(2021新牛津译林版)高中英语必修三 Unit4 Welcome to the unit公开课比赛ppt课件.pptx

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1、 To watch two videos about Yuan Longping and Stephen Hawking, and note down de key information according to the timeline. To describe the similarities and differences between the two scientists. To share with partners additional information about the two scientists and other great scientists. The sc

2、ientist is motivated primarily by curiosity and a desire for truth. Irving Langmuir Have you ever dreamt of becoming a scientist? Can you name some scientists who you are familiar with? Can you talk about some scientists stories and contributions? Many scientists have changed our lives and made a di

3、fference to the world. Look at the pictures and talk about them. Yuan Longping The Father of Hybrid Rice Professor Yuans pioneering research has helped transform China from food deficiency to food security within three decades. His accomplishments and clear vision helped create a more abundant (充裕的充

4、裕的) food supply and, through food security, a more stable world. “As China is helping them develop hybrid rice, African countries will have a bright future,” said Yuan Longping. The world-renowned agricultural scientist, who received the Medal of the Republic for his contribution to the country ahea

5、d of the 70th anniversary of the founding of the Peoples Republic of China, also urged the youth to pursue lofty(崇高崇高 的的) ideals instead of simply chasing after money. Stephen Hawking a scientist who wrote A Brief History of Time His thoughts are excellent to travel to the vast space-time, unlock th

6、e mystery of the universe. He suffered ordinary people can not bear the pain, but also created ordinary people can not create a miracle. Marie Curie a two-time Nobel Prize winner for her research in physics and chemistry Madam Curie is the only woman in history to win two Nobel Prizes. She was award

7、ed both in 1903 and 1911 for her contributions to science. Her work on radioactivity (放射现象放射现象) has been of paramount (至高无至高无 上的上的) importance to humankind. Tu Youyou discovered artemisinin (青蒿素青蒿素) She is the first Chinese Nobel laureate in Physiology or Medicine and the first female citizen of Chi

8、na to receive a Nobel Prize in any category, as well as the first Chinese person to receive the Lasker Award. (拉斯克医学奖拉斯克医学奖极具声望的生物医学奖项极具声望的生物医学奖项) John Nash a mathematician who made great contributions to game theory Nashs contribution to economics is one of the most remarkable in the history of the

9、 field. Nashs mathematical talents could rival the genius of Von Neumann like few others in the history of economics. Watch the videos and finish the following exercises. Yuan Longping In 1953, he _ South-west Agricultural College. In the 1970s, he _ the first hybrid rice varieties. graduated from s

10、ucceeded in developing Stephen Hawking He _ the field of general relativity. In 1988, A Brief History of Time was published and stayed on a bestseller list for _. made great contributions to 237 weeks Watch the video again and fill in the table. Yuan LongpingStephen Hawking Nationality Research fiel

11、d Scientific field Prizes ChineseEnglish AgricultureGeneral relativity Hybrid rice Hawking Radiation A Brief History of Time The Wolf Prize in Agriculture The World Food Prize The Medal of the Peoples Republic of China Ranked number 25 in the BBCs poll of the 100 Greatest Britons What else do you kn

12、ow about the two scientists in the video? Yuan Longping has an asteroid named after him. In 1999, the asteroid project team who discovered it decided to honor this great man for his achievement in developing hybrid rice. The asteroid is called “Yuan Longping star”. Stephen Hawking fulfilled his life

13、 long dream of experiencing zero gravity, even though he was wheelchair-bound. His dream came true when he flew in a special zero gravity airplane in 2007. Who discovered that objects in water are lifted up by a force that helps them float? Archimedes (287-212 BCE) an ancient Greek mathematician & p

14、hysicist What other great scientists do you know of? Archimedes principle 阿基米德定律阿基米德定律(浮力浮力) Give me a place to stand, and I shall move the world. If you put an object into water, the water pushes the object up. It rises and partly floats. The force of the water pushing it up is the same as the weig

15、ht of the object. Who wrote a book explaining how animals and plants developed as the environment changed? The Origin of Species Charles Darwin (1808-1882) British author It explains how plants and animals changed over time to fit in with a changing environment. Who was the painter that studied huma

16、n bodies to improve his painting of people? Leonardo da Vinci (1452- 1519), Italian artist masterpieces Who invented the earliest instrument to tell people where earthquakes happened? invented the first seismograph (地动仪地动仪) Zhang Heng (78-139) Scientist determination knowledge persistence critical t

17、hinking diligence imagination self-discipline perseverancecuriosity What might be the necessary qualities for becoming a successful scientist? “Knowledge, practice, inspiration and opportunity” are the four elements behind his past accomplishments. 袁隆平的八袁隆平的八字方针:知识、字方针:知识、 汗水、灵感、机遇汗水、灵感、机遇。 Discuss the scientist you talk about in class and write a passage to show the scientist you respect in 100 words.

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