3. Learning Goals What will we learn in Unit 1? Go through the summing up form on p 8

4. Word study ( P 99) Pair work * Read the new words aloud, and pay attention to the pronunciation

5. n. v. adj. infection examination=exam science, scientist conclude analysis defeat value Use the correct form of the words in this unit to fill in the chart.

6. infection examination science, scientist conclude analysis defeat value infectinfectious examine scientific conclusion analyse defeat value valuable

7. n. v. adj. instructor, instruction contribution, contributor contributiv e create calculate move completion enthusiasm instructinstructive contribute creation creative calculation movement movable complete enthusiastic

8. What do you know about great scientists? Try the quiz on P1 and find out who knows the most. Warming up

9. 1.Which scientist discovered that objects in water are lifted up by a force that helps them float? Archimedes (287-212 BC) an ancient Greek mathematician & physicist

10. 2.Who wrote a book explaining how animals and plants developed as the environment changed? Charles Darwin (1808-1882) British author of The Origin of Species

11. 3.Who invented the first steam engine? Thomas Newcomen (1663-1729) British, improved the first steam pump and turned it into a steam engine for taking water out of mines in 1712. James Watt improved it and turned it into the first modern steam engine used on the railways.

12. 4.Who used peas to show how physical characteristics are passed from parents to their children? Gregor Mendel (1822-1884) Czech ( 捷克人 )

13. 5.Who discovered radium? Marie Curie (1867-1934) (Polish and French, won two Nobel Prizes)

14. 6.Who invented the way of giving electricity to everybody in large cities? Thomas Edison (1847-1931) an American inventor

15. Thomas Edison The Inventions of Thomas Edison Phonograph 留声机 Lightbulb Motion Pictures

16. 7.Who was the painter that studied dead bodies to improve his painting of people? Last Supper Mona Lisa Leonardo da Vinci (1452-1519) Italian artist

17. 8.Who invented a lamp to keep miners safe underground? Sir Humphry Davy (1778-1829)British Miniature Miner's Safety Lamp

18. 9.Who invented the earliest instrument to tell people where earthquakes happened? Zhang Heng (78-139) Chinese, invented seismograph

19. 10.Who put forward a theory about black holes? Stephen Hawking (1942--) a British astronomer

20. Q Answer 1.Archimedes 2.Charles Darwin 3.Thomas Newcomen 4.Gregor Mendel 5.Marie Curie 6.Thomas Edison 7.Leonardo da Vinci 8.Sir Humphry Davy 9.Zhang Heng 10.Stephen Hawking

21. Pre-reading (pair discussion) What five most important qualities do you think a scientist should have? Give reasons. careful clever strict patient creative strong-willed honest serious intelligent humorous ambitious generous

22. 1. Listening exercise P41,Ex 1&2 2. Speaking task (p46) write some key words to the Qs to help your talk on your book and prepare to introduce the scientist you admire most to the class 3. Read notes ① -- ⑨ to Unit 1, p76-77 4. Preview the reading passage John Snow Defeats “King Cholera”(p2)