Unit 3 The world of Science Developing ideas 课件-2023-2024学年高一下学期英语外研版（2019）必修第三册

The world of science Yoyo B3U3 Lead- in : What can you get grom the video? 1 Guess who he is. 1 He is one of the Founding Fathers of the USA. He helped draft the Declaration of Independence. He was a printer and publisher, successful diplomat[ˈdɪpləˌmæt]外交官, creative scientist and inventor. He is on the $100 Bill. He helped America become a new country. He flew a kite during a storm to prove electricity of lightning. Banjamin Franklin Pre- reading: question mark 2 隐含的 明显的 To encourage readers to question this experiment. Reading Tip: We recognize the purpose by reading the title, first paragraph and last paragraph. Pre-reading: What is the function of the question mark? 2 While-reading: Read and match the main ideas. Paragraph 1　 A. Questioning accepted ideas. Paragraph 2 B. Benefits of the stories about exploring science. Paragraph 3 C. Benjamin Franklin’s famous experiment. Paragraph 4 D. Conclusion of the text. Paragraph 5 E. Introduction of the text. Paragraph 6 F. Not everything about the experiment is true. 3 Read for experiment’s details. Para. 2 Experiment report Purpose Materials Procedure 1._____ a string to a kite 2._____ a key to the string 3._____ the kite during the rainstorm 4._____ the key with the finger Result 4 Read and find out what Franklin’s experiment aimed to prove. To know if lightning was really produced by electricity or something else 4 Read for experiment’s details. Para. 2 Experiment report Purpose To know if lightning was really produced by electricity or something else Materials Procedure 1._____ a string to a kite 2._____ a string to a kite 3._____ the kite during the rainstorm 4._____ the key with the finger Result 4 What makes this experiment not scientific? Humans can’t touch lightning. Franklin touched the key. Franklin couldn’t have touched the key. ＋ = What the text says What we know An inference ? lightning flash: 300 million Volts household: 120 Volts Materials a kite a string a key Result He got an electric shock. Conclusion Lightning was a form of electricity. 2._____ a metal key to a string 4._____ the key with the finger 3._____ the kite during the rainstorm Attach Raise Touch 1._____ a string to a kite Tie Conclusion Materials a kite a string a key 2._____ a metal key to a string 4._____ the key with the finger 3._____ the kite during the rainstorm 1._____ a string to a kite Result He got an electric shock. Conclusion Lightning was a form of electricity. How much is true? What were people’s attitudes? Tie Attach Raise Touch Not 100% true Conclusion While-reading: Read and match the main ideas. Paragraph 1 Introduction of the text. Paragraph 2 Benjamin Franklin’s famous experiment. Paragraph 3 Benefits of the stories about exploring science. Paragraph 4 Questioning accepted ideas. Paragraph 5 Not everything about the experiment is true. Paragraph 6 Conclusion of the text. 3 how people’s attitudes change? ( ) Franklin’s spirit of scientific exploration is still considered an inspiration. ( ) People are amazed at and inspired by Franklin’s experiment. ( ) Scientists question what really happened in Franklin’s experiment. 3 1 2 Number the statements to show how people’s attitudes . 5 While-reading: Why do scientists question the accepted idea? Scientists often question accepted ideas because they want to establish the facts. Some have even questioned the story about the apple that fell on Newton’s head and led him to come up with his theory of gravity. In fact, more than one account suggests that while Newton was certainly inspired by a falling apple, there is no proof that it hit them on the head. accepted ideas question facts Scientists question accepted ideas to ________________________________. establish facts. Fact and fiction, which do you think matters? Why? What qualities should we have ? Fiction is often more interesting than the truth. People focus on the spirit of scientific exploration. The spirit of scientific exploration. Critical thinking The spirit of scientific exploration Critical thinking Read and answer 6 What are the spirits of scientists in China? They are patriotic because they love their country and serve the people. They pursue truth. They are rigorous in their research. ... 7 Think and Share Fact and fiction, which do you think matters? Why? What qualities should we have ? Fiction is often more interesting than the truth. People focus on the spirit of scientific exploration. The spirit of scientific exploration. Critical thinking The spirit of scientific exploration Critical thinking Read and answer 6 Think&share. What can you see for the first sight, a bunny or a duck? 7 2. Explain your understanding of the saying “Seeing is believing”. 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