Science Essays Examples For College & High School Students in PDF

14278 total results

An Introduction to the Egyptian Cosmology (393 words, 1 pages)

Egyptian Cosmogony and other weirdness The embodiment of a complex society formed long before its rightful time is that of the Egyptians. Their mastery of both social and scientific knowledge was without equal, even by Roman standards. From a purely technical standpoint the stone work of the Egyptians had no ... Read More

The Phenomenon of Succession in Society (726 words, 2 pages)

University of Phoenix Science 256 People, Science, and the Environment Ecosystem Succession Paper 31Jan05 Ecosystem 2. Succession Succession is a phenomenon of transition in community structure and function which is time related and often occurs in a somewhat predictable manner. Primary succession, (fig 5-4, pg 87) occurs following formation of ... Read More

A Look at the Use of Herbicides in the United States (4194 words, 6 pages)

Each year in the United States of America over 69 percent of the available water is used for agriculture and 8 percent is used for domestic uses. Sewage, industrial waste and agricultural chemicals such as herbicides, pesticides, and fertilizers are the main point of water pollution. In the year of ... Read More

The Benefits of Tanning (1506 words, 3 pages)

Does Tanning Cause Cancer? Tanning, the process in which sun activates the pigment in your skin which produces a bronze color called a tan. We think that with the new scientific technologies we can have the real look of the tan without the harmful rays of the sun. When we ... Read More

An Introduction to the Analysis of Scientific Theories (1839 words, 3 pages)

The question as to whether scientific theories can be shown to be true or false is a complex one. The answer depends on one's interpretation of the meaning of theory. To what does it refer? Is its role to reveal the nature of reality, or is it merely a human ... Read More

An Analysis of Desert Winds and Electrical Energy in California (798 words, 2 pages)

Desert Winds and Electrical Energy The energy of the wind can be channeled into other forms of energy besides the energy used as an erosional agent. This is especially true of desert winds. Today, some desert wind is used to make electricity. Wind velocity is affected by air temperature. When ... Read More

A Essay About Reach the Planet Mars (683 words, 1 pages)

The rocket was getting fuel. As we put on our space outfits I wondered would this new space shuttle work. Would it reach the planet Mars. But then I thought of all the fame I would get if the shuttle did reach Mars and we came back safely. I will ... Read More

An Analysis of the Topic of the Identification of an Unknown Plasmid and the Restriction Enzyme Interaction (1746 words, 3 pages)

DNA and Restriction Enzyme Interaction Identification Of An Unknown Plasmid Abstract The fundamental purpose of these experiments is to research the interaction between DNA molecules and restriction enzymes. Two different experiments are performed. In the first experiment, two restriction enzymes, Hind III and Bam H1 interact with an unknown plasmid ... Read More

An Overview of the Molecule and the Five-Carbon Sugars (2174 words, 4 pages)

DNA REPLICATION WHAT IS DNA? DNA is a molecule that has a repeating chain of identical five-carbon sugars (polymers) linked together from head to tail. It is composed of four ring shaped organic bases (nucleotides) which are Adenine (A), Guanine (G), Cytosine (C) and Thymine (T). It has a double ... Read More

The Major Role Sunlight Plays in Our Sustenance (8629 words, 14 pages)

The Basics. Sunlight plays a much larger role in our sustenance than we may expect all the food we eat and all the fossil fuel we use is a product of photosynthesis, which is the process that converts energy in sunlight to chemical forms of energy that can be used ... Read More

The Importance of Cryogenics for the Future (1453 words, 3 pages)

Cryogenics and the Future Cryogenics is a study that is of great importance to the human race and has been a major project for engineers for the last 100 years. Cryogenics, which is derived from the Greek word kryos meaning "Icy Cold," is the study of matter at low temperatures. ... Read More

An Introduction to the Origin of Species Theor and the Genesis Myth (2089 words, 3 pages)

In every civilization throughout history, man has searched for the explanation to his existence. In ancient societys people created origin myths. Every civilization had a unique myth. Some myths involved gods and others involved nature. Sometime around one thousand B.C. the longest standing creation myth was popularized. This creation myth ... Read More

An Introduction to the History of Plastic Surgery (1180 words, 2 pages)

The days of the freak show may be over but the human fascination with physical appearance is stronger than ever (Simmons 45). According to the American Society for Aesthetic Plastic Surgery, nearly 8.5 million people in America had some form of cosmetic surgery during 2001. That's a whopping 48 more ... Read More

An Introduction to the Water Cooling Experiment (978 words, 2 pages)

The Water Cooling Experiment During this lab we measured, using our CBL's and graphing calculators, the change in temperature of a glass of boiling water left to cool in a room. The purpose of the lab is to see how exponential functions can be applied to real-life applications. During the ... Read More

An Introduction to Mixing Water and Methylated Spirits (345 words, 1 pages)

When water and methylated spirits are mixed together the molecules of each of the two liquids fit together more compactly than on their own. One example of this would be tessellation. Some shapes aren't able two tessellate on their own but with another shape they are able to. A molecule ... Read More

An Analysis of Genetic Engineering: Cloning (2336 words, 4 pages)

Genetic Engineering Cloning In today world of advanced technology and even faster progress of this technology one has to stop and examine what we have accomplished. How far do we want to go with this technology of genetic engineering, particularly in the field of cloning. Examining genetic engineering and its ... Read More

An Analysis of the Benefits and the Problems of Cloning (1858 words, 3 pages)

Cloning How far will it go? Everyday people find themselves at a crossroads that requires a decision as to which path to follow. In the past few years, scientists have gained knowledge about cloning that could impact our lives for centuries to come. As a society we are at a ... Read More

An Analysis of Cloning: A Progression of Acceptance (1106 words, 2 pages)

Cloning A progression of Acceptance Acceptance Throughout history there have been many practices which have at first been looked upon as "wrong" or "unacceptable" for any number of reasons. Some have been medical, such as surgery. Yet others, like x-ray technology for example, have been purely scientific. But as time ... Read More

All Types of Cloning Should Not Be Allowed (541 words, 1 pages)

Cloning Cloning The production of genetic copies and Clones A group of genetically identical organisms. Ever since the belief that cloning was a possibility, and especially since it has been developed, it has been a major conflict in the ethical world of values. There are many different pros and cons ... Read More

An Analysis of Cloning in Our Times (2592 words, 4 pages)

Possibilities of Cloning Cloning is one of the most controversial subjects of our times. Many are opposed to it for not only the religious implications but the ethical issue. The process is not yet perfected and if a human were to be cloned today, it would most likely produce a ... Read More

Advantages of Cloning (484 words, 1 pages)

Cloning is a new science that has much to offer. We can learn how to grow and harvest organs, which would eliminate the waiting list for those in need of a heart, liver or other vital organs. Many are worried that cloning will be used for the wrong purposes such ... Read More

A Essay of Chromatography (929 words, 2 pages)

Chromatography Research Most likely, the average person off the street couldn't tell you exactly what chromatography is. I, however, can tell you this, and much more relating to the subject. Chromatography is defined by Webster's Dictionary as "a process in which a chemical mixture carried by a liquid or gas ... Read More

An Introduction to the Analysis of Fiber Optics (587 words, 2 pages)

Fiber Optics Research Paper Fiber optics is a branch of optics concerning the transmission of light by means of optical fibers, which are thin strands of glass or other optically transparent materials. Optical fibers can be used to guide light--which is electromagnetic radiation in a certain frequency range--in much the ... Read More

An Analysis of the Topic of the Florida Space Coast (2930 words, 5 pages)

Challenger It was a cold, crisp, and damp morning on the Florida Space Coast as the space shuttle Challenger raced through the sky at speeds approaching mach 2 at an altitude of 104,000 feet when something went perilously wrong. All of America watched, including the family members of the seven ... Read More

An Analysis of Cellulose in Cell Walls of Plants (1035 words, 2 pages)

Cellulose is a polysaccharide found in the cell walls of plants. It consists of long chains of beta-D-glucose molecules linked by 1-4 glycosidic bonds which were formed by condensation polymerisation. These glycosidic linkages encourage the polymer chains to adopt a linear structure. The celluose molecule consists of a number of ... Read More

An Analysis of the Scientific Debate and the Hominid Evolution Methods of Experimentation and Theory (1513 words, 3 pages)

P.1 Scientists continue to debate the history of man. It is generally agreed upon by the scientific community, however, that humans evolved from lesser beings, and this essay will function to provide evidence to support this claim. Several points will be outlined, including the general physical changes that occurred between ... Read More

Space Exploration: A Luxury We Can’t Afford (826 words, 2 pages)

Firstly, I would like to reinforce the fact that the benefits perceived from space exploration are highly overrated. These "hypes" are created by space agencies, who try to justify the costs of space exploration in the eyes of the public. As we all know, numerous resources are devoted to space ... Read More

An Analysis of the Topic of the Chemical Reactions in the Chemistry (1949 words, 4 pages)

Chemical reactions are the heart of chemistry. People have always known that they exist. The Ancient Greeks were the firsts to speculate on the composition of matter. They thought that it was possible that individual particles made up matter. Later, in the Seventeenth Century, a German chemist named Georg Ernst ... Read More

An Analysis of the Topic of the Cellular Metabolism and Fermentation (948 words, 2 pages)

CELLULAR METABOLISM AND FERMENTATION Glycolysis, the Universal Process Anaerobic Pathways Aerobic Respiration Glycolysis, the Universal Process Nine reactions, each catalyzed by a specific enzyme, makeup the process we call glycolysis. ALL organisms have glycolysis occurring in their cytoplasm. At steps 1 and 3 ATP is converted into ADP, inputting energy ... Read More

An Analysis of the Topic of the Chlorofluorocarbons Era and the Roles of Sherwood Rowland and Mario Molina in Chemistry (1024 words, 2 pages)

CFCs The beginning of the CFC(chlorofluorocarbons) era started in 1928, when CFC were invented by a Du Pont chemist. CFC were best known as "freons" and became famous as a safe, nonflammable refrigerant. Its invention became a great triumph when Freon took the place of sulfur dioxide or ammonia which ... Read More

Science Essay Examples