1. John Dalton by Kayla Wheatley and Zack Forney

2. The problem with the previous model... There was not an atomic model... Newton’s theory stuck for 200 years. John Dalton made the first attempt.

3. Gas Research -Studied the nature and chemical makeup of air -The Mechanical System

4. Evidence That Led To Change Studied pressure and weights of different gases Was able to find that this was dependant on atoms. Studied characteristics of compounds.

5. Development -Water absorbs different proportions. -Chemical Elements are are composed of atoms. -His atomic theory. -His Model

6. Tidbits -Dalton was more philosophical than scientific. -Dalton tried to come up with a new version of the Periodic Table, but it was not the most effective version.

7. List of websites. http://www.ck12.org/book/CK-12-Physical-Science-Concepts/r3/section/2.39/Dalton%2527s-Atomic-Theory/ http://www.atomic-molecular-optical-physics.suite101.com/article.cfm/john_dalton_and_atomic_theory http://www.universetoday.com/guide-to-space/physics/john-daltons-atomic-model/ http://dl.clackamas.edu/ch104-04/dalton%27s.htm http://www,chemheritage.org/classroom/chemach/periodic/dalton.html http://www.chemteam.info/AtomicStructure/Dalton.html http://antoine.frostburg.edu/chem/senese/101/atoms/dalton.shtml http://www.biography.com