Science Essays Examples For College & High School Students in PDF

14278 total results

A Biography of Isaac Newton (990 words, 3 pages)

"The nature and it's laws was hidden in the dark night God said, let Newton araise, and there was light." Alexander Pope. Biography Childhood Newton was born December 25th 1642, on a farm in the little village Woolsthorpe in Lincolnshire, England. He was named after his father Isaac Newton who ... Read More

Nature Is More Benign than Neutral (893 words, 2 pages)

Drawing from my own experience, I believe that generally Nature is more benign than neutral or hostile, but this maybe due to the fact that I have not experienced disasters such as in New Orleans. The supplies we receive from our environment such as water and food keep us alive ... Read More

An Introduction to the Analysis of Carbon Dating (420 words, 1 pages)

Is carbon dating accurate? Carbon dating, used since 1948, is currently the main method of testing artifacts for age. My objective through this essay is to disprove the accuracy of the Carbon 14 dating method. William Libby invented carbon dating in 1948. It works on the principle that the carbon ... Read More

An Analysis of Plant Salvinia Molesta (2125 words, 3 pages)

Introduction The plant Salvinia molesta , generally known as Giant Salvinia or Kariba weed, is a free floating pterophyta indigenous to south-east brazil (Julien et. al 1987). Today plants and animals are shipped, sometimes accidentally, all over the globe to zoos, botanical gardens, and for commercial and agricultural purposes. A ... Read More

An Analysis of Testing the Functional Role of Chromosome 13 in the Transformation of Human Breast Epithelial Cells in Vitro (279 words, 1 pages)

TESTING THE FUNCTIONAL ROLE OF CHROMOSOME 13 IN THE TRANSFORMATION OF HUMAN BREAST EPITHELIAL CELLS in vitro Mathew Thomas, Grade 11 Recent empirical evidence suggests that genomic alterations play a crucial role in breast cancer development. The functionality of genomic alterations is demonstrated by utilizing micro-cell mediated chromosome transfection (MMCT) ... Read More

An Analysis of Digestive System in Human Body (2756 words, 4 pages)

Today people strive to great lengths to keep their body in a good, healthy condition. Every system in the body, let it be digestion, circulatory (of blood), immune, respiratory, cellular respiratory or kidneys and excretion are all vital. Each have their separate roles, but not one works separately. The human ... Read More

An Analysis of the Identity of Carbohydrates (655 words, 2 pages)

Lab Report 1 Identifying Carbohydrates Problem To determine whether a substance contains reducing sugars andor polysaccharides (two types of carbohydrates) by using Benedicts reagent and iodine stain. Background Carbohydrates are essential to living organisms, and the principal role of carbohydrates is the production of energy. Carbohydrates are groups of sugars ... Read More

An Analysis of Identification of Biologically Important Chemical Compounds (1101 words, 3 pages)

Identification Of Biologically Important Chemical Compounds Sep 20 By Kristian Atkinson (IB) St.Olav vgs Stavanger Norway Introduction All living organisms are made of cells and these cells have three main parts. The center is the nucleus, represented by the coloured marble. Inside the nucleus are chromosomes which carry the genetic ... Read More

The History of Laser and Maser (289 words, 1 pages)

It all began in 1916 where Albert Einstein laid the foundation for the invention of the laser and the maser, in a ground-breaking experiment involving Max Planck's law of radiation based on the concepts of spontaneous and induced emission. The theory was forgotten until after World War II. It wasn't ... Read More

An Analysis of Hydroponics: Gardening Without Soil (908 words, 2 pages)

Hydroponics Gardening Without Soil Have you ever thought of growing plants without soil? A science known as hydroponics will allow you to do just this. Hydroponics systems have been used since the time of the ancient Babylonians who used them to used them to grow their famous hanging gardens. Today, ... Read More

An Analysis of Hydrogen and Its Uses (331 words, 1 pages)

Hydrogen and its Uses Hydrogen, the simplest element, it composed of one proton and one electron. It makes up more than 90 of the composition of the universe. More than 30 of the mass of the sun is atomic hydrogen. It is the third most abundant element in the earth's ... Read More

The Issues Surrounding the Human Genome Project (849 words, 2 pages)

The Human Genome Project The human genome project is a worldwide research effort with the goal of analyzing the structure of human DNA and determining the location of the estimated 100,000 human genes. The DNA of a set of model organisms is studied to provide the information necessary for understanding ... Read More

An Analysis of Human Cloning (1606 words, 2 pages)

Human cloning is very real and just around the corner. In the simplest language, cloning is the process in which the DNA from some cell of a body is put by electrical shock into a female egg cell whose DNA has been removed. Then the egg cell is implanted into ... Read More

An Argument in Favor of Cloning (1780 words, 2 pages)

This a rebuttal!!! Read the article on this link first httpwww.cheathouse.comessayessayview.php?pessayid44374 You don't have to but it is advisable, for that is the text I'm refering to in my arguement. Maybe it's the year 2010 or 3010, cloning I believe is something that is inevitable. I mean its already started ... Read More

An Analysis of the Hubble Space Telescope (571 words, 1 pages)

The Hubble Space Telescope The Hubble Space Telescope is one of the worlds most powerful earth-orbiting reflecting telescopes. With its capability of producing images from any wavelength, the HST is the eyes of the universe for scientists on earth. The HST has a capability of operating at any wavelength from ... Read More

An Analysis of Length of a Wire Affects its Resistance (1445 words, 4 pages)

How the Length of a Wire Affects Its Resistance In my physics coursework I am going to investigate the effect of the length of a wire on its resistance. Resistance is the measure of how easy it is for current to flow through a wire. Current is the rate of ... Read More

An Analysis of Neurone (2488 words, 5 pages)

Describe how neurones communicate with each other. How do psychiatric drugs exploit this system? The neurone is the operative element of the nervous system, and enables communication with other neurones which in turn detail different messages throughout the nervous system and indeed other neurones. There are many varieties of neurone, ... Read More

An Analysis of Radar Scopes Changed Because of Human Factors (1403 words, 2 pages)

How Radar Scopes have Changed because of Human Factors There have been many advances in the Air Traffic Control (ATC) system since it was started, but none as important as the radar. When radar was first presented, all that could be seen on the radar scope was a blip. This ... Read More

A Biography of Dmitri Ivanovich Mendeleev (938 words, 2 pages)

Dmitri Ivanovich Mendeleev was born in Tobolsk, Siberia, on February 7, 1834. Dmitri died January 20,1907 at age 73. He was a blonde haired, blue-eyed boy, and the youngest of 14 children. His mother Maria Kornilievs family settled in Tobolsk in the early 1700s and introduced paper and glass making ... Read More

An Analysis of Automobiles (784 words, 2 pages)

Automobiles are one of the most important and prominent inventions possibly ever created. Without automobiles our lives would be completely changed and different. Automobiles changed the way people traveled and lived. Without cars there would be no drive-ins, drive-thru fast food restaurants, and shopping centers. People depend on their cars ... Read More

A Brief History of Batteries (469 words, 2 pages)

Brief History of Batteries Batteries are one of the most important objects in our everyday lives. Clocks have them (better than a sundial!), smoke detectors have them (but some people don't know that the battery needs to be replaced, so check your detector's battery before you go to another page!), ... Read More

An Analysis of Atoms (773 words, 2 pages)

Atoms have been talked about for over 2000 years. Even before Christ was born, in the Greek era a couple of men called Democritus and Leucippus, these two men were the first people to have come up with the theory of atoms. The majority of the two Greek men's work ... Read More

An Analysis of Gas Chromatography (612 words, 2 pages)

Introduction Gas Chromatography ( GC ) is the most widely used analytical technique for the speciation and quantification of organic compounds. The total cost for these analyses is enormous. Protracted sample turnaround times, which are common for contract laboratories, cause expensive bottlenecks. Dramatic reductions in analysis time could lead to ... Read More

An Analysis of the Heart of Fusion (421 words, 2 pages)

Jason Jarrell Chemistry II 12-8-99 Heat of Fusion Objective The objective of this experiment is to find the heat of fusion of water by using a calorimeter. The calorimeter will be used to melt ice in water to find the heat of fusion. Theory Heat of fusion is known to ... Read More

A Discussion on Human Memory Organisation (665 words, 4 pages)

Human memory organisation. Human memory organisation, from the outside, seems to be quite a difficult thing to analyse, and even more difficult to explain in black and white. This is because of one main reason, no two humans are the same, and from this it follows that no two brains ... Read More

An Overview of the Phytoplanton (388 words, 1 pages)

Sustainability for Maine life is a constant fight involving several factors, the availability of light and nutrients, global warming, excessive fishing and human activities that trigger destruction. Phytoplanton is the algae and photosysthetic bacteria that grow as single cells or in small groups of cells. Phytoplanton is the beginning of ... Read More

A Research to Find out the Different Temperature States During Fermentation Process (2293 words, 6 pages)

Aim To shift the azeotrope of the ethanol and water mixture in ginger beer in order to produce more potent alcohol using thermodynamics. Hypothesis Different temperature states during the fermentation process will produce a variety of alcohol percentages in ginger beer. Background Research In the modern beer brewing process, four ... Read More

An Overview of the Role of George Westinghouse, Jr. (335 words, 1 pages)

George Westinghouse, Jr., was the son of a man who made farm machinery in New York. Today George is known for being one of the most industrious inventors that ever lived. He helped continue the Industrial Revolution with his determined attitude towards resolving social and commercial difficulties. George's creations changed ... Read More

A Biography of George Washington Carver (612 words, 1 pages)

George Washington Carver George Washington Carver was born in Diamond Grove, Missouri during the spring of 1864 or 1865. Like many slaves, he was uncertain of his birth date. His mother, Mary, was a slave who belonged to Moses and Susan Carver. As an infant, slave raiders kidnapped his mother. ... Read More

An Analysis of the Topic of Genetics and the Beginning of the End (2942 words, 4 pages)

GeneticsThe Beginning or the End? By jrider E-mail jackriderhotmail.com GENETIC ENGINEERING "career of the future" Genetic engineering is an umbrella term that can cover a wide range of ways of changing the genetic material -- the DNA code -- in a living organism. This code contains all the information, stored ... Read More

Science Essay Examples