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Free research essays on topics related to: crystals

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  • Ultraviolet Radiation Ozone Layer
    1,027 words
    Greenhouse Effect On a bright, cool day, most people notice the sun's rays as feeling good on their skin. By nature, many of us even try to stay on the sunny side of the street while walking. The sun is 93 million miles away from earth and its energy travels to us in moving waves called radiation. The energy becomes heat, light and other energy too. Visible sunlight allows us to see the world around us, but there is invisible sunlight, too. These rays can't be seen, but some can be felt as heat....
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  • Tobacco Users Tobacco Industry
    898 words
    THIS IS A PAPER REGARDING THE TOBACCO INDUSTRY (3 PAGES). This paper is about the tobacco industry. Some would find that the label 'killing business' is very appropriate. Others would say that that name is misleading and inaccurate. Biased, I am not. So we will look at the issue in regards to the industry from both consumer and producer points of perspective with fairness and equality in reach. With an open mind now, let's peer closer at the aftermath tobacco has left us standing in. Something h...
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  • Food Processing And Preservation
    1,389 words
    Throughout the history of mankind science has searched into the realms of the unknown. Along with it bringing new discoveries, allowing for our lives to become healthier, more efficient, safer, and at the same time, possibly more dangerous. Among the forces driving scientists into these many experiments, is the desire to preserve the one fuel that keeps our lives going; FOOD. As early as the beginning of the 19 th century, major breakthroughs in food preservation had begun. Soldiers and seamen, ...
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  • University Of Paris Pierre Curie
    312 words
    Born in 1859 in Paris, Pierre Curie was a French physicist who spent a great deal of his life dealing in the fields of chemistry and physics. During his lifetime, he was known for his work in radioactivity, magnetism, piezoelectric effect, and his work and studies with his wife Marie Curie in discovering new elements on the periodic table. Pierre discovered many new things and helped advance the field of chemistry with his discoveries. Studying physics at the University of Paris, Pierre got a ba...
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  • Room Temperature High Temperatures
    688 words
    Silicon is one of mans most useful elements. In the form of sand and clay it is used to make concrete and brick; it is a useful refractory material for high-temperature work, and in the form of silicates it is used in making enamels, pottery, etc. Silica, as sand, is a principal ingredient of glass, one of the most inexpensive of materials with excellent mechanical, optical, thermal and electrical properties. Hyperpure silicon can be doped with boron, gallium, phosphorus, or arsenic to produce s...
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  • Dead Sea Cystic Fibrosis
    1,374 words
    Specific purpose: The audience will know that the Dead Sea is devoid of all plant and aquatic life, why the sea is so salty and the health benefits. Thesis or central idea: The Dead Sea has a unique environment Main Points: a. The Dead Sea is one of the saltiest bodies of water anywhere b. The Dead Sea is devoid of all plant and aquatic life c. The Dead Sea area has become a major center for health research and treatment Introduction: You know why they call it the dead sea? Because absolutely no...
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  • Form Of Energy Heinrich Himmler
    1,759 words
    ... a better understanding of how to increase the effectiveness of our agricultural practices, for example, we would have to study meteorology, because agricultural calendar depends on the annual change of climatic conditions, which, in its turn, depends on variety of cosmic factors, such as the rate of Solar activity etc. Natural Philosophy defines Earth as the living organism, which corresponds to magical vision of the world. This is why we can say that the development of Natural Philosophy ca...
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  • Layers Of Sediments Sedimentary Rock Sample
    365 words
    Sedimentary Rock The sample is a five-pound sedimentary rock. The rock is relatively flat and elongated, being around seven centimeters thick, forty five fifty centimeters long and about thirty centimeters wide. It feels quite light for its size and gives the impression that it is soft and fragile. The rock is mostly dark gray, although some bits are much lighter and seem to be out of place. You can also observe a large number of little shiny crystals that are embedded in the rock. Generally, th...
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  • Found In Burma Found In Brazil Birth
    781 words
    From prehistoric shamans to modern consumerism birth stones have been a part of human life. Beginning as magical talismans, they have been used for thousands of years to cure the sick, strengthen the weak, and decorate the rich. Birth stones are a modern fad powered by the wisdom of history. In prehistoric times, every village had a shaman, or witch. The shaman would cast spells to do all sorts of things within the village. After time, shamans discovered that different rocks and minerals did dif...
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  • Central Nervous System Years Of Age
    655 words
    CODEINE (C 18 H 2, NO 3 H 3 PO 4 1 / 2 H 2 O) Our team researched the drug Codeine. We used several different sources to gather our information. We go information from Jay Moser and Sue Peterson, our two local pharmacists. We researched medical encyclopedias, journals, and magazines. Codeine is known medically as methyl morphine. It is a drug derived from opium, a poppy plant. It was discovered in 1832 by French chemist Pierre-Jean Robiquet. Codeine constitutes about 0. 5 to 2. 5 percent of this...
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  • Coca De Mat Rats Or Monkeys Cocaine
    851 words
    &# 61623; Crack Coke Facts Crack &# 61623; Crack is actually a less pure sort of free-base cocaine. Unlike old-fashioned free-base, however, its production doesnt involve any flammable solvents. &# 61623; Crack is usually made by mixing two parts of cocaine hydrochloride with one part baking soda in about 20 ml of water. The solution is then heated gently until white precipitate form. Heating is halted when precipitation stops. The precipitate is filtered and retained. The precipitate may then b...
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  • Three Phases Law States
    528 words
    Solids, liquids, and gases are the three main, or fundamental phases of matter. Each one has a different density and a different level of stability. What determines the stability of each phase is the bond between its atoms. The tighter the bond between its atoms the more stable that phase of matter is. Solids are the most stable form of matter, followed by liquids, and then gases. Solids have a definite shape and do not take the shape of their container. Liquids do not have any definite shape an...
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  • Lysergic Acid Side Effects
    784 words
    The use of LSD LSD The use of drugs among Americans is rapidly rising. They can be bought and sold almost anywhere, from the streets to hallways of schools. A drug on the rapid rise from the 70 s is LSD. Some people attribute this to the fact it is extremely inexpensive, $ 2 - 4 a hit, the wrong belief by users that it is a safer drug than marijuana because it isnt physically addicting. However, LSD is a hallucinogenic drug that is very dangerous, despite popular belief. LSD stands for Lysergic ...
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  • Marie Curie Henri Becquerel
    881 words
    LIFE Marie Curie MARIE CURIE LIFE OF MARIE CURIE Marie Curie (1867 - 1934) was a French physicist with many accomplishments in both physics and chemistry. Marie and her husband Pierre, who was also a French physicist, are both famous for their work in radioactivity. Marie Curie, originally named Marja Sklodowska, was born in Warsaw, Poland on Nov. 7, 1867. Her first learning of physics came from her father who taught it in high school. Maries father must have taught his daughter well because in ...
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  • Billion Years Ago Life On Mars
    760 words
    Mars: Is There Life Out There? Since 1976, when the Viking Landers took off toward the red planet, people have been wondering if there is life on Mars. There have been questions of pictures taken from Mars and skepticism about why some of the recent landings have failed. Scientists, up till now, have been doubtful about life on Mars. Everything changed on August 7, 1996, when NASA and President Clinton told the world that a very primitive life form had been found in a meteorite, from 1984. Presi...
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  • Washington D C Major Part
    1,092 words
    Math and many of its aspects are a major part of everyday life. We spend the majority of our school years studying and learning the concepts of it. Many times, the question of? why do we need to know these things? ? has been asked. The following report will explain the history and purpose of geometry in our lives. ? Geometry? means? measure of the earth? . In ancient Egypt, the Nile would flood its banks each year, flooding the land and destroying the farm areas. When the waters receded and the ...
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  • World Report Volume U S News 038 World
    1,236 words
    A Quantum Computer a future technology By the strange laws of quantum mechanics, Folger, a senior editor at Discover, notes, an electron, proton, or other subatomic particle is in more than one place at a time, because individual particles behave like waves, these different places are different states that an atom can exist in simultaneously. Ten years ago, Folger writes, David Deutsch, a physicist at Oxford University, argued that it may be possible to build an extremely powerful computer based...
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  • Chemical Reactions Environmentally Friendly
    1,110 words
    OXFORD AND Untitled OXFORD AND CAMBRIDGE SCHOOLS EXAMINATION BOARD. General Certificate Examination Advanced Level Chemistry (Salter's) Paper 3 mock. ROBERT TAYLOR U 6 JW. THE ROLE CATALYSTS IN CHEMICAL REACTIONS, THEIR IMPORTANCE IN INDUSTRY, PROBLEMS AND NEW DEVELOPMENTS. A Catalyst is a substance that alters the rate of a reaction. The catalyst remains unchanged at the end of the reaction. The process is called catalysis. In this report I aim going to explain the role of catalysts in chemical...
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  • Bodily Fluids 13 Year
    1,197 words
    Reading while youre wonder-wounded Shakespeares Words: A Glossary and Language Companion David Crystal and Ben Crystal 628 pp, Penguin Shakespeare wrote when the English language was young, supple and full of energy. He changed it as he used it, inventing new rhythms, new ways of thinking and expressing thoughts, new windows into newly discovered minds. The Crystals, and Stanley Wells in his introduction to their new glossary, argue that Shakespeare's language has lately become more difficult fo...
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  • Room Temperature Small Amounts
    1,195 words
    Silicon I. Introduction Silicon is a metalloid at room temperature with an atomic number of 14, 14 electrons, 14 neutrons, and an average atomic mass of 28. 0855. In its pure form silicon melts at 2, 570 degrees, and boils at 4, 271 degrees Fahrenheit. This element belongs to the metalloid family, the 14 th family on the periodic table of elements. This element is a solid metalloid at room temperature and turns to liquid at 2, 570 degrees. Silicon is prepared as a brown amorphous powder or as gr...
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