Search Essays
ESSAYPAL:  home join now members questions contact us  
 
     categories
   American History
   Arts and Plays
   Book Reports
   Creative Writing
   Economics
   English
   Geography
   Government
   Legal
   Medicine
   Miscellaneous
   Music
   People
   Poetry
   Religion
   Science
   Society
   Technology
   World History

Essays on Science

Cold Fusion
Download This PaperWords: 954 - Pages: 4

... one of two ways. Energy can be input in to a system and multiplied, or energy alone can be generated although in a much smaller amount. For example, one watt of energy can be input and 3 watts recovered. Some systems are capable of producing hundreds of watts per individual watt. The actual physics of the reaction is not completely understood. Some claim it is merely a chemical reaction not yet understood, while others are convinced it is a nuclear reaction. One example is a cell which used .04 grams of metal hydride. It produced 86 megajoules over a two month period. A similar chemical reaction would have required 2,000 grams of chemicals to produce the ...



How Does Light Affect The Rate Of Photosynthesis?
Download This PaperWords: 1845 - Pages: 7

... around the clamp stand surrounding the water base. Finally, I would plug in the lamp and place it 10cm away from the pondweed. I done a preliminary experiment to get an idea how to do the main and proper experiment and what would happen in the experiment. In the preliminary experiment we didn’t use the safeguards so it wasn’t fair experiment. We did this because it gave us the idea what problems we might face when we did the main experiment and gave us the idea how to do it. The pondweed should create photosynthesis by the following equation: - 6CO2 + 6H2O 6C6H12O6+ 6O2 Photosynthesis occurs when plants take in Carbon Dioxide from the surroundin ...



Alcohol Benefits
Download This PaperWords: 449 - Pages: 2

... Study reported recently in the Journal of the American College of Cardiology that one drink a day can help lower the risk of heart disease. But when consumption surpasses two drinks a day, risks increase for some kinds of cancer. Doctors at UT Southwestern Medical Center at Dallas say before you start drinking for your health, talk to your doctor. For some people, the risks of alcohol outweigh the benefits. And remember that while one drink a day can be helpful, more can be harmful. Could a drink a day keep the doctor away? One study says alcohol can have beneficial effects. Doctors recently determined that people who drank moderately, about one or two drinks ...



Mitosis
Download This PaperWords: 239 - Pages: 1

... for to take place. The chromatis is coiled up and consists of loose threads. In prophase, the next longest stage, the chromatin becomes chromatids which later form chromosomes. They are attached to the centrioles by spindle fibers. The chromosomes are lined up in the center of the celll. The nucleolus and nuclear membrane disappear. In the next phase, metaphase, the chromosomes line up along the metaphase plate. The plate is the midpoint of the cell between the two centrioles which are located at opposite poles. During anaphase, the centrioles start playing tug of war with the chromosomes. The chromosomes split into identical daughter clells. The kinetochores are ...



Lung Cancer
Download This PaperWords: 689 - Pages: 3

... exists early and spreads out abruptly (Virtual Hospital, 3/23/99). Non-small cell is first confined to the lung, then spreads throughout the chest (MSKCC, “”). Small cell spreads quickly (World Book, “”). In the United States 85 to 90 percent of all cases are related to smoking. Cigarette smoking is the main cause of (Scientific American, “”). Second-hand smoke, inhaled by non-smokers, increases a person’s chance of acquiring (Beau Halton). Men who smoke increase their chance of dying from about 23 times and women increase their chances 13 times (“ Awareness Campaign,” 3/23/99). However, may also ...



The Comparative Abundance Of The Elements
Download This PaperWords: 474 - Pages: 2

... Aluminum 7.5%. Then the next most abundant elements are Iron 4.7%, Calcium 3.4%, Sodium 2.6%, Potassium 2.4%, Magnesium 1.9%, Hydrogen 0.9%, titanium 0.6%, Chlorine 0.2%, Phosphorus Manganese and Carbon are all 0.1%, Sulfur 0.05% Barium 0.04%, Nitrogen 0.03% and the rest of the elements on the periodic table take up about 0.5%. The elements of the crust are graphed below, but only ones that are the most abundant due to the fact that the abundance of the other elements of the crust are too low to graph accurately on one graph. Almost all elements are found as compounds, however Oxygen, Nitrogen, and to a lesser extent sulfur, gold, silver and platinum are the on ...



Argumentative Environment
Download This PaperWords: 2164 - Pages: 8

... (Fire) Lame Deer, claim that the damage industrialized society has done to nature is both immense and nearly criminal , the result of greed. Lame Deer complains that the white men "have not only despoiled the earth, the rocks, the minerals, all of which they call ‘dead' but which are very much alive; they have even changed the animals, which are a part of us, part of the Great Spirit, changed them in a horrible way, so no one can recognize them" (Erodes 209). On the other hand, conservatives frequently label environmentalists as extremists who despise almost all of capitalism's practices regarding ecology. That is, some extremist defenders of the profit motiv ...



Carpal Tunnel Syndrome
Download This PaperWords: 459 - Pages: 2

... knitting, cashier, and any hand tools or instruments that puts pressure on the base of the palm. Symptoms Symptoms that may be involved with are as follows: pain, tingling, and numbness in the thumb, index, middle, and ring fingers tingling in the entire hand pain that shoots from the hand up the arm as far as the shoulder a swollen feeling in your fingers-even though they may not be visibly swollen You may notice that: your symptoms are worse at night your hands feel weak in the morning you drop objects more than usual you have trouble grasping or pinching objects you may have trouble using your hands for certain tasks, such as buttoning a shir ...



How Low Self-esteem Effects Anorexia
Download This PaperWords: 1288 - Pages: 5

... anorexia because they are dissatisfied with themselves. B. An anorexia will take drastic measures to change her body image in an attempt to fit in. An Conclusion: It has not yet been pin-pointed what the exact cause of anorexia is. Many factors play a role, including self-esteem. Children need to be showed love and caring in order to gain the appropriate levels of self-esteem. Anorexia is a big issue in society today. Girls and boys are developing anorexic symptoms as young as age five. While anorexia can be detected in boys, girls, men, and/or women of all ages, “the most common ages of onset [remains] between thirteen a ...



Tigers
Download This PaperWords: 1606 - Pages: 6

... pattern of stripes. The tiger's head often carries the Chinese mark of wang or king on the forehead. Most have an orange coat with dark brown or black stripes accented with white. that live in cold climates (Siberian ) have thicker fur than that live in warm climates. A tiger's tail is 3 to 4 feet long, about half as long as its body. use their tails for balance when they run through fast turns. They also use their tails to communicate with other . Where did tigers come from? Tigers (and all other carnivores) are descended from civet-like animals called miacids that lived during the age of the dinosaurs about 60 million years ago. These small mammals, with l ...




Browse: « prev  73  74  75  76  77  more »

 

home | cancel subscription | contact us

Copyright © 2024 Essay Pal. All rights reserved