Transcript John Dalton
Tanpreet and Manvir Personal Story • Born September 6, 1766 – died July 27, 1844 • Gave lectures on natural philosophy at the age of 12 • Made principal within 4 years • His brother and him were born color blind • This led him to research color-blindness, which is officially known as Daltonism Idea of the Atom Atomic Theory • Matter is composed of small particles called atoms, cannot be broken into smaller particles, created or destroyed • Atoms of any given element are all identical to each other and different form the atoms of other elements • Atoms of different elements combine in specific ratios to form compounds • In a chemical reaction, atoms are separated, rearranged, and recombined to form new compounds Experiments/ Areas of Study Studied weather, atmospheric pressure and meteorology Daltons Law of Partial Pressures Discovery of air and its components Performed numerous experiments of mixtures of gases Daltonism Major Scientific Contribution Atomic Theory All matter is composed of extremely small particles called atoms, which cannot be broken into smaller particles, created, or destroyed. The atoms of any given element are identical to each other and different from the atoms of other elements. Atoms of different elements combine in specific ratios to form compounds. In a chemical reaction, atoms are separated, rearranged, and recombined to form new compounds. Bibliography • http://www.colblindor.com/2006/04/09/daltonismnamed-after-john-dalton • http://weather.about.com/od/weatherinstruments/ss/met eorologists.htm • http://www.biography.com/people/john-dalton-9265201 • http://www.humantouchofchemistry.com/johndalton.htm • http://antoine.frostburg.edu/chem/senese/101/atoms/da lton.shtml