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Marie Curie. By Mimi Benkoussa. Personal Background & History. Marie Curie was a French scientist born on November 4 th , 1867. She lived with her parents and four siblings in Warsaw, Poland.
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Marie Curie By Mimi Benkoussa
Personal Background & History • Marie Curie was a French scientist born on November 4th, 1867. She lived with her parents and four siblings in Warsaw, Poland. • When she was ten years old, Marie Curie was sent to a boarding school in Warsaw that had once been run by her mother, which she graduated from in 1883. While at school, she received some scientific training by her father. • Because of an anti-Polish system in Russia in 1863, Marie Curie wasn’t able to attend any universities in her area. However, she helped promote and attended an underground educational project called ‘Flying University’. • With financial assistance from her older sister Bronia, Marie moved to Paris. She studied mathematics and physics at the University of Paris, also called Sorbonne. • Marie Curie was the first woman to get a doctorate in France, and a few years later, she became the first female teacher at Sorbonne. • Some of the awards that Marie Curie earned for her scientific research were the Nobel Prize for Physics and the Davy Medal in 1903, She was also awarded the Matteucci Medal in 1904, and a second Nobel prize in chemistry in 1911.
Scientific Research & Interests • Marie Curie and her husband, Pierre Curie, conducted lots of research on radioactivity . Radioactivity is the property of some elements to spontaneously emit particles or rays. It is caused by the disintegration of nuclear atoms. Marie Curie continued research on the same topics as Henri Becquerel, her former teacher. • She tested several substances for radioactivity, and realized that there were more radioactive elements than just uranium, which was the only radioactive element known at that time. 92 • Marie Curie was able to discover two new radioactive elements that can be found on the periodic table today: polonium and radium. • After Marie Curie’s research, scientists have been able to find many more radioactive elements in the periodic table by following in her footsteps. U Uranium 238.02891
Major Discoveries, Contributions, & Experiments • Marie Curie’s experiments and research played a big role in shaping the structure of the atom. • Marie Curie theorized that the properties that made a substance radioactive were not found in the molecules, but in the atoms themselves. She was able to come up with this idea while using the Curie electrometer (that her husband and her brother-in-law created) to test uranium. She discovered that uranium rays had caused the air around a sample to produce an electric current. Marie Curie found out that activity of uranium compounds depended on the amounts of uranium present. She was eventually proven to be correct. (Curie Electrometer)
More Major Discoveries, Contributions, & Experiments • Marie Curie found out that there were more radioactive elements than just uranium by testing different substances for radioactivity, such as pitchblende. She found out that it was composed of elements more radioactive than uranium, and that led to the discovery of two new elements: radium and polonium. • Ever since Marie Curie discovered radium and polonium, scientists have been able to discover more and more radioactive elements.
Importance • After her discoveries, scientists were able to use the same methods as she did and were able to come up with many more radioactive elements. • After Marie Curie discovered the many more forms of elements that contain radiation, she has made great contributions to medicine and science. • Both nuclear power and nuclear bombs have been created by using energy from radioactive materials. • Marie Curie introduced the use of radium in x-rays for medicine and technology. Radium is also used for radium-therapy, used to treat tuberculosis.
Citations Curie, Marie. (2008, August 29). Retrieved from New World Encyclopedia website: http://www.newworldencyclopedia.org/entry/Marie_Curie Davis, R. E., Metcalfe, H. C., Williams, J. E., & Castka, J. F. (1999). Modern Chemistry. Austin, Texas: Holt, Rinehart and Winston. Marie Curie. (2011, October 9). Retrieved from Wikipedia website: http://en.wikipedia.org/wiki/MarieCurie#Newelements Marie Curie - Biography. (2011). Retrieved from Nobelprize.org website: http://www.nobelprize.org/nobelprizes/physics/laureates/1903/marie-curie-bio.html Medical Discoveries - Curie, Marie. (2011). Retrieved from Medical Discoveries website: http://www.discoveriesinmedicine.com/General-Information-and-Biographies/Curie-Marie.html Parker, S. (1992). Scientific Discoveries: Marie Curie and Radium. Newington Green, London: Belitha Press.