1. Presentation Li Ke Major in chemistry

2. Christopher Columbus Christopher Columbus One of the pioneers in navigation during 15 th century One of the pioneers in navigation during 15 th century Maybe the first one to discover America from other continents Maybe the first one to discover America from other continents

3. Columbus — The world belongs to the adventurers. — Genius,is the person that can dig up gold and spring from the place where other think is barren. — The perseverence of moving on gives brith to discoveries, so I think it has no relationship with the cravens. —— Columbus —— Columbus

4. Columbus was born before 31 October 1451 in Genoa, part of modern Italy.[10] His father was Domenico Colombo, a middle-class wool weaver who worked both in Genoa and Savona and who also owned a cheese stand at which young Christopher worked as a helper. Christopher's mother was Susanna Fontanarossa. Bartolomeo, Giovanni Pellegrino, and Giacomo were his brothers. Bartolomeo worked in a cartography workshop in Lisbon for at least part of his adulthood.[11] He also had a sister named BianchinettaGenoa[10]Domenico ColomboSavonaSusanna FontanarossacartographyLisbon[11]

8. Columbus —— One of the greatest navigator in later 15 century

9. Columbus — The world belongs to the adventurers. — Genius,is the person that can dig up gold and spring from the place where other think is barren. — The perseverence of moving on gives brith to discoveries, so I think it has no relationship with the cravens. —— Columbus —— Columbus

10. Columbus Columbus was born in 1451 in Genoa of Italy. He is one of the greatest navigator in later 15 century.His father was a wool merchant. When he was 26 years old, he became to make merchant voyages. The farthest countries he reached were Iceland and Guinea.

11. Columbus At that time, many European countries became stronger and stronger. Their ships reached Africa and Asia. They got gold, silver, silk, tea and other things from the orient. Columbus wanted to make another way to China and India.

12. Columbus On August 2,1492, Columbus left Spain and began his first voyage. He had three ships. After two months ’ hard sailing, on October 12, they got to an island in the Bahamas. On October 29, they reached Cuba. But a few days later, one of his ships left them. And on December25, his flagship sunk. Fortunately, the ship that left them rejoined him again. They went back to Lisbon on March 4,1943.

13. Columbus Although they didn ’ t get to rich orient countries and look back wealth, they found a new place that nobody had gone to. Columbus thought it was India and called the islands the West Indias.

14. Columbus From 1493 to 1504, he sailed to America three times. He reached most of the coast of southern America and set up many colonies. On May 20,1506, Columbus died because of disease.

15. Columbus Columbus discovered America in 1492 ， many people thought he was a great man.But, others did not think so.They thought it was easy for him to discover America.One day, Columbus took a party and invitated many people to come to his party.In the party, Columbus took an egg from his plant and said “ who can make this egg stand on the table? ” No one can do it.then Columbus took the egg,broke it a little and turn it on. ” you see said he.Everything is as easy as that. Everybody can do it,after others show him how to do it.

16. Thank You!