Unit 1 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

U N I T 1 Reading and Thinking John Snow Defeats “King Cholera” In this lesson, you will summarize the stages of scientific research; get information about how John Snow defeated cholera; talk about John’s contribution and his influence. Learning objectives group game贯穿 John Snow Defeats “King Cholera” Who ? How ? What ? The text is mainly about how John Snow defeated king cholera. Pre-reading Paragraph(s) Main idea 1 2-3 4 5 What? Who? How? The truth Results and significance Read the passage quickly and choose the correct key words to summarize each paragraph. John Snow King Cholera Result: One of _______________________ in the world Severe diarrhoea, dehydration, and even _____ the most feared diseases death British A famous _______ (who even attended to when she gave birth) doctor Queen Victoria To destroy cholera once and for all. Reading-Para.1 ID(What): Symptoms: ID(Who): Nationality: Desire: Millions of people died from it. defeat How (paras.2&3) 1. What caused cholera? Cholera was caused by _______. Cholera was caused by ________________________________ . bad air an infection from the germs in food or water Reading-Para.2 Find a problem 2. Which theory is correct? Theory one: caused by ________ Theory two: caused by _______ ✔ bad air germs John Snow subscribed to the ________ theory. second Reading-Para.2 Ask a question 8 What did John Snow do? Reading-Para.3 Think of a method water pump beer pub Many deaths happened here. No deaths happened here. Snow suspected that the water pump was to blame. Collect data & Analyse the results Reading-Para.3 Where did many people die? & Where did no people die? What results did Snow get? & What did Snow suspect? The cause of a mother and her daughter’s death. (pump water) conclusion The pump water carried cholera germs. solution Removed the handle of the pump. Reading-Para.3 What’s the evidence for Snow’s suspecting? What’s the conclusion? Find supporting evidence & Draw a conclusion Stages of Scientific Research ______ analyse the results ______ ask a question ______ draw a conclusion ______ collect data ______ find a problem ______ find supporting evidence ______ think of a method Paras.2-3 How did John Snow defeat King Cholera? The cause of cholera The water from the River Thames had been polluted by waste. John Snow’s contribution and achievement •Water companies began to . •The threat of cholera around the world •He helped people know how to . • Snow scientists study diseases. Paras.4-5 Read and fill in the blank. sell clean water saw a substantial decrease. prevent cholera transformed the way the father of modern epidemiology To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science. —Albert Einstein & Leopold Infeld Thinking: What inspiration can we get from John Snow ? 提出新的问题，发现新的可能，从新的角度审视已存在的问题，这些需要创造性的想象力，并标志着科学的真正进步。 —阿尔伯特·爱因斯坦&利奥波德·英费尔德 How to prevent cholera Post-reading 15 In order to keep away from diseases, what should we do in our daily life? Further thinking avoid gathering wash our hands do sports eat clean food Homework: Why was it John Snow, not other doctors, who defeated king cholera? (Write about your opinion by using the information from the passage.) Thank you! 学科网 rbm.xkw.com rbm.xkw.com 270934.53 EV录屏3.9.6软件录制 Lavf56.38.102 本视频由湖南一唯信息科技开发的EV录屏软件录制，www.ieway.cn $$