1、Unit 1 Reading 1 The evolution of video and sound devices 高中英语高中英语 必修(第三册)必修(第三册) Unit 4 Scientists who changed the world Welcome to the unit 3. Can you talk about some scientists stories and contributions? 1. Have you ever dreamt of becoming a scientist? 2. Can you name some scientists who you are
2、familiar with? Lead-in Lead-in The scientists is motivated primarily by curiosity and a desire for truth. Irving Lanmuir Lead-in Look at the picture on Page 43. Do you know who he is? What do you know about this scientist? Yuan Longping: In 1953: _ In the 1970s: _ In 2004: _ Stephen Hawking: In 1942
3、: _ In 1988: _ In 2002: _ Video time Yuan Longping In 1953: _ In the 1970s: _ In 2004: _ Video time He graduated from South-west Agricultural College. He succeeded in developing the first hybrid rice varieties. He won the Wolf Prize in Agriculture and the World Food Prize. Stephen Hawking In 1942: _
4、 In 1988: _ In 2002: _ Video time He was born. A Brief History of Time was published and stayed on a bestseller list for 237 weeks. He was ranked number 25 in the BBCs poll of the 100 Greatest Britons. Which part of their life impresses you the most? Video time 1. What else do you know about the two
5、 scientists in the video? Yuan Longping has an asteroid named after him. In 1999, the asteroid project team who discovered it decided to honour this great man for his achievement in developing hybrid rice. The asteroid is called “Yuan Longping star”. Stephen Hawking fulfilled his lifelong dream of e
6、xperiencing zero gravity, even though he was wheelchair- bound. His dream came true when he flew in a special zero gravity airplane in 2007. Free talk 2. What are the similarities and the differences between the two scientists? Free talk The scientist is motivated primarily by curiosity and a desire
7、 for truth. Irving Langmuir Discussion What might be the necessary qualities for becoming a successful scientist? Scientist determination knowledge persistence critical thinking diligence imagination self-discipline perseverance curiosity Discussion What can you learn from these great scientists? Ha
8、ving read about these scientists experiences and stories, I was greatly impressed by their diligence, perseverance and great passion for seeking truth. It matters little whether I will become such a great scientist, but their spirit and attitudes towards study, career and life are what I can truly benefit from. Discussion Homework 1. Write a short passage about your inspiration after reading about the scientists stories. 2. Finish the workbook. Homework 1. Read this article aloud. 2. Finish the workbook. 谢谢 谢谢
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