Science Essays Examples For College & High School Students in PDF

14278 total results

A Review of The First Reactor, a Booklet on the First Self-Sustaining Nuclear Pile (206 words, 1 pages)

The First Reactor chronicles the conception and implementation of the first self-sustaining nuclear pile. The booklet has three main sections to it. The first one tells of the history and background of the organizations and research that were used for the momentous experiment, as well as the actual proceedings that ... Read More

A Summary of James Watson’s The Double Helix (783 words, 2 pages)

One of the most important discoveries ever in biology has to be that of the structure of DNA. In The Double Helix, James tells the story, both funny and serious, of all his trials and tribulations leading up to the famous discovery. James starts out with his fantasy of someday ... Read More

The Chemical Equation of the Development of Film in Photography (929 words, 3 pages)

Photography is a very complex form of art, which uses standard chemicals and scientific equations. It is a chemical reaction, which occurs when light hits a film or paper emulsion. An emulsion is part of the film or paper, which is very sensitive to light. This is also the part ... Read More

An Analysis of the Development of Longitudinal Establishment Datasets (800 words, 4 pages)

The relatively recent development of longitudinal establishment datasets has generated quite abit of excitement in both the academic and the statistical communities. From this literature, wehave learned that there is a large amount of volatility at the individual establishment level thatunderlies the smooth time series of aggregate employment growth. The ... Read More

An Analysis of the Big Bang Theory Explaining How the Universe Began (1210 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

An Analysis of the Fundamentals of Television and Television Signals (3433 words, 5 pages)

The Fundamentals of TelevisionIn this report on television I will discuss television signals, the components the make up a television, and how a television produces the picture and sound for the final output. The sound carrier is at the upper end of the spectrum. Frequency modulation is used to impress ... Read More

An Analysis of the Characteristics of a Supernova, an Exploding Star (684 words, 4 pages)

A supernova is a STAR that explodes. It suddenly increases inbrightness by a factor of many billions, and within a few weeks it slowlyfades. In terms of the human lifespan, such explosions are rare occurrences.In our Milky Way galaxy, for example, a supernova may be observed every fewhundred years. Three ... Read More

An Overview of the Measurement of pH in a Substance (512 words, 1 pages)

pH is the measure of H (a proton) a concentration of a solution. In order to understand pH, a scale has been designed, this scale ranges from 0 to 14. Anything from 0 to 6.99 is acidic, a substance that increases hydrogen ions concentration in a solution, such as lemon ... Read More

An Analysis of the Characteristics of DNA (Deoxyribonucleic Acid) and the Possibilities of DNA Technology (1016 words, 2 pages)

The Thread of Life, is deoxyribonucleic acid, also known as DNA. This molecule which is the bases of life, is spiral shaped and found in the nucleus of cells. DNA has the genetic code for bodies, controls development of embryos, and is able to repair damage caused to itself. All ... Read More

The Theme of Ocean Currents in Warming Taking Food from Pacific by Jan Kay (345 words, 1 pages)

Sticking with the theme of ocean currents, (from portfolio 2), I will reflect on Jan Kay?s Dec. 4, 2000 article titled ?Warming taking food from Pacific.? This article was retrieved from the Milwaukee Journal Sentinel .According to this article, warmer waters and changing ocean currents within the Pacific Ocean maybe ... Read More

Fossil Fuels: One of the Biggest Sources of Energy in the Planet (2752 words, 4 pages)

Have you ever thought about how we get the energy to run the things we take for granite every single day. There are many sources of energy that that are used for transportation, heat, light, and the manufacturing of goods of all kinds. The development of science and civilization is ... Read More

An Analysis of Isaac Newton as One of the Greatest Scientific Geniuses of All Time (1237 words, 3 pages)

Isaac Newton, possibly one of the greatest scientific geniuses of all time, led a long and important life. Newton was an English scientist, astronomer, and mathematician who made significant contributions in many fields of scientific and mathematical reasoning. Newton also made important contributions to physics and astronomy. Throughout his life, ... Read More

A Biography of Sir Humphrey Davy, an English Chemist (408 words, 1 pages)

In Chemistry there are many very important chemists. One is Sir Humphry Davy. Davy was born on December 17, 1778 in Penzance, Cornwall, England. He went to school in Penzance and in Truro. In 1794 his father died, to help his family financially he got a job as an apprentice ... Read More

A Study on the Origin and History of Silicon (1451 words, 2 pages)

Silicon is the raw material most often used in integrated circuit (IC) fabrication. It is the second most abundant substance on the earth. It is extracted from rocks and common beach sand and put through an exhaustive purification process. In this form, silicon is the purist industrial substance that man ... Read More

An Analysis of Whether Embryo Stem Cell Research Should Be Banned (1506 words, 4 pages)

Should Embryo Stem Cell Research Be Banned?This is one of the most controversial questions posed in the last century. The issue is simple. Should the federal government fund embryo stem cell research? The answer is extremely complex. At the heart of this controversy, is whether or not, it is morally ... Read More

An Understanding of the Strong Adhesive Properties of the Gecko (308 words, 1 pages)

Scientists Discover the Forces that Give the Gecko its Strong Adhesive PropertiesTo better understand the adhesive properties of the gecko, scientists have discovered new data that explains how the gecko can attach itself to almost any surface. They specifically studied the Tokay gecko (Gekko gecko). Researchers at the University of ... Read More

An Analysis of the Late 19th and 20th Centuries as Advances in Technology and Scientific Understanding (1549 words, 2 pages)

The late 19th and 20th centuries have seen advances in technology and scientific understanding the likes of which have not been seen before in such a short amount of time in known Human history. In the last hundred and fifty years science has advanced so much that one would barely ... Read More

An Analysis of the Composition, Ring System and Satellites of Saturn, the Sixth Planet in the Solar System (350 words, 1 pages)

Saturn is the second largest planet and sixth from the sun. Saturn is most known for its rings, first seen in 1610 by Italian scientist Galileo and identified as rings by Dutch astronomer Christian Huygens in 1655. The rings consist greater than 100,000 single ringlets. It is the most oblate ... Read More

SETI’s Mission Is to Verify the Extraterrestrial Life Existence Through Observation (1765 words, 3 pages)

Bertrand Russell wrote, There are two possibilities. Maybe we are alone. Maybe we are not. Both are equally frightening (Jakosky 1). The question of life in the universe is one that leaves many in a state of bewilderment. It becomes even more interesting when it leads to another question that ... Read More

The Life and Contributions of Ernest Rutherford (751 words, 1 pages)

Ernest Rutherford was born in New Zealand in 1871 as one of 12 children. It was Rutherford who first "split" an atom and who discovered the atomic "nucleus", a name that he invented. For this he is regarded as the greatest experimental physicist of his time. Rutherford was one of ... Read More

An Experiment to See How Fast Organisms and Materials Decay Under Certain Conditions (328 words, 1 pages)

Purpose To see how fast organisms and materials decay under certain conditions.Procedure We gathered 4 2-liter plastic pop bottles and cut them to assemble the drawing below. Near the bottom we placed a siv to let juices drain through into the bottom 2-liter. Then we stacked materials and organisms on ... Read More

A Biography of Ronald Erwin McNair (220 words, 1 pages)

Ronald Erwin McNair was born on October 21, 1950 in Lake City South Carolina. Ronald had two brothers, Eric and Carl Jr. He had a mother and a father also. His mothers name was Pearl and his fathers name Carol Sr. His mother was a well-educated teacher and his father ... Read More

An Analysis of the Developments Made in Space Exploration by NASA (2675 words, 5 pages)

One of the most amazing endeavors man has ever undertaken is the exploration of space. A big part of the amazement is the complexity. Space exploration is complicated because there are so many interesting problems to solve and obstacles to overcome. You have things like Restroom facilities in a weightless ... Read More

An Analysis of the Law of Time and Chaos in Ray Kurzweil’s Book The Age of Spiritual Machines (635 words, 1 pages)

In the first chapter of his book The Age of Spiritual Machines, author Ray Kurzweil gives a very brief history of the Universe, which serves as a preface for his subsequent theories. In this history, Kurzweil chronicles the rapid expansion of time between salient events in the history of the ... Read More

A Brief Look at the Element Radon (572 words, 2 pages)

Radon is an element that is on the periodic table of elements. It is a member of the family called the noble gases, which is group number 18. Radon is a gas. It is a gas at 298 k. it is the heaviest known mononuclear gas at that temperature. Radon ... Read More

An Examination of the Element, Radon (582 words, 1 pages)

Radon is earths only naturally produced radioactive gas. It comes from the breakdown of uranium in soil, rock, and water. Radon has no odor, no taste, and can not be seen. When it comes indoors it can become a health hazard. Radon can enter your house through cracks and openings ... Read More

A Description of Quantum Mechanics as a Branch of Mathematics Physics That Deals With the Emission and Absorption of Energy By Matter (1018 words, 2 pages)

Quantim Mechanics is abranch of mathematical physics that deals with the emission and absorption of energy by matter and with the motion of material particles. Because it holds that energy and matter exist in tiny, discrete amounts, quantum mechanics is particularly applicable to Elamentry Pprticlesand the interactions between them. According ... Read More

The Qualitative Analysis of Certain Ions (2029 words, 3 pages)

Qualitative analysis is used in the determination of the identity of a substance. It is different from quantitative analysis, which deals with the determination of the amount of a substance. In this experiment, qualitative analysis techniques are used to determine whether or not a sample contains a certain ion. When ... Read More

A Look at the Process of Protein Synthesis (1573 words, 3 pages)

The 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. For ... Read More

An Analysis of the Properties of the Enzyme-Amylase (851 words, 2 pages)

Title Examining Some Properties of the Enzyme -amylaseIn this experiment a deeper meaning in the catalysts of reactions is studied. Catalysts accelerate chemical reactions without permanently changing the reaction. Enzymes, catalysts in biochemical reactions, are globular proteins which lower the activation energy needed to begin a reaction and therefore increase ... Read More

Science Essay Examples