Science Essays Examples For College & High School Students in PDF

14278 total results

An Introduction to Plants (3309 words, 4 pages)

A. Introduction to Plants Plants grow in almost every part of the world. Without plants there could be no life on the earth. People could not live without air or food. The food that we eat comes from plants or from animals that eat plants. Much of our clothing is ... Read More

An Analysis of the Topic of the Pure Ethyl Alcohol (2094 words, 4 pages)

Every day we see the effects of the drink, drunk people. Staggering, slurring, spitting and vomiting. What is this evil hemlock? Whether Beer, wine or liquor, they all have the potential for disaster. Pure ethyl alcohol (ETOH), is odorless, colorless and tasteless. Alcohol is one of the most enigmatic products ... Read More

The Characteristics of the Feldspars, a Nonrenewable Material (545 words, 1 pages)

An ore deposit is any geological, or nonrenewable, material that can be mined at a profit. The feldspars are the most abundant and widespread minerals of the crust, or outermost part, of the Earth. Because of their abundance, feldspars are used in the classification of IGNEOUS ROCKSFeldspars are used in ... Read More

An Introduction to the Analysis of Soda-Lime-Glass (326 words, 2 pages)

Name of the material The material I will be writing about is glass. Soda-Lime-Glass will be the main type of glass I will explain in detail even though there are five other main types of glass including Lead-alkali glass, borosilicate glass, alumino-silicate, silica glass and fused silica glass. How the ... Read More

An Introduction to the Analysis of the Urinary System (966 words, 2 pages)

The urinary system removes wastes from the blood and forms it into urine. The urine produced usually contains excess water, ions, urea and other toxic substances. The urine created by the kidneys is moved through the ureters and is stored in the bladder until it is released through the urethra. ... Read More

An Analysis of Celestine, the First Volume of a Trilogy (1289 words, 2 pages)

In the first volume of the trilogy, Celestine, there were many positive and negative influences in the life of Celestine. The Indian Department discouraged Celestine in many ways. Father Victor Gaudet also played an important role in her life. Lastly, Celestine faced struggles with her family at home. Some of ... Read More

An Introduction to the Analysis of Ultraviolet Radiation (1200 words, 2 pages)

Ultraviolet Radiation is basically a form of radiant energy that comes from the sun. The various forms of energy, or radiation are classified according to wavelength, measured in nanometers (one nanometer is a millionth of a millimeter.)(Ozone Depletion page 2) The shorter the wavelength, the more energetic the radiation. In ... Read More

An Analysis of Sperm (5023 words, 7 pages)

In principle, the legal father of a child is the person who provides the sperm which leads to conception . Under s. 28 (2) of Human Fertilisation and Embryology Act 1990, the husband of a woman who is artificially inseminated is treated as the father of the child, unless it ... Read More

An Analysis of Circumference of Earth (631 words, 1 pages)

What is the circumference of earth? How was it measured? Imagine that you are located at a point on earth where at some time of the day the length of the shadow cast by a vertical pole is zero. You also have a friend located some 500 kilometers due north ... Read More

The Characteristics of Tribulus Terrestris, an Eastern European Plant (939 words, 4 pages)

Tribulus Terrestris Research Tribulus Terrestris is an extremely adaptable plant that flourishes in the moderate climates of Eastern Europe. An herb is extracted from the pharmaceutically-rich, aerial parts of the plant and used throughout the world as a natural nutritional supplement with bio-stimulatory properties. The herb is ecologically pure and ... Read More

An Introduction to Treating Disease With Stem Cells (1034 words, 3 pages)

Treating Disease with Stem Cells This article was written by Dr. Gregory Hale, professor of Pediatrics at the University of Kentucky College of Medicine, in response to questions posed by Scientific American Magazine regarding the treatment of certain diseases with cord blood stem cells. There is some additional information provided ... Read More

The Major Developments in the Field of Textile Printing (3185 words, 8 pages)

Transfer Printing Mans urge to decorate his clothing and fabrics of his environment, by means of printing, dates back to the earliest of times. Over the ages and even more now it is desirable to have designs on our fabrics. There are many ways of getting these designs onto our ... Read More

The Contradictions Between Faith and Science (1562 words, 2 pages)

ToK Essay Some people say that religious beliefs can be neither justified nor refuted by reason. However, while sometimes this claim is used as a reason for rejecting religious beliefs, at other times it is used to conclude that these beliefs are established by faith. To what extent is faith ... Read More

The Characteristics of Titanium, a Mineral Discovered in 1791 (528 words, 1 pages)

Titanium By Evan The Reverend William Gregor in 1791, who was interested in minerals, discovered titanium. He recognized the presence of a new element, now known as titanium, in menachanite, a mineral named after Menaccan in Cornwall (England). Several years later, the element was rediscovered in the ore rutile by ... Read More

An Introduction to the Life of Thomas Alva Edison (1442 words, 2 pages)

Thomas Alva Edison Thomas Edison was born, on Feb. 11, 1847, in Milan, Ohio a bustling port that, next to Odessa, Russia, was then the largest wheat shipping center in the world. Later, his family moved to Port Huron, Michigan. Not long after young Thomas learned to talk, he began ... Read More

An Analysis of the Theory of Relativity by Albert Einstein (1762 words, 3 pages)

RELATIVITY The Special and General Theory The theory of relativity was introduced by Albert Einstein around the early nineteen hundereds. It is a theory which enables the human mind to understand the possible actions of the universe. The theory is divided into two parts, the special, and the general. In ... Read More

An Analysis of the Silvery Moon (983 words, 2 pages)

THE SILVERY MOON The Moon is the Earth's companion in space, lying roughly 380,000 kilometers (240,000 miles) away, a distance that would take two or three days to travel in a spacecraft. It is a ball of rock about one-quarter of the size of our planet, with no air, water ... Read More

An Analysis of the Planets of the Solar System in Astronomy (1746 words, 2 pages)

The Planets and the Solar System Planets 2 " A planet is a celestial body that revolves around a central star and does not shine by its own light " (Grolier, 1992). The only planetary system that is known to man is our solar system. It is made up of ... Read More

An Analysis of Leg in Body (542 words, 1 pages)

Leg, in anatomy, one of the paired limbs of a vertebrate, used chiefly for supporting the body and for locomotion. The term leg is sometimes applied to one of the paired appendages of an insect, spider, or other arthropod. In humans, the leg extends from the hipbone to the foot. ... Read More

An Analysis of Scientists (1494 words, 3 pages)

It has been helping scientists find answers to the unknown, aiding companies like VISA incorporation to spread around the globe, and assisting tourists finding their way when they become lost. The world has profited from artificial satellites since 1951, when Russia launched the first man made satellite called Sputnik I ... Read More

An Analysis of the Concurrent Engineering (611 words, 1 pages)

Concurrent engineering is a new and flexible way of developing products that allows the company to gather information from all the parties including the customers and dealers to concurrently design, build and market as one process. In concurrent engineering product development, teams of manufacturing and design personnel are not separated ... Read More

An Analysis of the Topic of the Water Cycle (283 words, 2 pages)

The earth has a limited amount of water.That water keeps going around and around and around in what we call the "Water cycle".It is the only way that Earth can be continually supplied with fresh water.The sun is the most important part of renewing our water supply.It can be solid ... Read More

The Reasons Why Humans Can Swim (811 words, 1 pages)

Imagine selecting a hundred random people who do not know how to stay afloat and placing them on a deep pool. Most would expect the fat and heavy to sink while the fit stay afloat. The heavier rock, after all, does sink faster than a lighter one. But in reality, ... Read More

An Analysis of Scientific Revolution (363 words, 1 pages)

The Scientific Revolution With the bringing of the Scientific Revolution came the Philosophers desire to know more about the world around them. As the search for knowledge grew many inventions and developments arose, such as the microscope and telescope. If it wasnt for those two inventions we wouldnt be able ... Read More

An Analysis of Development and Use of Nuclear Powers in United States (787 words, 1 pages)

The development and use of nuclear power has led to the United States assuming a position as the true World Military Superpower. The Unites States was the leader in planning, building, testing and actually using the most powerful nuclear weapon known to man. This country also led the world in ... Read More

The Best Ways to Control the Formation and Effects of Acid Rain (1110 words, 2 pages)

Acid rain is precipitation of higher than normal acidity. Manmade increases in the acidity of precipitation are traced mainly to the burning of coal, oil, and gas by heavy industry and electrical utilities. Burning these fuels releases sulfur and nitrogen oxides (Sox and Nox) to the atmosphere where they combine ... Read More

A Life and Career of Isaac Newton (602 words, 1 pages)

Sir Isaac Newton life Sir Isaac Newton, he was a mathematician and physicist, one of the best scientsts of all time. He was born in Woolsthorpe, near Grantham in Lincolnshire, where he went to school. He entered Cambridge University in 1661. He was chosen to be a Fellow of Trinity ... Read More

The History and Applications of Hydroelectric Power (2860 words, 7 pages)

The term "hydropower" is a common word used to generalize the many different means of utilizing the energy in flowing water, ranging from large hydroelectric power plants to systems that harness both tidal and wave power. Hydroelectric facilities provide approximately 25 percent of the world's electricity supply-with plants operating in ... Read More

An Overview of the Human Brain (1795 words, 3 pages)

The Human Brain The human being is considered to be the ultimate form of life on the earth. This is not because the human body is strong and agile. Many other animals posses skills much superior to humans and are able to perform feats humans can only dream of. The ... Read More

An Analysis of Scott Hemmerling Tough’s The Hero’s Quest” (1043 words, 2 pages)

The Hero's Quest by Scott Hemmerling Tough, long, hard, exhausting all words that are used to describe the hero's quest. In most sci-fi movies, the main hero must undergo a quest. Either the hero is reluctant and trained or willing and untrained to do this quest. In all the science ... Read More

Science Essay Examples