Archimedes+09

Archimedes Famous Mathmatician and Scientist Archimedes was born in Syracuse, Sicily.   

 

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Archimedes 



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**Birth and Death**  Archimedes was born in 287 B.C. He died in 212 B.C.

**Archimedes and Science ** 

He is known for discovering the laws of levers and pulleys, the principle of buoyancy, and the principle of specific gravity.

**More Science **

<span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">Archimedes discovered the sciences of mechanics, about the actions of forces on things solid, liquid, or water. He also discovered hydrostatics, which has to do with the pressure of liquids. A few other things he discovered were the laws of levers and pulleys, and the principle of buoyancy why certain things float, sink, or rise into the air. He did a lot with the principle of specific gravity, one of the basic scientific tests of all the elements. The definition of element is a basic substance. There are no combinations of substances in an element.For example, the gas hydrogen is an element and so is oxygen. If they are combined they make water, which is a compound. Every element or every combination of elements has a different density, or weight for its size. This is one way to tell one substance from another. The density of any substance compared with the density of an equal volume of water is its specific gravity. Archimedes invented the hydrometer, which measures the density of something. He also invented an astronomical machine that showed the eclipses of the sun and moon. He invented war machines that protected Syracuse, his hometown from Romans for 3 years. One of his other inventions was the Archimedean Screw, a device used to load grain, run high speed machines, drain fields, or water fields. He wrote many amazing things about all kinds of math, except for algebra. He didn't write about algebra because they did not know about zero until many, many, year after his time. He started the idea of calculus, the math of changing rates, speeds, and quantities.

<span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">** Career ** <span style="background-color: #f9fbf9; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">One place Archimedes worked was the Egyptian fields, where he invented the Archimedean screw to water the fields. There was rumors that he didn't invent the screw for that specific reason, and that he invented the screw to pump water out of ships. The Archimedean screw was one of the first versions of propellers.

<span style="background-color: #32ec38; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">**Interesting Facts About Archimedes** <span style="background-color: #f9fbf9; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;"> Archimedes didn't have a first or last name. <span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif; font-size: 11pt;">In Greece the only way to separate the numbers from the letters was to add an apostrophe like this: ß'. He once moved an entire ship, full of men, with one hand... using a pulley. <span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">He loved math more than he did science. ¶ is a greek letter called pi, it is also 3.14159, it is used often in math if you are working with circles. Pi is sometimes called the Archimedean Number. Greeks came up with gravity before Sir Isaac Newton.


 * Citations **
 * 1) <span style="background-color: #00ffff; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">Bendick, Jeanne. Archimedes and the door of science. Warsaw, ND: Bethlehem Books,1995. Print.
 * 2) <span style="background-color: #22f316; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">" science ." Online Photograph. Encyclopædia Britannica Online School Edition. 22 Sept. 2009 <[]>.
 * 3) <span style="background-color: #00ffff; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">Google Earth.