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4,476 Science Free Papers: 2,941 - 2,970

  • Period 3 Elements

    Period 3 Elements

    Across the period, the metallic character of the Period 3 elements decreases. This is evident as sodium, magnesium and aluminium, the first three elements in period 3, are all classified as metals. We observed that they display highly metallic characteristics, as they are all solid, malleable and lustrous. On the

    Essay Length: 524 Words / 3 Pages
  • Periodic Table

    Periodic Table

    The History of the Periodic Table of Elements Dmitri Mendeleev and the early Periodic Table Dmitri Mendeleev was born in Tobolsk, Siberia; on February 7, 1834 .He was the youngest of 14 children born to Maria Dmitrievna Korniliev and Ivan Pavlovitch Mendeleev. His father was director of the local gymnasium.

    Essay Length: 1,959 Words / 8 Pages
  • Periodic Table

    Periodic Table

    Since the beginning of time, it has been human nature to orginaize things so that it will be easier for us to use and understand. The periodic table is one of those things. It was orginaized in such a way that it is filled with patterens everywhere you look.

    Essay Length: 392 Words / 2 Pages
  • Peropertve Salary Comparisons

    Peropertve Salary Comparisons

    Abstract There are reports among members of the nursing profession that indicate that nurses working in hospitals in the Northern states earn higher salaries than their counter parts in hospitals from the Southern states. Taking advantage of these reports, many nursing employment agencies will try to recruit experienced nurses from

    Essay Length: 1,741 Words / 7 Pages
  • Personal Environmental Ethics

    Personal Environmental Ethics

    There are some people who believe that the United States' strictly forced endangered species laws seriously hamper our economy. I on the other hand must disagree. The endangered species laws were created for an important reason: to protect our earth's biological diversity. Whenever humanity interferes with the ecosystem for the

    Essay Length: 442 Words / 2 Pages
  • Personal Essay on Racism

    Personal Essay on Racism

    Ashley Brush Psy 334 Reaction Paper 3 I found this weeks’ topics somewhat confusing, and I am still trying to understand fully. While reading one of the slides I found a sentence that really stuck with me; “For some people, there is conflict between what they do feel and what

    Essay Length: 436 Words / 2 Pages
  • Personal Ethics

    Personal Ethics

    Personal Ethics In today's world, individuals can make a single decision that can have a profoundly positive or negative affect on their family, their employer, coworkers, a nation, and even on the entire world. The life we lead reflects the strength of a single trait: our personal character. Personal ethics

    Essay Length: 852 Words / 4 Pages
  • Personal Introgations

    Personal Introgations

    Modesto High band instructor arrested, accused of relationship with teen last updated: September 22, 2007 05:37:09 PM The High Five 1. Week 3 Scores 2. Mom free in child's death 3. Charge against soldier dropped 4. High School Football - Week 3 Scoreboard 5. Modesto High band instructor arrested, accused

    Essay Length: 569 Words / 3 Pages
  • Perspectives in Genetic Engineering

    Perspectives in Genetic Engineering

    - Perspectives in Genetic Engineering by Georgiamarie Read IDH 2121 Valencia Community College Dr. John Bledsoe 26 April 2005 The Impacts of Genetic Engineering The scientific discoveries in genetics in the twentieth and twenty-first centuries are numerous in their potential as well as risk. To understand the risks as well

    Essay Length: 2,454 Words / 10 Pages
  • Peruvian Anchoveta Industry

    Peruvian Anchoveta Industry

    ABSTRACT The outstanding features of the Peru upwelling system are high productivity and great variability. No large changes in the parameters of the anchoveta population were detected in the fishery and survey data analyzed in studies done before 1972, but because of deficiencies in the data such changes may have

    Essay Length: 703 Words / 3 Pages
  • Pest Control

    Pest Control

    Substantial Content I. Importance of natural method of pest control The problem with broad range conventional pesticides is that they not only kill the bad bugs, but they rub out the good bugs, too. A garden without natural predators means a world of insects gone wild. There's nothing left to

    Essay Length: 3,753 Words / 16 Pages
  • Pesticides


    Pesticides are chemicals designed to kill, control, or repel insects, plant diseases, weeds, rodents, and germs. (Most pesticides are used in agriculture production, to killing pests found on hundreds of different crops including fruits, vegetables, nuts, and cereal grains.) Pesticides: What are they? Pesticides are chemicals that are used to

    Essay Length: 993 Words / 4 Pages
  • Pesticides and Their Harmful Affects

    Pesticides and Their Harmful Affects

    The American Cancer Society estimates that 177,000 new cases of lung cancer are diagnosed annually in the United States of America .The estimation in sex is 112,200 men and in women the estimation is 81,700, with a 5-year mortality rate of approximately 85%, more than 164,000 of these individuals will

    Essay Length: 648 Words / 3 Pages
  • Pesticides in Ground Water

    Pesticides in Ground Water

    To start out I will tell you a little bit about the topic. What is a pesticide?A pesticide is a chemical substance used to kill pests, especially insects. A pesticide is also referred to as a biocide. Most pesticides are applied in spray form but occasionaly you will see pesticides

    Essay Length: 380 Words / 2 Pages
  • Pesticides: What Are They?

    Pesticides: What Are They?

    Pesticides: What are they? Pesticides are chemicals that are used to destroy pests. In the agricultural industry, pesticides are classified into two categories, carcinogenic and non-carcinogenic. A carcinogenic pesticide is a substance or agent producing or inciting cancer. Conversely, a non-carcinogenic pesticide is substance that does not produce or incite

    Essay Length: 1,974 Words / 8 Pages
  • Pete Rose in the Hall of Fame

    Pete Rose in the Hall of Fame

    Pete Rose in the Hall of Fame To some, including myself, baseball is the greatest sport that has ever been played. It is a game played by two opposing teams made of multiple players, but only nine players per team play at the same time. To be part of one

    Essay Length: 996 Words / 4 Pages
  • Petition of Women of the Third Estate to the King

    Petition of Women of the Third Estate to the King

    "Petition of Women of the Third Estate to the King" (1 January 1789) Little is known about women's grievances or feelings in the months leading up to the meeting of the Estates-General. They did not have the right to meet as a group, draft grievances, or vote (except in isolated

    Essay Length: 1,409 Words / 6 Pages
  • Peyote Information

    Peyote Information

    Just a Drug? Throughout our entire lives we have always been told that drugs are bad. They have terrible consequences on our bodies, and can cause us to do things that we wouldn't normally consent to do in a sober state. Drugs can have adverse and varying effects on people,

    Essay Length: 1,869 Words / 8 Pages
  • Ph


    Many people today use exercise as a way to better their health and their lives, but the stress from exercising can put a strain on your body. As we exercise the glucose in our bodies break down and in turn produces CO2 and H+ due to the body’s metabolism become

    Essay Length: 311 Words / 2 Pages
  • Ph Levels

    Ph Levels

    Introduction: In 1909 S.P.L. Sorensen published a paper in Biochem Z in which he discussed the effect of H1+ ions on the activity of enzymes. In the paper he invented the term pH to describe this effect and defined it as the -log[H1+ ]. In 1924 Sorensen realized that the

    Essay Length: 498 Words / 2 Pages
  • Phantom Pain and Limbs

    Phantom Pain and Limbs

    The loss of an arm or leg through amputation is not an easy experience to endure, and is even more difficult when the patient begins to feel uncomfortable sensations in their now missing limb. This feeling, referred to as "phantom pain" or "stump hallucination", is a frustrating sensation to an

    Essay Length: 1,316 Words / 6 Pages
  • Pharmaceutical Engineering

    Pharmaceutical Engineering

    Pharmaceutical engineering, a.k.a. pharmaceutical science, is one of the most important careers in the United States. Imagine if there was nobody making new drugs to help cure diseases. There would be no drug companies; no pills to cure diseases, epidemics would spread rapidly across the country with nothing to stop

    Essay Length: 951 Words / 4 Pages
  • Pharmacology


    Introduction Rising healthcare costs is becoming a very important issue to many Americans. There is a lot of confusion about the specific causes, and the need for a major reform by the government. Most Americans want to continue to have the best care available to them, but are not willing

    Essay Length: 1,270 Words / 6 Pages
  • Pharmacology Lit Review

    Pharmacology Lit Review

    Pharmacology Literature Review The book Clinical Nutrition was truly a wonderful book on the subject. It provided a vast amount of information and was very well organized. I felt the book did a great job at really walking you through somewhat tricky subject matters in a way that really helped

    Essay Length: 905 Words / 4 Pages
  • Phenomenon of Tsumani

    Phenomenon of Tsumani

    The phenomenon we call a tsunami is a series of waves of extremely long wavelength and period generated in a body of water by an impulsive disturbance that displaces the water. Although tsunamis are often referred to as "tidal waves" by English-speaking people, they are not caused by the tides

    Essay Length: 512 Words / 3 Pages
  • Pheromone Paper

    Pheromone Paper

    A pheromone is defined as a substance that causes a response in a natural behavioral response in another animal of the same species. There are an abundant amount of pheromones presently. For instance the alarm pheromones sex pheromones, food trail pheromones, and many others that affect behavior. Pheromonal use among

    Essay Length: 1,045 Words / 5 Pages
  • Philogiston Theory

    Philogiston Theory

    Phlogiston Theory According to the phlogiston theory, propounded in the 17th century, every combustible substance consisted of a hypothetical principle of fire known as phlogiston, which was liberated through burning, and a residue. The word phlogiston was first used early in the 18th century by the German chemist Georg Ernst

    Essay Length: 7,548 Words / 31 Pages
  • Philosophy of Nursing

    Philosophy of Nursing

    I believe that nursing is both a science and an art. It demands men and women who are not only dedicated to caring, but who are also intelligent, educated and devoted to lifelong learning. Nursing focuses on the individual patient or client and his or her needs, not only the

    Essay Length: 337 Words / 2 Pages
  • Phobialist


    have a look into this phobias & select urs. Phobias - What are you afraid of? The Phobia List... A B C D E F G H I J K L M N O P Q R S T U V W X Y Z The word "phobia" is

    Essay Length: 2,082 Words / 9 Pages
  • Phosphates and Dissolved Oxygen

    Phosphates and Dissolved Oxygen

    Phosphates are present in many natural waters, such as lakes and streams. Phosphates are essential to aquatic plant growth, but too much phosphate can lead to the growth of algae and results in an algae bloom. Too much algae can cause a decrease in the amount in dissolved oxygen

    Essay Length: 834 Words / 4 Pages
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