Science Essays Examples For College & High School Students in PDF

14278 total results

The Discovery and Usage of Hydrogen (835 words, 1 pages)

Hydrogen fuel cells were invented by Sir William Robert Grove. However, they were not put to use until the 1960s when General Electric established workable proton-exchange membrane cells used as power supplies in the Apollo and Gemini space missions. Now, many years later, there is concern within the U.S. government ... Read More

Arguments Against and in Favor of Cloning (1612 words, 3 pages)

Cloning has been a very controversial topic since it affects the moral values of human beings and other living things alike. Cloning crops has been around since the 1950's in America, aiding the world with more livestock and agricultural needs at a cheap and rapid rate. Cloning is done by ... Read More

Arguments Against and in Favor of the Human Genetic Engineering (1514 words, 3 pages)

Introduction What if you could design your child before it was even born? What if you could cut out any life threatening diseases, make sure that your child is not susceptible to smoking addictions or alcoholism, and then make your child genius? Would you? Are you asking yourself how this ... Read More

An Argument in Favor of Human Cloning (896 words, 2 pages)

Human Cloning Most people panic when they hear the words Human Cloning. Crazy thoughts run through their heads, imaginations run wild. They think of the world being run over by a million little Hitlers. They think of people thinking exactly like one another, and that no person would be different. ... Read More

The International Effort on Human Genome Project (234 words, 1 pages)

Human Genome Project The scientific mission to "read" the order of bases as they appear in the DNA of human chromosomes. The Human Genome Project actually is not one project, but rather many hundreds of separate research projects being conducted throughout the world. The objective is to create a directory ... Read More

The History of Eukaryotas (470 words, 1 pages)

About 2.5 billion years ago, oxygen began slowly to accumulate in the atmosphere, as a result of the photosynthetic activity of the cyanobacteria. Those prokaryotes that were able to use oxygen in ATP production gained a strong advantage, and so they began to prosper and increase. Some of these cells ... Read More

An Overview of the History of Astrology and Horoscopes (422 words, 1 pages)

HOROSCOPES Horoscopes are charts created by astrologers. A definition of a horoscope is the illustration of the position of the sun, moon, and planets from a given location on earth, usually at birth. Which simply means, where everything in the universe was in relation to everything else when you were ... Read More

An Experiment on the Glass Bead Machine Cleaning Process (878 words, 2 pages)

Hitachi True Experimental Design As mentioned in previous reports, Hitachi Automotive Products, Los Angeles (HAPLA) is a major supplier and producer of remanufactured (remanned) alternators, starters and other electromechanical automotive parts. A vital part of providing the quality product that has earned HAP-LA a high reputation is the consistent quality ... Read More

A History of the Mole an Avogrados Number 6.02 x 10 for Finding Atomic Mass (439 words, 1 pages)

The History of the Mole The moles beginning is traced back to the most basic units of matter, atoms. Since atoms are extremely small, scientists have perplexed a great deal over finding a way to measure atomic mass. They struggled to find a universal container that had the capability to ... Read More

A Brief History of the Field of Genetics and Its Scientists (467 words, 1 pages)

History of Genetics We have learned a great deal in the field of genetics over the last century. Many scientists have spent their whole lives studying genetics. These scientists discovered many vaccines and cures for diseases. We now have a better understanding of how heredity, DNA, chromosomes, and many other ... Read More

General Summary of Elements Carbon, Silicone, Germanium, Tin, Lead and Ununquadium (1219 words, 2 pages)

-General summary of elements Carbon Symbol - C Atomic Number- 6 Atomic Mass- 12.0 Electrons per shell- 2, 4 Carbon is a solid, non-metallic element that is found in stars, comets, and the atmospheres of most planets. It is naturally occurring, and is found in three different forms. They are ... Read More

A Biography of Granville T. Woods an Assiduous African American Inventor (1163 words, 2 pages)

Granville T. Woods was an assiduous African American inventor who is worthy of a position in the American Historical Hall of Fame. 'Woods was born a free man on April 23, 1856 in Columbus, Ohio to Tailer and Martha Woods.' (Gale, p 4) "He attended school until the age of ... Read More

The Earliest Techniques to Discover Large Amounts of Gold in the United States (788 words, 2 pages)

The way to discover large amounts of gold, was to have the perfect mining technique. One of the earliest techniques was panning and cradling. This method consisted of a pick, a shovel and a washing dish and people either worked by themselves, or in a small group. First of all, ... Read More

The Knowledge of the Universe Through the Work of Stephen Hawking a Known Professor at Cambridge University (1770 words, 4 pages)

The oldest profession in the world is not what would be commonly accepted in society. Before a woman had a chance to sell her body, people looked up at the stars and wondered what they were. They made figures out of the shapes they made. As we advanced through scientific ... Read More

The Sinking of the RMS Titanic (820 words, 1 pages)

On April 15 the world was shocked when the first reports came out about the sinking of the RMS Titanic. The RMS Titanic of the White Star Line was the largest ship the world had ever known. (The Sinking of the S.S. Titanic). The ship was sailing from Southampton to ... Read More

A Survey of the Chemical Element Germanium (334 words, 1 pages)

Germanium The element that i am studying is Germanium. Ge is the chemical symbol that represents Germanium. The atomic number is 32 and the atomic mass is 72.61(amu). There are 32 protons, 41 neutrons and 32 electrons (Davis143). The Russian chemist Dmitry Mendeleyev predicted the existence and chemical properties of ... Read More

An Argument Against Geneting Tinkering (1463 words, 2 pages)

Imagine a world where only the genetically elite could get jobs. People who couldnt afford the gene-therapy would be left by the wayside. Why hire someone whos imperfect when there are thousands of genetically perfect people to chose from? These genetic alterations could be defined as anything that allows a ... Read More

A Discussion on the Process, Risks, and Benefits of Genetic Modification (400 words, 1 pages)

The article, Genetic Modification of Crops partner or pariah for sustainable development? deals with the controversial issues surrounding the genetic modification of crops. The article takes the reader through the process, the risks, and the benefits of genetic modification. Through genetic modification specific genes are transferred into organisms so that ... Read More

A Discussion on Genetically Modified Organisms and Its Effects (2072 words, 3 pages)

When you bite into an apple, the taste is what stands out the most. The juices in your mouth, and rough but delicious inside, the smooth skin it really is something that makes ones taste buds go wild. But what if the apple could taste better, be bigger, and all ... Read More

A Discussion on Bacteria and Its Significance (659 words, 2 pages)

Matt Bishop November 26, 2000 Period 4 A.P. Biology CODE BREAKERS Hesman, Melton Code Breakers. Science news, VOL. 157. June 3, 2000 In Peter G. Schultzs laboratory at the Scripps Research Institute in La Jolla, California remarkable things are taking place. They are working on the bacterium Escherichia Coli, better ... Read More

A Discussion on Understanding Genetic Engineering (3006 words, 4 pages)

Genetic Engineering Science Genetic Engineering, history and future Altering the Face of Science. 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 analytical engine, to ... Read More

A Biography of Galileo Galilei a Man Who Constructed the First Telescope of Twenty Times Magnification (1117 words, 2 pages)

Galileo Galilei Galileo Galilei was born on February 15, 1564, in Pisa, Italy. Galileo was the first of seven children of Vincenzio Galilei, a trader and Giula Ammannati, an upper-class woman who married below her class. When Galileo was a young boy, his father moved the family moved to Florence. ... Read More

A Biography of Galileo Galilei the First Known Physicist (648 words, 1 pages)

Galileo Galilei Many individuals in history have been accredited for numerous accomplishments like Galileo Galilei, the first known physicist. Although he was not considered a physicist in his time, he provided procedures and results that lie at the heart of what is known today as physics. In Galileo Galilei, James ... Read More

The Significant Factors Which Can Affect and Reduce the Stopping Distance (2511 words, 5 pages)

1. Stopping distance is the distance traveled from the moment a driver first registers danger, to when the vehicle comes to rest. Describe significant factors which can affect your overall stopping distance and how this can be reduced. Two components which directly affects overall stopping distance is Reaction time and ... Read More

A Personal Recount on Astronomy (1784 words, 2 pages)

Eyeless If someone would have taken me outside and told me to look at the night sky and tell them what I was thinking, two weeks ago I would have probably said some idiotic remark like, Cool. If they asked me what I thought about space, I probably would have ... Read More

The Description of Human Eye (2108 words, 3 pages)

The Human Eye The Eye is the organ of that you gives your sight. Eyes enable people to perform tasks and to learn about the world that around them. Sight, or vision, is a rapidly occurring process that involves interaction between the eye the nervous system and the brain. When ... Read More

An Argument in Favor of the Existence of Aliens (1323 words, 2 pages)

Aliens For many a centuries, man has believed that we are alone in the universe. With the advent of new technology and our better understandings of science, this belief is slowly dissipating. New light has been shown on the subject, yet it is still for you to decide. In these ... Read More

A History of the Bermuda Triangle Mystery (2354 words, 3 pages)

Travel to the Triangle "Control tower, this is an emergency," the worried voice said. "We seem to be off course. We cannot see land...repeat...we cannot see land." What's your position?" the tower asked. "We're not sure of our position," replied the patrol leader. "We can't be sure where we are. ... Read More

An Analysis of Water in Different Types of Cells (727 words, 2 pages)

Water in cells should be maintained in narrow range of concentration for optimal function. What happens if water concentration of a cell increases beyond the range? If we put a cell in a hypotonic solution... (Solution with less salt concentration). Osmosis is the net movement of water molecules from a ... Read More

Eugenics and the Non-Therapeutic Sterilization of Incapable Adults (1691 words, 3 pages)

Eugenics The Non-Therapeutic Sterilization of Incapable Adults Eugenics is the science of improving the population by controlled breeding for desirable inherited characteristics. The horrible effects of Canadas eugenics movement, which spanned from 1885 to 1945, still resound through Canadian courts to this day. The eugenics movement spawned the horrific practices ... Read More

Science Essay Examples