1. Life And Death of John Dalton

2. John D. Born on Sept. 6, 1766 Died on July 24, 1844 Born Eagelsfield, Cumberland in England,

3. Dalton Discovery The atomic theory The atomic theory All matter is made of atoms. All matter is made of atoms. Compounds are formed by a combination of two or more different kinds of atoms. Compounds are formed by a combination of two or more different kinds of atoms. All atoms of a given element are identical in mass and properties All atoms of a given element are identical in mass and properties

5. Cont.. His theory was formulated into his book New System of Chemical Philosophy His interest in weather conditions led him to keep daily records and to write Meteorological Observations and Essays.

6. Family Quaker Family Quaker Family Both Dalton and his brother were colorblind Both Dalton and his brother were colorblind was the youngest of three was the youngest of three

7. Life of Dalton Became schoolmaster for his school at age 12.School failed and he took to farm work Became schoolmaster for his school at age 12.School failed and he took to farm work He was not a skilled experimentalist He was not a skilled experimentalist He was not articulate He was not articulate

8. Cont… he taught mathematics and physical sciences at New College, Manchester. English Chemist and Physicist He was colorblind He was a member of the Royal Society.

9. Death of Dalton Had a paralytic stroke which partially disabled him in 1837 Had a paralytic stroke which partially disabled him in 1837 Second stroke in May of 1844 Second stroke in May of 1844 Died in July Died in July

10. Questionnaire What did Dalton discover? What did Dalton discover? Atomic Theory Atomic Theory

11. Questions Where was he born? Where was he born? Eagelsfield, Cumberland in England, Eagelsfield, Cumberland in England,

12. Questions What did the atomic theory prove? What did the atomic theory prove? All matter is made of atoms. All matter is made of atoms. All atoms of a given element are identical in mass and properties All atoms of a given element are identical in mass and properties

13. Questions How did he die? How did he die? paralytic stroke paralytic stroke