… Thanksgiving feast begins its journey through the fabulous digestive system. It is here that the lips, cheeks and tongue, carefully position the food that the teeth will chew. This chewing process breaks up the food, this being a part of mechanical…

… Lima SBI OA1 Mr. Swanson 10/4/99 Purpose: To study the effect of environmental changes in the permeability of living beet root cells. Procedure A: The effect of pH on the cell membrane Materials & Method 1. Cut a…

… whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: Big Bang and…

… 65 million years ago, at the end of the Cretaceous period, something so devastating that it altered the course of life on earth. It seems like it happened so sudden, as geologic time goes, that almost all the dinosaurs living on earth disappeared.…

… question is , “What is Acid Rain?” You hear about it all the time in the news and it is very important to the earth’s ecosystem. In simple terms, acid rain is rain that is more acidic than normal. All objects in nature have a certain level of acicicity…

… Acid rain is a complicated problem. Primarily caused by air pollution, acid rain's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and in lakes and streams. This form of air pollution is curre…

… but many people to the south of us are observing another season- hurricane season. According to the Montshire Museum of Science, "hurricanes usually occur in the North Atlantic from June to November, with most of them in September." On average, between…

… surrounding the destruction of the earth’s atmosphere due to air pollution, the immediate and direct harm caused to the human body is often over shadowed. While many are aware that our careless use of hazardous chemicals and fossil fuels may leave the…

… important chemists. One is Sir Humphry Davy. Davy was born on December 17, 1778 in Penzance, Cornwall, England. He went to school in Penzance and in Truro. In 1794 his father died, to help his family financially he got a job as an apprentice to a…

… greatest scientific geniuses of all time, led a long and important life. Newton was an English scientist, astronomer, and mathematician who made significant contributions in many fields of scientific and mathematical reasoning. Newton also made importa…