Animals and Earthquakes
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7 pages. An interesting paper reporting on the connection between animals and earthquakes. Can animals actually predict earthquakes days before the fact? And if so, how? There are many reports of animals behaving strangely just days before a major earthquake which causes many scientists to believe that the animals can actually predict what is going to happen. If this is the case, an interesting question is raised: is there a way we could use animals� abilities to give us early warning of earthquakes? Bibliography lists 5 sources.
Filename: JGAequke.wps

Basic Observations in Astronomy
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A 10 page overview of some of the basic premises of astronomy. Outlines the Big Bang theory and provides a description of Venus, Mars, and the four Jovian planets (Saturn, Pluto, Uranus, and Jupiter) in relation to the Earth and Sun, speculating on such anomalies as Venus� retrograde rotation. Outlines the methodologies and theories utilized by astronomers such as the Doppler Effect, Wien�s Law, Absorption Spectrum, Stefan-Boltzmann Law, and the Emission Spectrum. Bibliography lists 7 sources.
Filename: PPastron.wps

Bitumen Macadam Using Crushed Concrete as Aggregate
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A 5 page paper discussing the use of recycled concrete in place of quarried stone and gravel in forming the mixture that will become roadbed pavement. Concrete as an aggregate is more promising now than before the introduction of the latest generation of bituminous binders. It cannot be used in all situations, but in many it offers greater suitability than even more conventional local materials. Bibliography lists 5 sources.
Filename: KSmacadam.wps

Cadmium and the Environment
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This 11 page paper provides an overview of cadmium, what it is, where it is found and how it affects the health of human beings. Some animal studies are cited which speculates about additional implications. Practical information is also given on how people can protect themselves from this natural menace. Bibliography lists 9 sources.
Filename: SA144cad.rtf

Carlsbad Caverns
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A 6 page paper that presents an overview of the geological and geographical structure of Carlsbad Caverns, New Mexico. This paper recognizes the fragile states of this natural wonder, and presents and overview of the impact of the human element on the natural mineral structures created within the caves. Bibliography lists 3 sources.
Filename: Carlsbad.wps

Catastrophism and the Extinction of the Dinosaurs
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An 8 page discussion of the events which resulted in the extinction of the dinosaurs. Suggests that a meteoric impact with the earth set in motion a series of environmental events which ultimately translated into dinosaur extinction. Bibliography lists 10 sources.
Filename: PPdinoC2.wps

Centrifugal And Coriolis Forces
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A 5 page overview of the two forces and their interaction. Centrifugal force is that fictitious force that imparts a general feeling of weightlessness for astronauts and is also the force by which washing machines extract excess water from wet clothes. The Coriolis effect holds that an object which moves in a straight line above the surface of the Earth (and not parallel to the equator) will appear to curve because the Earth is turning under it. Together, both are important for space travel. Bibliography lists 4 sources.
Filename: Coriolis.wps

Charles Darwin's Theory of Evolution
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A 10 page consideration of the theory of evolution and our current knowledge regarding the origin of life. Outlines Darwin's theories and the natural history information which led to those theories and provides a brief outline of the chemical basis for the origin of life. Bibliography lists 11 sources.
Filename: PPevolut.rtf