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Science and Nature Term Papers and Reports
An Experiment In Edge Damage
983 Words - 4 Pages

.... flake would be used in this experiment. It was approximately forty-eight millimeters long, thirty-four millimeters wide, and seven millimeters thick. From the ventral view, the left side was serrated. This seemed like the most appropriate side to use as a saw. A small round twig, a centimeter thick, from a local deciduous tree was used as the wood subject. The exact species of the tree is unknown; however, it was a very hard wood and a light brown/tan color. Initially, medium pressure was used on the flake and it was moved in bi-directional strokes across the stick. After about thirty strokes, the use edge angle prohibited the flake from cutting further in t ....


Predator - Prey Relationships
4238 Words - 16 Pages

.... topic of discussion in symbiosis is parasitism. Parasitism is when the relationship between two animal populations becomes intimate and the individuals of one population use the other population as a source of food and can be located in or on the host animal or animal of the other population(Boughey 1973). No known organism escapes being a victim of parasitism(Brum 1989). Parasitism is similar to preditation in the sense that the parasite derives nourishment from the host on which it feeds and the predator derives nourishment from the prey on which it feeds(Nitecki 1983). Parasitism is different from most normal predator prey situations because many different parasites ....


Darwin’s Finches
964 Words - 4 Pages

.... to their new habitats. They are reproductively isolated and soon they cannot interbreed, hence becoming a new species. Species “A” Geographically Isolated Permanent Isolation - Bodies of water - Mountain formation - Volcanic activity - Destruction by man New Species A good example of allopatric speciation is the differences between the common giraffe (Giraffa camelopardalis), and the reticulated giraffe (Giraffa cameloparadalis reticula). These two subspecies have formed on different sides of the Tana River in Kenya. They are phenotypically distinct, and can only produce fertile offspring in zoos. Sympatric speciation occurs when two segments of the same spe ....


Add
726 Words - 3 Pages

.... and may be unable to focus more than a few moments on mental tasks. . They lack the ability to block out noise. A simple noise can capture their attention. children are often in a state of confusion. They are poor at prioritizing, recognizing what is important, and making decisions based on reverent factors ( Taylor 15) While observing a child with for one hour a few key things stood out. The child failed to complete tasks assigned to him and he was unable to follow more than one instruction at a time. Attention Deficit Disorder affects social and family relationships, school performance and self esteem. Family relationships is most crucial when there is a child ....


Nuclear / Particle Physics Effects Of The Atomic Bombs On Hiroshima And Nagasaki
2095 Words - 8 Pages

.... The process by which this is done is known as fission. The only two atoms suitable for fissioning are the uranium isotope U-235 and the plutonium isotope Pu-239 (Outlaw Labs). Fission occurs when a neutron, a subatomic particle with no electrical charge, strikes the nucleus of one of these isotopes and causes it to split apart. When the nucleus is split, a large amount of energy is produced, and more free neutrons are also released. These neutrons then in turn strike other atoms, which causes more energy to be released. If this process is repeated, a self-sustaining chain reaction will occur, and it is this chain reaction that causes the atomic bomb to have its destruc ....


Solar Energy
382 Words - 2 Pages

.... shining through panes of glass evaporated the water that then condensed water with no salt in it on the glass, which was then collected by running into other troughs. Early 1960’s when we found out how to put satellites and astronauts into orbit a source of power was needed to be found that would have to function over a long period of time with a continuous source of electrical power. If these needs weren’t met future space activities would be limited. was eventually used. Once an unmanned space probe was on its way no one would be there to oil or repair it. Solar cells today are made out of one of the earth’s most common ingredients, silicon. Silicon used in produci ....


Frogs
978 Words - 4 Pages

.... through many changes. Starting out as a tadpole, and morphing into a frog. Most frogs lay their eggs in water. Others will lay their eggs some where safe, then carry them to water where they hatch into tadpoles. At this stage they have gills, no legs, and a tail. As they mature, their gills and tail disappear, and they develop lungs and legs. This period of tadpole life can be divided into three stages. The first stage, called “ premetamorphosis,” lasts about 50 days (Patent 54). The second stage, in which the hind legs grow, is called “prometamorphosis,” and lasts about 21 days. When the legs are about as long as the body, the third stage, which is called ....


Extra Terrestrial
404 Words - 2 Pages

.... from UFO's traveling through black holes to there being millions of other universes with intelligent life. Yet the only evidence of any extraterrestrial beings come from sightings by ordinary people. World governments tried to keep the phenomenon of extraterrestrial life forms secret. Due to the fact our society is gullible believing every myth that one might tell to another. This confidentiality only lead to more curiosity among the people. So far, in spite of a concerted effort by not only the U.S. government, but other governments worldwide to discredit the whole notion of unidentified flying objects; in spite of the ridicule heaped on anyone who even hints ....



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