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Essay / Research Paper Abstract
This 3 page paper explores one of the most basic and most mysterious forces in nature: buoyancy. It explains why a heavy steel ship can float but a steel nail sinks. Bibliography lists 3 sources.
Page Count:
3 pages (~225 words per page)
File: KV32_HVshpsnk.rtf
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Unformatted sample text from the term paper:
outer space than we do about the deepest parts of the Earths oceans, which may help to explain why we are fascinated by them. This paper briefly describes and experiment
on buoyancy and why some things sink and others float. Discussion A student doing buoyancy experiments might want to explain his interest in the topic, such as having been around
boats all his life, working on them, or having relatives who make their living from the sea. Perhaps there are fishermen in the family, or Navy personnel, or even people
who work on cruise ships. Or perhaps the student was raised near the beach and has always loved the sea. Being near the water an interest in sailing and ships
comes naturally, leading to curiosity about how something so big and heavy could float. The experiment begins with an illustration of the principle of buoyancy, which has been known
since the ancient Greeks. If the student ties one end of a line around a rock and the other end to a spring balance, and slowly lowers the rock into
a container of water, the balance will show that the rock is getting lighter (Buoyancy and Archimedes principle, 2008; hereafter "Archimedes, 2008"). Since the rock is not changing physically (i.e.,
its not falling apart and losing weight by changing its physical shape), it must be being affected by some force (Archimedes, 2008). In fact, a force is pushing up against
the rock making it appear that it is getting lighter; that force is the "buoyant force" (Archimedes, 2008). "The tendency of a liquid to exert an upward force on an
object placed in it thereby making it float or rise is called buoyancy" (Archimedes, 2008). The actual experiment is very simple: the student drops steel nails into a container of
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