Is Matter A Big Controversy - 1653 Words

Introduction Definition of matter was a big controversy in science. Approximately two and third millennium ago, the Greek philosopher Aristotle (384 BC -322 BC) wrote that matter consist of fire, wind, earth and water and that different compounds are obtained by different combinations of these elements (Laycock, 1979). Around 2000 years after that and through many contributions from many scientists, William Odin categorised the elements based on their atomic number and stated that these elements combine with one another to create different compounds (Scerri, 2007). At present, around 100 elements react with one another to form thousands of known and unknown compounds. However in the last century, it was found that these elements and compounds only represent 4.9% of the universe. The other 95% is dark matter (26.8%) and dark energy (68.3%) (Francis, 2013). This means that scientists spent more than two millennia trying to understand the smallest portion of the universe. Hence, scientists are new t o the concept of dark matter and dark energy. So what is dark matter and dark energy that represent the majority of the universe and what are the theories that illustrates their behaviour in the universe, causing dark matter and dark energy be accepted hypothesis to explain the different observation? Figure 1 shows how small the ordinary matter is in the vast universe Dark Energy In the eighteenth century, Immanuel Kant proposed that there could be other galaxies and systems likeShow MoreRelated the rookie Essay1158 Words   |  5 Pagesthat is based on the life of Jimmy Morris, an ex-major league baseball player. The subject matter of the movie was to never quit; try, try again or at least until you reach your goal. This film inspires the person to fulfill their dreams no matter how impossible they may seem. nbsp;nbsp;nbsp;nbsp;nbsp;There were not many major characters in this movie, but all played an important roll to the subject matter. 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The author addresses this topic with evidence of both sides of the issue, and leaves the reader aware of the topic and its unclear stance in today’s society. This article examines the controversy of using Native American names and mascots by sports teams, even though the author provides two sides to the issue, the different evidence blinds the argument he is trying to make. S.L. Price wrote this article for the magazine Sports IllustratedRead MoreAnalysis Of Michael Jackson s The Equalization Of Blacks And Whites 864 Words   |  4 PagesThroughout our generation today, the equalization of blacks and whites is a very big controversy in everyday life. This year white actor Joseph Fiennes was reportedly chosen to cast as the role of the superstar Michael Jackson in a British movie about a road trip Jackson, Elizabeth Taylor, and Marlon Brando took after the incident of 9/11. This articles speaks about the uproar of the African Americans about the decision to have a white man play the artistic icon of African American culture, MichaelRead MoreSamantha Lewis. Mrs. Coufal. Composition Ii. March 27,1360 Words   |  6 PagesSamantha Lewis Mrs. Coufal Composition II March 27, 2017 Outline Thesis: I believe gun ownership should be harder to obtain because of the numerous amount of controversies of gun ownership. Introduction (Explanation/Issues) Significance in society today(ethos) Paragraph of First Evidence Opposing viewpoints (don’t argue for them just identify their side of the issue and explain their constraints) Common Ground the opposing side can find. Conclusion (give some pathos) Samantha Lewis Mrs