever his friends would come back from school they would tell Mendel what they studied and he would be so excited. Mendel was so interested about ... Read More

An Introduction to the Issue of Genetic Modification of Organisms (1691 words, 6 pages)

Genetic modification of organisms in general is a biotechnological process that forces genes to behave according to certain characteristics. Changing characteristics of organisms is based on changing their DNA (tech deoxyribonucleic acid the acid which carries genetic information in a cell). It is being used for modifying genes in plants, ... Read More

The Main Issues to Consider When Discussing Genetic Engineering (649 words, 1 pages)

Current technology has made what once seemed impossible, mapping the human genome, a reality within the next decade. What began over forty years ago with the discovery of the basic structure of DNA has evolved into the Human Genome Project. This is a fifteen-year, three billion dollar effort to sequence ... Read More

The Description of Genetic Engineering and an Argument in Its Favor (490 words, 1 pages)

Genetic EngineeringTwo years ago Scottish scientists announced that they had successfully cloned a sheep. They named it dolly and it was an exact copy of the original sheep. Is cloning morally right? Is it ethical? Some people think that it is wrong and that it shouldnt be practiced on any ... Read More

An Hereditary Experiment to Determine the Inheritance Patterns of Fruit Flies (617 words, 2 pages)

IntroductionFrom simple heredity experiments with garden peas, to cloning sheep, the field of genetics has come a long way. Now we are closer to mapping out the human genetic map due to advances in technology, and years and years of research. Perhaps the most influential and groundbreaking scientist, Gregor Mendel, ... Read More

An Introduction to the History of the Manhattan Project in the United States (2042 words, 9 pages)

It is imporatant to carefully examine history in order to learn from previous mistakes, and also to ensure that the same mistakes are not repeated. The Manhattan project is an excellent example. This program allowed the United States to unleash the power of the atom, thus,introducing a new and devastating ... Read More

An Overview of the Big Band Theories in Astronomy (2012 words, 8 pages)

The following is an essay I found on www.oppapers.com. It is entirely the authors ownwork and I have not changed anything in it. This is a clear depiction on how textbooksbrainwash children into believing that hocus pocus is fact. After this essay I will explain,scientifically, in what ways the big ... Read More

An Introduction to the Engineering Defined as the Science Based Profession (807 words, 4 pages)

Engineering is defined as the science based profession by which the physical forces of nature and the properties of matter are made useful to mankind in the form of structures, machines, and other products or processes at a reasonable cost of money and time. An engineer is a person trained ... Read More

An Introduction to an Analysis of Transient Lunar Phenomena (TLP) (571 words, 1 pages)

Enigmatic lights seen on the Moon are a classic example of a Fortean enigma. Called transient lunar phenomena (TLP), they have been a mystery and a source of wonder to skywatchers since the earliest times. And yet, as astronomer Peter Grego points out, despite a wealth of detailed observations we ... Read More

An Introduction to the Mitochondria and Its Inner and Outer Membrane (324 words, 2 pages)

The mitochondria has an eggshape structure. The mitochondria consists ofan inner and outer membrane. The outer membrane is what shapes theorganelle to its egglike shape. The inner membrane which folds inwardmakes a set of "shelves" or cristae that allow the reactions of themitochondria to take place. The more the mitochondria ... Read More

An Analysis of Belief in Creation (1272 words, 3 pages)

My views of the environment are rooted in my belief in creation. I do not believe that life on earth began spontaneously, nor do I believe that the earth is so delicately balanced. I dont believe that the earth and its ecosystem are fragile. Many radical environmentalists do, they believe ... Read More

Science Essay Examples