(
课件网) Unit 1 Science and Scientists Reading and Thinking John Snow “Defeats King Cholera” Learning objectives By the end of this class, you will 1. sort out information and analyze the structure of the article ; 2. learn the basic steps of scientific research and find out John Snow's research process; 3. learn to ask questions independently in reading and understand the important role of the questioning mind in scientific research. Lead in What disease is described in the video Brainstorm John Snow Defeats “King Cholera” What will be talked about from the title Who How What What questions comes into your mind Who was John Snow What was cholera What caused king cholera How did John Snow defead king chorale What contributions did John Snow make What was the truth Para. 1 what&who Para. 2-3 how Para. 4 truth Para. 5 results & significance Skimming find out the key words for the main idea. Read the paragraph 1 carefully and fill in the mind map. Cholera when/where what result In the early 19th century/ Europe one of the most feared diseases Millions of people died John Snow who what a _____ doctor British, young and famous never _____ _____ once and for all _____ Queen Victoria attended to lost his desire to destroy cholera Scanning PLAY NOW John Snow VS “King Cholera” King Cholera: London A good place! Let’s go to London! John Snow: So many deaths… No one knew how to prevent or treat cholera. John Snow: I should stop it! I must destroy cholera once and for all. Task 1. Choose the correct theory. The first theory The second theory Which theory should I choose √ It was correct, but he still needed proof. Background information miasma theory 瘴气说 malaria = bad air bloodletting 放血疗法 Task 1. Choose the correct theory. The first theory The second theory Which theory should I choose √ Questioning mind: question_____ the first theory/the popular idea/ authority... Mission completed You got a map. John Snow: A map Oh, yes! I can use this map. Let me see… Enter Task 2 Items you’ve got 1.Which house had multiple deaths in Broad Street Please help me analyze the map with questions Items you’ve got 2.Which house had no deaths What can we infer from the map Please help me analyze the map with questions Items you’ve got The water pump was to blame. Draw a conclusion Collect data Ask a question Find a problem Analyze the results Find supporting evidence Think of a method Task 3. Stages of Scientific Research design your mind map Draw a conclusion Collect data Ask a question Find a problem Analyze the results Find supporting evidence Think of a method Task 3. Stages of Scientific Research Task 4. Read for analysis Work in groups. Read para.2&3, find the keys words &sentences corresponding to(与...相符，相当于）the 7 scientific stages. In general, doctors in those days had two contradictory theories to explain how cholera spread. One theory was that bad air caused the disease. Another was ... ...
