Unit1 Science and Scientists Reading and Thinking 课件-2024-2025学年高中英语人教版（2019）选择性必修第二册

Unit 1 Science and Scientists Reading and Thinking 年 级：高二 学 科：英语（人教版） 1 Teaching Aims: Language Ability To master the research steps and retell the process. Learning Ability To extract key information Culture Consciousness To develop their scientific spirits. Thinking Quality To organize information in a logical order, and deal with everything with scientific spirits. 2 I. Lead in Name these famous scientists and tell the contribution they have made. 3 Stephen Hawking a theory about black holes 图片来源于百度 4 Zhong Nanshan He contributed to the COVID-19 fight and was recommended for the Medal of the Republic nomination. 图片来源于百度 5 图片来源于百度 6 In the early 19th century, an infectious disease similar to COVID-19 hit Europe. Cholera. 7 John Snow, a British doctor, was born in York on March 15th, 1813, the oldest of nine children. He was well-known for his study on Cholera. II. Pre-reading 图片来源于百度 8 draw a conclusion think of a method collect data ask a question find a problem analyze the results Find supporting evidence 7 stages What order would you put stages of scientific research in? 9 Step 1. Find a problem What is the problem? Cholera, one of the most feared disease of its day, broke out. III. Fast reading 10 Step 2: Ask a question two contradictory theories Theory one: air VS Theory two: germs in water or food John Snow subscribed to ... III. Fast reading 11 Step 3: Think of a method He began to investigate it by marking on a map the exact places where all those who died had lived. III. Fast reading 12 Step 4: Collect data III. Fast reading 13 Step 5: Analyse the results Many deaths happened near the water pump. No death happened in some households. III. Fast reading 14 Step 6: Find supporting evidence What extra evidence did he find? A woman and her daughter who lived far away but drank the water also died. III. Fast reading 15 Step 7: Draw a conclusion with certainty The polluted water carried the virus. III. Fast reading 16 Read the passage carefully and find out more information. IV. Careful reading 17 Para.1: What symptoms（症状）? Cholera When? Where? Result? Who? John Snow What to do? severe diarrhoea, dehydration, and even death. In the early 19th century. Europe Milions of people died from the disease. A young doctor who even attended to Queen Victoria when she gave birth. To destroy cholera once and for all. IV. Careful reading 18 Para.2 & 3 A. It was believed that cholera was caused by bad____or germs in __________ B. Snow_____________________the places where the people who_______had lived. air food or water marked on a map died IV. Careful reading 19 Para.2 & 3 C. Many deaths occurred near the______________in Broad Street. Some people________drunk the water from the pump, and lived. A woman and her daughter died in another part of London after __________________________________. D. The pump water carried____________. E. The________of the pump was removed. cholera germs handle IV. Careful reading water pump hadn't drinking water from the pump 20 Match the following headers with the letters from the chart above. Write A-E in the blanks. 1. conclusion___________ 2. evidence____________ 3. process_____________ 4. solution_____________ 5. theories_____________ D C B E A IV. Careful reading 21 Para. 4 & 5: 1. Was cholera destroyed completely? 2. What contributions did John Snow make to science? 3. How to prevent cholera? No. Cholera is still a problem. He helped people know how to prevent cholera. He transformed the way scientists study diseases by using maps and statistics. We should eat cooked food rather than raw food. IV. Careful reading 22 V. Discussing To be a great scientist, what qualities and scientific spirits are needed? 23 committed knowledgeable courage to face difficulties strong sense of social responsibility critical thinking care for life questioning mind creativity 24 Retell the passage. Summary 25 See you! 26 $$