Science Essays Examples For College & High School Students in PDF

14278 total results

An Essay on Electronic Tracing and Location Systems, Pharmacological Treatments and Genetic and Neurobiologic Risk Assessments (588 words, 1 pages)

As the world of corrections progress to meet the needs and whishes of modern day society, advances in technology becomes a major role in how the parole system moves forward. The possibilities of improved public safety in parole practices have the chance to become reality, but perhaps at a price ... Read More

The Quest for the Truth: Thinking Scientifically (1402 words, 2 pages)

Do We Have To Think Scientifically In Order To Find The Truth? In the past it has primarily been the role of religion to explain the world around us, in the 20th Century science seems to have taken religions place as the main explanation for many people. The rise in ... Read More

A Review of the On-Going Evolutionary Process of the Biosphere (335 words, 1 pages)

ARTICLE IDENTIFICATION Freedman, Leonard 1995 Evaluation of Human Behaviour A Human Biological Prospective South African Journal of Science, Vol. 91, pa 443-451. OBJECTIVE To review the on-going evolutionary process of the biosphere, particularly as it relates to humankind. Explain the phenomenon of on-going evolution, the process of natural selection, and ... Read More

An Analysis of the Topic of the Superstring Theory and the Future of Understanding (2077 words, 4 pages)

Eng. 205 Essay 2 The Superstring Theory A Future of Understanding? Considering all of the scientific and technological advances that have occurred in the last century, one must conclude that the century to come is bound to make our heads spin. Time warps, hyperspace, parallel universes, and wormholes will no ... Read More

An Experiment on the Investigation of Enzyme Activity (3343 words, 7 pages)

This experiment will be an investigation into enzyme activity. Wherever enzymes are used one has to bear in mind that there are various factors which affect the enzyme activity. I will be investigating how different concentrations of the enzyme catalase affect the rate at which hydrogen peroxide is broken down ... Read More

An Analysis of the Scientists Associated with the Debate over the Interpretation of the Geological Record: James Hutton, John Playfair, Abraham Gottlob Werner, G. L. Cuvier, and Sir Charles Lyell Humboldt (712 words, 2 pages)

The scientists associated with the debate over the interpretation of the geological record were Scottish geologist James Hutton Another Scotsman, John Playfair, Illustrations of the Huttonian Theory "(1802) Abraham Gottlob Werner, a German geologist French naturalist G. L. Cuvier English geologist Sir Charles Lyell Humboldt Uniformitarianism, in geology, was first ... Read More

A Discussion on the Issue of Genetically Modified Foods (1029 words, 2 pages)

One of the most intense arguments of the 20th century is the introduction of genetically modified foods. We have long heard that genetically modified foods are harmful and unethical to out health and surroundings. Arguments include the potential danger to the environment, the lack of knowledge about GM and the ... Read More

A Survey of the Theories Related to the Big Bang (1213 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

Development of the Zone System by Ansel Adams and Fred Archer (268 words, 5 pages)

Development of the Zone System is widely regarded as one of the major achievements in the history of photography. The Zone System is a method of understanding and controlling the exposure and development of the negative, and how to vary that exposure to get the results you want. The Zone ... Read More

A Discussion of the Effect of Odor on Human Beings (617 words, 2 pages)

Do you have trouble getting along with your in-laws? Maybe you just don't like the way they smell. Many animals, humans included, can use odor to detect who may be a close genetic relation. Depending on the species and their behavior patterns, an animal can use that ability to avoid ... Read More

An Introduction to the Principles of Radar (639 words, 1 pages)

system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use microwave frequencies, the principle of radar is not confined to any particular frequency range. There are some radar units that operate on ... Read More

The Origins of the Atomic Theory (1906 words, 3 pages)

The Orgins of Atomic Theory By Levi Pulkkinen There is an eternal human compulsion to unlock the mysteries of our lives and our world. This search for knowledge has guided us to many beneficial new understandings. It has lead us into this new age where information is its own reward, ... Read More

An Analysis of the Topic of the Standard Configuration (2434 words, 5 pages)

Most people are familiar with the Standard Configuration, the most common airplane design. However, recent revelations in both military and general aviation have shown at least a slight movement toward different arrangements of an airplane's lift and control surfaces. These variations in aircraft structure include the canard configuration and the ... Read More

An Introduction to the Analysis of the Microscope (385 words, 1 pages)

The microscope is considered one of the most useful and important scientific inventions known to 'man'. The microscope was invented by Anton van Leeuwenhoek during the seventeenth century. Leeuwenhoek was not a scientist by profession. Initally he made a living selling clothes and buttons, but spent his spare time grinding ... Read More

A Study of the Mortar (658 words, 1 pages)

The Mortar Generally the mortar was just a metal cylinder attached to a bipod mount. There was a projecting pin inside the base of the tube so that when the mortar bomb was slid down the tube a detonating charge was set off that flung the bomb into the air. ... Read More

A Report on the Loch Ness Monster Mystery in Scotland (1139 words, 2 pages)

Welcome to Scotland, the home of Shrek's accent, Braveheart and haggis. Located at the northernmost tip of Great Britain, it has a history rich in tradition and folklore. It is also the home of the largest lake in the United Kingdom. Loch Ness Lake is nearly 23 miles long and, ... Read More

An Analysis of Albert Einstein’s Theories of Relativity (1587 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 mans work, everyone knows that its impact on the world of science is astonishing. Yes, many have heard ... Read More

An Introduction to the Issue of Human Cloning (1329 words, 3 pages)

The Issue of Human Cloning The recent news of the successful cloning of an adult sheep-in which the sheep's DNA was inserted into an unfertilized sheep egg to produce a lamb with identical DNA-has generated an outpouring of ethical concerns. These concerns are not about Dolly, the now famous sheep, ... Read More

An Analysis of the Uses of Water in the Evolution and the Daily Lives of the Human Species (859 words, 2 pages)

Water is the most important substance in our evolution and our daily lives. Without water, life as we know it would not have been possible. This essay will examine the water molecule in order to ascertain how it brought about Earth's successful ecosystem and how important it is to us ... Read More

An Introduction to the Analysis of the Hurricane (788 words, 1 pages)

The Hurricane Survival of the Emotionally Fit The Hurricane, a movie that is as compelling and tumultuous as the life of the main character, Rubin ?Hurricane? Carter. Rubin?s overwhelming life difficulties, forced him to withdraw and emotionally detach himself from humanity in order to manage obstacles in his life. By ... Read More

An Introduction to the Analysis of the Homeostasis Concept (1073 words, 2 pages)

Improvement suggestions history of homeostasis? Further consideration of positive feedback, e.g. in pathological conditions. The Homeostasis Concept Homeostasis is a system of automatic control mechanisms which maintain the internal environment of an organism despite changes in the external environment (Campbell Reece, 2005). The internal environment consists of extracellular fluids that ... Read More

A Biography of the Astronomer Sir William Herschel (843 words, 2 pages)

Sir William Herschel was the first of the influential Herschel family to become involved in astronomy. His sister Caroline Lucretia and his son Sir John Frederick William also got involved in different aspects of astronomy. Sir William Herschel was born in 1738 as Friedrich Wilhelm Herschel. He was born in ... Read More

An Analysis of the Breakdown of Hydrogen Peroxide Experiment (634 words, 1 pages)

The breakdown of hydrogen peroxide by the enzyme peroxidase is a common chemical reaction in cellular metabolism. However if the cells develops high amounts of hydrogen peroxide, it can harm the cell itself. There is a reaction within the liver that involves the hydrogen atoms in a toxic substance to ... Read More

An Analysis of the Effects of Genetic Engineering in the Biochemistry (939 words, 2 pages)

The Effects of Genetic Engineering Some scientists involved in the field of genetic research have been moving toward the goal of being able to change DNA. To some people, this is the chance for a better and healthier life, but there are other people fear that it is "playing God" ... Read More

An Analysis of the Effects of Altitude on Human Physiology and the Issues of the Atmospheric Pressure (3741 words, 7 pages)

The Effects Of Altitude On Human Physiology Changes in altitude have a profound effect on the human body. The body attempts to maintain a state of homeostasis or balance to ensure the optimal operating environment for its complex chemical systems. Any change from this homeostasis is a change away from ... Read More

A Comparison of Russian Built MIG-15 and US Built Sabre Fighter Jet in Korean War (1834 words, 3 pages)

War! That word is a scary word for a lot of people. Back in 1950 that word was especially scary for the people of Korea, when war broke out. This war was to last for three years. Three years of bombings, hand-to-hand combat and misery. In some cases, however, the ... Read More

A Study of Enzyme Alpha Amylase (1280 words, 3 pages)

ABSTRACT The enzyme alpha-amylase is a catalyst to break up starch to from glucose. Without being consumed in the reaction, enzymes are catalysts that speed up the rate of the reaction. They achieve this by combining with a substrate and then separating from it form products. Environment factors that affect ... Read More

An Analysis of the Depletion of Dopamine and the Brain Resulting Parkinson’s Disease (927 words, 2 pages)

The Depletion of Dopamine in the Brain Resulting Parkinsons In the United States there are over one million people affected with Parkinsons disease alone. There are twenty new cases of the disease reported for every one hundred thousand people per year. The depletion of the chemical dopamine is found to ... Read More

The Day a Meteor Hits the Earth (770 words, 1 pages)

The Day A Meteor Hits The Earth 65 million years ago, something hit the Earth. Something big. The locationYucatan Peninsula, Mexico. When it hit, the Earth was left in extreme devastation. Literally tons of rock and dust were blasted high into the atmosphere blocking out the sun's rays. According to ... Read More

An Analysis of the Creation of a Child (1669 words, 3 pages)

The Creation of a Child The birth of a child is a beautiful thing. Most parents will do anything for their children, and when their childs life is threatened, it seems like the parents of that child life is also threatened. Every day children are born with deadly diseases, nutritional ... Read More

Science Essay Examples