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Science Essays

• Alzheimer\'s Disease (new)
  Alzheimer’s Disease Alzheimer’s disease is named after Dr. Alois Alzheimer who discovered the disease in 1906 after studying the brain tissue of an elderly woman who died of an unusual mental illness. It is a serious disease which causes mental deterioration and eventually death. Alzheimer’s disease is “a progressive degenerating process of neural tissue” (Black). The symptoms of this disease can be slowed with certain treatments, but cannot yet be prevented or cured. Although not an infecti...
• REfraction
  Refraction Practical 4.11, 4.12 (Theory 4.4, 4.5, 4.6) Aim: What happens when light rays move from air into a Perspex Prism? Risk Assessment: Identify Rating Minimisation Slight electrocution Low When connecting or disconnecting ray box and the transformer, hold it by the plastic end where electricity cannot conduct. Brightness of light Low B right light can cause damage to your retina. To prevent this, do not turn the transformer above 8 volts. Procedure: 1. Collect light box...
• Green Revolution
  Green Revolution: The Beginning With the rapid growth of our global population pouring into the next millennium, we will witness an ever-growing hunger rate around the world. That is unless we call for a revolution on the global scale. The Green Revolution which already sprouted in the early part of the century only need to add a bit more momentum and we will see a bright future for the human race, a future without hunger and starvation hopefully. It is becoming...
• cells
  M3 DISCUSS THE EFFECTS OF UNSAFE PRACTICE WHEN PREPARING, COOKING AND SERVING FOOD IN A SOCIAL CARE SETTING TOUCHING AND SERVING FOOD WITHOUT GLOVES NOT WASHING YOUR HANDS BEFORE TOUCHING FOODS USING THE SAME KNIFE FOR VEGETABLES AND MEATS, CHINCKEN ETC. USING THE SAME CHOPPING BOARD FOR VEGETABLES AND MEATS ETC. SERVING WITH YOUR HANDS USING UNCLEAN UNTENSILS SERVING UNDER THE RIGHT TEMPERATURE UNCOVERDED HAIR DIRTY AND LONG FINGERNAILS SHOULD NOT SERVE FOOD WITH FLU WHEN...
• Meningitis Paper
  Introduction According to the Mayo Clinic (2011) meningitis is “an inflammation of the meninges surrounding the brain and spinal cord”. They continue by explaining that the inflammation is “usually due to the spread of an infection”. Meningococcal meningitis is a strain of the meningococcal disease that is caused by a serious bacterial infection. Compared to viral meningitis, the National Association of School Nurses (2011) stated that meningococcal meningitis can “kill an otherwise healthy ...
• Sleep For Teens
  Teens and Sleep Lindsey Malott By: National Sleep Foundation 9/14/11 www.sleepfoundation.org period #2 September 2011 This article is about the Importance of sleep. Specifically talking about why teenagers need a lot of sleep. Sleep is essential to the human body. If you do not get enough sleep regularly it can be dangerous. Your body needs sleep so that it can function well during the day. According to studies teens need at least 8 ½ hours of sleep every night. Som...
• Crime scene evidence collection
  In this report I will discuss the importance of collecting evidence at a crime scene. The evidence can make or break a case. There are specific duties assigned to each member of the CSI team who investigates a crime scene. Strict protocols are followed when securing the crime scene, collection evidence and interviewing witnesses. There are 5 main steps in processing a crime scene; interview, examine, photograph, sketch, and process. The gathering of evidence falls within the guidelines of proces...
• Cervical Cancer Research paper
  The female reproductive system is one of the most fascinating and complex anatomical organ systems of the body. All though this is true, the female body may have some complications such as cervical cancer which begins in the cervix. According to Weeg cervical cancer is the third most common cancer among women in the world. But what exactly is Cancer? Cancer can be defined as the buildup of extra cells which often forms a mass of tissue called a growth or tumor. The extra mass of tissue can be...
• My Pyramid V.S. My Plate
  For many years society has been following a nutrition chart known as the Food Guide Pyramid. In the traditional illustration formed in 1992, the chart used its shape to form categories that contained the various food groups. The idea behind the traditional pyramid was to use the visualization of the pyramid shape to provide an essential guide for people to follow. The result was a simple, easy to understand guide that provided the necessary nutritional information based on a 2000 calorie a day...
• Extra terrestrial life
  One of the biggest debates amongst scientists is whether or not life exists on other planets, or as they call it extraterrestrial life. Famous scientists like Carl Sagan and Stephen Hawking think that life surely exists elsewhere, that Earth doesn’t occupy a unique position in the universe. Numerous scientists since many centuries have been searching for life both in the solar system and exoplanets, such as the SETI ( Search for Extra-Terrestrial Intelligence) that uses scientific me...
• Student
  A Midsummer Night’s Dream The play A Midsummer Night’s Dream by William Shakespeare, the short story The Hand, by Sidonie-Gabrielle-Colette, and the poem Acquainted with the Night by Robert Frost all use many symbolic references within their texts in order to describe certain characteristic points about their respective proses. Many authors used symbolism in order to convey certain messages that are not so apparent in the writings. “Symbolism is the systematic or creative use of arbitrary symb...
• effect of temperature on endotherms
  This study examines the difference in metabolic rates between an endotherm and ectotherms, and between different ectotherms. Endotherms are animals that maintain a constant body temperature even when the temperature of their environment fluctuates. In contrast, ectotherms are animals whose temperature is regulated by their environment. It was hypothesized that an endothermic rat would have a higher metabolic rate than ectothermic crickets, worms, and a snake since it has to work harder to mainta...
• Psoriasis
  What is psoriasis? Like many skin conditions and disease among us, psoriasis is actually a very common condition. Psoriasis is considered a disease of the epidermis. It's also considered by skin cells that increase up to ten times faster than normal. As essential cells reach the skin's surface and die, their pure volume causes raised, red plaques covered with white scale. Psoriasis normally occurs on the knees, elbows, and scalp and can also affect the torso, palms, and soles of the feet. Most ...
• Heart attack
  Heart Attacks Heart Attacks     Heart attacks are the leading cause of death in the United States. Everyday approximately 1,500 people die from heart attacks.   Thousands more suffer crippling effects of some form, and remain disabled for the rest of their lives.   A simple definition of a heart attack is a sudden failure of the heart resulting from an occlusion or obstruction of a coronary artery.   Basically, this means the heart is no longer receiving the blood supply it needs to...
• genetic disorder
  Biology II 10/3/00 Earth’s inhabitants have populated all of the regions of the world, discovered places never dreamed of, and have advanced beyond normal understanding, while man can still be conquered by an object which is immeasurably small. While man has been so busy trying to find a way to get rid of all pain and suffering, he has finally discovered that there are things that cannot be stopped. This relentless phenomenon is called a genetic disorder. A genetic di...

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