Science Essays Examples For College & High School Students in PDF

14278 total results

Questions of Morality Rises on Genetic Cloning (1294 words, 2 pages)

Genetic CloningGenetic cloning has become an issue in these past years, and many questions have arisen due to this scientific breakthrough. As with any new technology, ethical and moral ideals have clashed between those who support it and those who favor the opposing side. The dispute involves what to do ... Read More

Astronomers Construct Hypothesis to Determine Origins of the Universe (1282 words, 2 pages)

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 Bang theory can ... Read More

A Discussion on Discovery and Nature of Lawrencium Element (507 words, 1 pages)

LawrenciumThere are 109 known elements, and of those, 19 of them are artificially produced or synthetic. A synthetic element is made by bombarding atomic nuclei with neutrons or other particles. The element Lawrencium has been made in this manner. While scientists continue to work to create more elements, it should ... Read More

Black Holes: Mysteries of the Unseen Universe (1298 words, 3 pages)

Everyday 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 this marvel of wonders our universe ... Read More

A Review of the Origin of the Term Cell in the Field of Sciences (688 words, 2 pages)

What is a Cell?The English scientist Robert Hooke who used a makeshift microscope of his own invention to examine a variety of objects, including a thin piece of cork, made the first observations of cells in 1665. Noticing the rows of little boxes that made up the dead wood's tissue, ... Read More

Bigfoot Sightings in America Draws Mass Hysteria (1322 words, 2 pages)

Bigfoot Bigfoot also known popularly as the Sasquatch, Momo, Skunk Ape, the list goes on and on, is without a doubt, the most famous of all hairy man-like creatures. The following will make you a believer in this overseen creature, it made me one. Bigfoot is seen in every possible ... Read More

An Analysis of the Nature of Organic Compounds and Their Uses (1197 words, 3 pages)

Organic compounds are covalently bonded compounds containing carbon, excluding carbonates and oxides. Carbon atoms are unique because of their ability to bond by catenation, which is forming long chains and rings from the covalent binding of an element to itself. Besides bonding with itself, carbon atoms are able to bind ... Read More

A Description and History of Pearls Since Their Discovery in 1850s (1204 words, 2 pages)

What is a pearl? A pearl is a pellet of calcium carbonate. Of all the gems in the world, it is the only one created by a living creature. A pearl is found in an oyster or other mollusk. They are grown in limited areas of the worlds oceans and ... Read More

An Analysis of Effective Functioning of the Respiratory System in Human Beings (1375 words, 6 pages)

Just as a fire needs oxygen to burn, the human body also needs a continuoussupply of this essential element for the process of combustion that goes on constantly in every cell. We ordinarily do not think of a body metabolism ascombustion, yet that is what is the controlled burning of ... Read More

Theories Formulated to Attest Existence of Black Holes (1397 words, 2 pages)

Black HolesIf theories of their existence are true, black holes are the most powerful force in the known physical universe. Many people are familiar with the term black hole, but few people actually know anything about them. A black hole forms as a result of a massive star running out ... Read More

An Analysis of Different Aspects of the Black Holes in the Universe (1362 words, 3 pages)

Erwin Floresca593-50-2170 AST 2006-001Dr. Carol A. WilliamsBlack HolesAs the nighttime sky falls upon us and we gaze at the beautiful stars, imagination takes one away from the limits of our solar system to the depths of a high-mass black hole. The universe that we live in contains unique and exciting ... Read More

A Comparison of Albert Einstein’s Theory of Relativity and Isaac Newton’s Law of Gravity (1308 words, 2 pages)

When Albert Einstein proposed his Theory of Relativity it was not accepted immediately but eventually over time and after some debate it became a replacement for the idea of physical mechanics formulated by Isaac Newton to explain the motion of large bodies in the presence of gravity. Relativity did not ... Read More

A Comparison of Wellesley Tap Water and Water of the Surrounding Towns (1328 words, 3 pages)

Science Fair Project 32100Science 21Background InformationI tried to figure out how does the Wellesley tap water compare to the water of the surrounding towns.Before I started my tests I guessed which town would have the best quality water without any initial data. I thought that Wellesley tap water would be ... Read More

Professor Roger Jennison’s Encounter With Ball Lightning in March 1963 (1212 words, 2 pages)

Ball Lightning 59Boules de FeuDateline041700 Another startling sighting - and certainly one of the most detailed and scientifically credible - comes from Professor Roger Jennison (Department of Electronics, University of Kent) concerning his experiences on board a late-night flight from New York to Washington in March 1963. He later wrote ... Read More

A Report on the History of Carbon (1107 words, 6 pages)

The History of CarbonI. IntroductionA. The History of CarbonII. Occurrences in NatureA. DiamondB. GraphiteC. Coal and CharcoalD. Amorphous CarbonIII. Carbon CompoundsA. InorganicB. OrganicIV. The Carbon CycleIV. ConclusionCarbon, an element discovered before history itself, is one of the mostabundant elements in the universe. It can be found in the sun, the ... Read More

Benjamin Franklin’s Contributions Impacted the World (1133 words, 2 pages)

Benjamin Franklin, one of the most important Americans in history, did scientific work before 1790. He had a large impact on America as well as the rest of the world. Europe played a big part of his career because the influences he felt from Europe help him develop and work ... Read More

The Birth and Death of a Star (1173 words, 4 pages)

Birth of StarsSince my entire thesis for this paper is about how a star is born, I guess the first thing I should start out with is by telling you exactly what a star is. Stars are self-luminous gaseous spheres. They shine by generating their own energy and radiating it ... Read More

An Analysis of the Nature of Sharks (1436 words, 3 pages)

SHARKSSharks are one of the most feared carnivores in the sea. There are 365 species of of sharks in the sea as we know today. All sharks are carnivores. Most of them eat live fish, including other sharks. A shark's most common natural enemy is an another shark. Most sharks ... Read More

An Analysis of the X and Y Chromosomes and Its Importance in Determining the Sex of an Offspring (1321 words, 2 pages)

The male of many animals has one chromosome pair, the sex chromosomes, consisting of unequal members called X and Y. At meiosis the X and Y chromosomes first pair, then disjoin and pass to different cells. One-half of the gametes formed contain the X and the other half the Y ... Read More

Data Shows Alarming Increase in CO2 Emissions in the US (1134 words, 3 pages)

Overall, emissions of CO2 increased by 0.3 to 6.8 tons per person in the United States. Emissions of greenhouse gases other than carbon dioxide, which account for 17 of total greenhouse gas emissions, declined by 0.6.Emissions from the industrial sector declined 1.3 even though the U.S. economy grew 3.9 in ... Read More

Big Bang Theory Tries to Explain Origins of the Universe (1286 words, 7 pages)

Big Bang TheoryIt is always a mystery about how the universe began, whether if andwhen it will end. Astronomers construct hypotheses called cosmologicalmodels that try to find the answer. There are two types of models BigBang and Steady State. However, through many observational evidences, theBig Bang theory can best explain ... Read More

A Comparison of Richard Dawkin’s the Selfish Gene and James Lovelock’s the Ages of Gaia (1158 words, 2 pages)

People have always wondered how life evolved on Earth. Richard Dawkins book The Selfish Gene and James Lovelocks book The Ages of Gaia attempt to shed some light on this debate. Dawkins presents a reductionist point of view in that he argues that evolution takes place entirely through the effects ... Read More

Electroplating Put Into Everyday Use (686 words, 1 pages)

ELECTROPLATINGThe problem was to discover which electrolyte is the best. An electrolyte is a liquid you electroplate in. Water, vinegar, and vinegar with salt stirred in it were the three electrolytes used. Which is the best electrolyte for copperplating a nickel? Is there a difference between these electrolytes or are ... Read More

Understanding the Process of Spacial Relations (1099 words, 2 pages)

Spacial RelationsSpacial relations is a complex subject that can be interpreted in many different ways. A clear explanation of spatial relations is easily understood with the study of proxemics. So what is proxemics? Well the term proxemics came from E.T. Hall, a researcher in 1963. Proxemics is the study of ... Read More

An Argument in Favor of Genetic Engineering Research (1110 words, 4 pages)

The engineering of deoxyribonucleic acid (DNA) is entirely new, yet genetics, as a field of science, has fascinated mankind for over 2,000 years. Man has always tried to bend nature around his will through selective breeding and other forms of practical genetics. Today, scientists have a greater understanding ofgenetics and ... Read More

A Study on the Functioning of Solar Cells Using Silicon (1130 words, 2 pages)

Solar cells today are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type in use today. They do not pollute the atmosphere and they leave ... Read More

An Analysis of the Earth’s Water Scarcity (1174 words, 2 pages)

The article being discussed was entitled "Tapped Out" and was written by Peter Gleick. It focuses on the depleting supply of our Earths freshwater resources. How it effects the human population, and how the problem will develop in years to come. The question being asked is will we be able ... Read More

An Analysis of the Big Bang Theory on the Formation of the Universe (705 words, 1 pages)

Stars and galaxies began to form about one billion years following the Big Bang, and since then the universe has simply continued to grow larger and cooler, creating conditions conducive to life. Three excellent reasons exist for believing in the big-bang theory. First, and most obvious, the universe is expanding. ... Read More

The Complex and Precise Process of Protein Synthesis (1322 words, 2 pages)

Protein SynthesisThe process of Protein Synthesis involves many parts of the cell. Unlike other similar productions, this process is very complex and precise and therefore must be done in proper sequence to work effectively. The slightest error during this process could cause the action to experience difficulty or even fail. ... Read More

The Genetic Engineering of Cotton for Insect Resistance (1117 words, 3 pages)

GENETIC ENGINEERING OF COTTON FOR INSECT RESISTANCEThe DNA code mostly contains instructions for protein synthesis. The code is read in groups of three nucleotides and each triplet of nucleotides codes for one of the twenty amino acids which link together in a polypeptide chain to form a protein. The code ... Read More

Science Essay Examples