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Download The search for a description of matter began with the Greek
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The search for a description of matter began with the Greek philosopher Democritus more than 2000 years ago. He and many other philosophers had _______________ over this Dalton puzzled moving question: Could matter be _______________ into smaller and smaller pieces forever, had investigate divided _______________was there a limit to the _______________ of times a piece of matter divided looked or been could number _______________ be divided? After much observation and _______________, Democritus search comes would atomos questioning eventually concluded that matter could not _______________ divided into smaller and smaller pieces be in that _______________.Eventually the smallest possible piece would _______________ obtained. this forever were be properties there This piece would be indivisible. _______________ named this smallest piece of matter Democritus Meteorology Together _______________atom. The atom comes from the _______________ word atomos, meaning these observation and Greek for puzzled “not to be _______________,” or “indivisible.” cut over piece The Greek philosophers who _______________ Democritus’ belief about the atom were shared possible hundred _______________. The atomists had no way of _______________ what atoms were or how air atomists material but knowing led they _______________. But they hypothesized that atoms were _______________, hard looked him performed small discovered and particles that were all made _______________ the same material but were of _______________ of began gases different interested the shapes and sizes. Also, they hypothesized _______________ they were infinite in number, if with that always _______________, and capable of joining together. atomic few moving Although _______________ and the other atomists were on _______________ 8-20: Matter by A. Maton et al. (L=970) 1 Democritus who study composition hypothesized the right train, the theory of atoms _______________ ignored and forgotten. Few people believed same atomists was _______________ idea. In fact, it took almost 2100 _______________ years before an a the smallest hundred chemist acceptance atomic model of _______________ was accepted. number description matter In the early 1800’s, _______________ English chemist John Dalton performed a English the but _______________ of experiments that eventually led to _______________ acceptance of the shapes number questioning different the knowing idea of atoms. _______________ had long been interested in meteorology, _______________ Dalton Model Always believed the all study of weather. His observations about _______________ composition of air led him to more the although _______________ the properties of gases. He discovered _______________ gases combine as it investigate concluded shared not that if they were _______________ of individual particles. These particles were the atoms of other made in Democritus. 8-20: Matter by A. Maton et al. (L=970) 2 The search for a description of matter began with the Greek philosopher Democritus more than 2000 years ago. He and many other philosophers had 1______________ over this Dalton puzzled moving question: Could matter be 2______________ into smaller and smaller pieces forever, had 3 divided ______________ was there a limit to the 4______________ of times a piece of matter divided 5 investigate looked or been could number ______________ be divided? After much observation and 6_______________, Democritus search comes would atomos questioning eventually concluded that matter could not 7______________ divided into smaller and smaller pieces be 8 in that ______________. Eventually the smallest possible piece would 9______________ obtained. this forever were be properties there This piece would be indivisible. 10_____________ named this smallest piece of matter Democritus 11 Meteorology Together _____________ atom. The atom comes from the 12_____________ word atomos, meaning these observation an Greek for puzzled “not to be 13_____________,” or “indivisible.” cut over piece The Greek philosophers who 14______________ Democritus’ belief about the atom were shared 15 possible hundred _____________. The atomists had no way of 16_____________ what atoms were or how air atomists material but knowing led they 17_____________. But they hypothesized that atoms were 18_____________, hard looked him performed small discovered and particles that were all made 19_____________ the same material but were of 20_____________ of began gases different interested the shapes and sizes. Also, they hypothesized 21_____________ they were infinite in number, if with that always 22_____________, and capable of joining together. atomic few moving 8-20: Matter by A. Maton et al. (L=970) 3 Although 23_____________ and the other atomists were on 24_____________ Democritus who study composition hypothesized the right train, the theory of atoms 25_____________ ignored and forgotten. Few people believed same 26 atomists was _____________ idea. In fact, it took almost 2100 27_____________ years before an a the smallest hundred chemist acceptance atomic model of 28_____________ was accepted. number description matter In the early 1800’s, 29_____________ English chemist John Dalton performed a English 30 the but _____________ of experiments that eventually led to 31_____________ acceptance of the shapes number questioning different the knowing idea of atoms. 32_____________ had long been interested in meteorology, 33_____________ Dalton Model Always believed the all study of weather. His observations about 34_____________ composition of air led him to more 35 it the although _____________ the properties of gases. He discovered that gases combine as investigate concluded if they were made of individual particles. These particles were the atoms of Democritus. 8-20: Matter by A. Maton et al. (L=970) 4
