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As we near the end of the millennium, the home planet that has for so long been our gracious host is suffering from the apathy and wreckless consumption of natural resources. Awareness is the gravest of concerns. Ignorance is not a bliss, for we must become aware of the problems that endanger our environment in order to save it. Unfortunately,...
Near the Earth's poles a magnificent spectacle of shimmering colored light can sometimes be seen --- the aurora. The aurora is called the aurora borealis (Northern lights) and the aurora austrails (Southern lights); it can appear as bright as a full moon. The aurora usually appears near the Earth's poles, and more northerly (or southerly) you...
INTRODUCTION The purpose of this experiment is to explore the hardness of the water on campus. Hard water has been a problem for hundreds of years. One of the earliest references to the hardness or softness of water is in Hippocrates discourse on water quality in Fifth century B.C. Hard water causes many problems in both in...
(ALS), sometimes referred to as "Lou Gehrig's Disease," is a progressive fatal neuromuscular disease that attacks nerve cells and pathways in the brain and spinal cord. Motor neurons, among the largest of all nerve cells, reach from the brain to the spinal cord and from the spinal cord to muscles throughout the body with connections to the bra...
The tertiary consisted of two main epochs. The Paleocene, the Eocene and the Oligocene, which make up the Paleogene; and the Miocene and Pliocene, which make up the Neogene. The close of the Cretaceous Period marked a major transition in Earth?s history. Ammonoids and marine reptiles disappeared from the sea. Marine taxa that persist as famil...
Recently, the media has spent an increasing amount of broadcast time on new technology. The focus of high-tech media has been aimed at the flurry of advances concerning artificial intelligence (AI). What is artificial intelligence and what is the media talking about? Are these technologies beneficial to our society or mere noveltie...
The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. _The glass_ lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and...
Myopic little men in tuxedos, or highly efficient land/water animals? Recent research indicates there?s more to penguins than meets the eye. If you?ve every wondered what it would be like to be able to see as clearly under water as you can on land, just ask the nearest penguin.Most aquatic animals are short-sighted on land. Most...
The Problem: I am going to find out how temperature can affect the rate of reaction. Background information: Factors that change the rates of reactions are: ? Temperature ' an increase in temperature will make the reaction occur faster. This happens because the particles of that substance move faster when it is heated. Because...
- Global Warming I have chosen to speak about Global warming because it is a major scientific issue in the media. Problems facing the environment today are vast and diverse. Destruction of the world's rain forests, the depletion of the ozone layer, air pollution, water pollution, chemical pollution and global warming are just some of...
This essay concentrates on the heavy metal cadmium, and its occurrence in the environment, its pathways into and out of the human body and its movement into and out of Sewage sludge. Firstly, I will provide a clear definition of the Heavy Metal Cadmium. What is Cadmium? Cadmium is a naturally occurring element in the earth's crust. Pure...
Pollution is the introduction of harmful substances or products into the environment. It is a major problem in America and as well as the world. Pollution not only damages the environment, but damages us also. It has caused many problems ranging from lung cancer to the greenhouse effect. It is all among us and yet we continue to live in our own...
Endangered Species All over the world there are species of animals and plants that are said to be "endangered". By calling them endangered, scientists say that they think the species will become extinct if something isn't done about them. Many more species are now threatened with extinction than ther should be because of many reasons. A sp...
Endangered species are living things whose population is so reduced that they are threatened with extinction. Thousands of species are included in this category. The International Union for the Conservation of nature and Natural Resources publishes a list of threatened mammals, birds, reptiles, amphibians, and (many people do not consider t...
