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Term Papers on Science

The Effects Of Processing Vegetables
Number of words: 1004 - Number of pages: 4

.... diet that is lacking in Vitamin A depreciates a person’s ability to see in the dark. Which is where the saying that carrots will make you see better is derived from. Carrots were the vegetables chosen to be tested in this experiment. This experiment was designed to test if the processing of a carrot produces gas. In turn discovering the health related differences of canned, frozen and fresh carrots. Canning is a process of hermetically sealing cooked food for future use (Encyclopedia.com, 1999). This process is also called sterilization because it involves expos .....


Titanium
Number of words: 645 - Number of pages: 3

.... is reported to become very radioactive after being bombarded with neutrons. The emitted radiations are mostly positrons and gamma rays. The hexagonal alpha form changes to the cubic beta form very slowly at around 880 degrees Celsius. The metal combines with oxygen at red heat, and with chorine at 550 degrees Celsius. when a metal, is considered to be physiologically inert. Pure dioxide is kind of clear and has an extremely high index of refraction with an optical dispersion higher then diamond. The location of on the Periodic Chart is in the series of sub .....


Uranium: Nuclear Friend Or Nuclear Foe
Number of words: 2697 - Number of pages: 10

.... in the mines had a life expectancy of 20 years after entering the mines. It was two german doctors, Harting and Hesse, who brought this to the public. The doctors found that 75 percent of the miner deaths were due to lung cancer. But with their scientific knowledge the doctors could only assume that the deaths were caused by the inhalation of arsenic. Later studies between 1900 and 1940 found that the deaths were caused by radiation in the mines. The radiation the miners were exposed to would later be identified as uranium. Uranium is a natural occurring e .....


Alcohol
Number of words: 708 - Number of pages: 3

.... and socioeconomical boundaries. Each year it is estimated that ten percent of all deaths are related to abuse. Am astonishing fifty percent of all major automobile accidents, and murders are associated with . On and on the statistics point to the enormous dangers of , yet it is a legalized drug. As bleak as this problems seems to be on society as a whole, it is also rueful for the poor soul who is dependent. The life span of the ic is about ten years shorter than the non-drinker. The lifetime prevalence for ism in the United States is as high as f .....


Cetaceans And Evolution
Number of words: 794 - Number of pages: 3

.... hind limbs, but are a seperate and distint development. They contain no bone, and owe their firm and yet flexible shape to underlying fibrous elastic tissue. The body is enveloped in a thick layer of blubber that aids in bouyancy, helps to preserve body heat, and is a source of stored energy. A cetacean’s skin is free of sweat glands, oil glands, or hair, and feels much like smooth, wet rubber to the touch. Cetaceans, like other mammals, have lungs. They breathe air through a single nostril, or pair of nostrils, located on the top of the head; but contrary .....


Water Transitions
Number of words: 687 - Number of pages: 3

.... and chlorine; it also contains every naturally occurring element. Although seawater has a fairly constant ratio of major elements, salinity and seawater can fluctuate. Normally, the salinity is thirty-four to thirty-seven parts per thousand (ppt.), but on a particularly rainy morning, the salinity may decrease to something as low as thirty-two ppt. (Stuller 29). The mixing of freshwater and sea water forms a third type of water, known as brackish water. Brackish water can be found in a variety of mixing zones such as river deltas, freshwater titl .....


Tim O'Brien's The Things They Carried Eating Them Away
Number of words: 554 - Number of pages: 3

.... but before their departure, he returns to the field where he feels he lost everything. On this list he includes his honor, his best friend, and all faith in himself. For O'Brien, evidence of the parasite is not solely in his return Vietnam, but rather a constant personal preoccupation that seems to flow through the collection of stories. O'Brien shows how the memories of the war take on a parasitic form, and uses himself as an example. In the chapter ³Speaking of Courage², O'Brien introduces a character by the name of Norman Bowker. In the story Norman .....


Mars 2
Number of words: 1038 - Number of pages: 4

.... young and relatively smooth. The southern hemisphere is strewn with ancient craters of all sizes and is also elevated by a several kilometers creating a visible boundary. On the opposite end the northern hemisphere consists of a wider variety of geological features, but is obviously smoother and much younger. There are large volcanoes, a great rift valley, and a variety of channels. Volcanism is a geological process that occurs on Earth today, and has on many planetary bodies throughout the history of the solar system. No volcanism is occurring on the surfa .....



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