(
课件网) 1. Get information about how John Snow defeated cholera; 2. Figure out the stages for John Snow's scientific research; 3. Talk about the significance of John’s work and his qualities and scientific spirits. Learning Objectives In this class, you will be able to: Great secientists we have learnt before Tu Youyou Yuan Longping Einstein Lead-in ④ Besides coronavirus, what other kinds of epidemics （流行病）have you heard of bird-flu（禽流感） malaria（疟疾） plague（鼠疫） Ebola(埃博拉) ① ② ③ Who Helped Defeat Malaria Lead-in Watch the video and leran about the symptoms (症状) of Cholera and how it spraed. Lead-in dehydration (缺水) severe vomiting(呕吐) diarrhea(腹泻) It begins in the stomach and a severe case can lead to death without immediate treatment. What are the symptoms (症状) of Cholera？ Lead-in John Snow Defeats “King Cholera” The text is mainly about _____ and _____ he defeated king cholera. John Snow how Pre-reading Discuss the following stages of scientific research in groups. What order would you put them in 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 Pre-reading Read the text quickly; match the main ideas. Para1: Para2: Para3: Para4: Para5: John Snow decided to prove the second theory. John Snow desired to destroy cholera. John Snow’s contributions. John Snow began his study by marking on the map. Truth of the infection of cholera. Fast-reading Read Para. 1 and finish the information cards John Snow King Cholera Identity: Symptoms: Consequence: Occupation: Nationality: Desire: one of _____ in the world _____ of people died from it when it hit Europe in the early 19th century _____ _____ when she give birth) the most feared diseases severe diarrhoea, dehydration, and even death Britain Millions A famous _____ (who even attend to _____ doctor Queen Victoria To destroy cholera once and for all. Detailed-reading 1. What caused cholera Cholera was caused by _____. Cholera was caused by _____ . bad air an infection from the germs in food or water Para2: Find a problem Detailed-reading 2. Which theory is correct Theory one: caused by _____ Theory two: caused by _____ bad air germs John Snow subscribed to the _____ theory. second Para 2: Ask a question More proof is needed Detailed-reading What method did he use How did he finally find out why marking on a map Analyze the map and circle the key areas with your group members. 1.Which houses had more than 4 deaths in Broad Street 2.Which houses had no death in Broad Street They drunk the water from the pump. They drunk free beer from the Public house. pub multiple deaths happened near the water pump. 16, 37, 38 and 40 14, 20, 21, 25, 27, 28 and 34 Para 3: Think of a method Detailed-reading The cause of a mother and her daughter’s death. (pump water) conclusion The pump w ... ...
