1.1学案设计(二).docx

学案设计 Unit 1Great scientistsPeriod 1文本研读课学习目标1.To talk about science and contributions of scientists.2.To have a better understanding of the reading passage and learn to use some key words and expressions.3.To learn to organize a scientific research and appreciate great peoples characteristics and qualities.自主预习1.Match the scientist in the left column with his/her contributions in the right column.Alexander Bellelectricity Thomas Edisonthe first telephoneWright brothersthe electric lampMadame Curieblack holes in the universeFranklintheory of gravitySteven Hawkingthe first planeElbert EinsteinradiumIsaac Newtonthe theory of relativity2.Do you know how to prove a new idea in scientific research?Discuss in small groups the stages in setting out a new scientific idea.What order would you put them in?Draw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidence3.Do you know the features of infectious diseases?学习过程Step 1:Skimming1.Who was the great scientist in the passage and what was the deadly disease of its day?2.What happened in 1854?3.What can prove that cholera was severe?Step 2:Careful reading1.Read Paragraph 1 and then fill in the blanks.John Snow was an doctor in London who Queen Victoria as her personal .He thought about helping ordinary people to cholera.Though the cause and the of it were unknown,he wanted to face the and solve the problem.2.Read Paragraphs 2 & 3 and then answer the questions.(1)What were the two theories about the cause of cholera?(2)Which theory did John Snow want to prove?(3)What was his method of doing the research?3.Read Paragraph 4 and answer the questions.(1)Fill in the blank with a proper word.First he marked on a map the exact places /( ) all the dead people had lived.(2)Replace the sentence with one that has the same meaning from the text.It seemed that the water should be blamed.(3)Read Paragraph 5 and answer the following questions.Why did John Snow tell people to remove the handle from the pump?What happened after the handle was removed?(4)Read Paragraph 6 & 7 and answer the following questions.Where did the woman live and what had she delivered to her house every day?What did their deaths suggest?What measures did John Snow take to prevent the disease from spreading?Step 3:Summary1.Read the whole passage again and finish the exercise.A Scientific Report by John SnowThe problemThe causeIdea 1:Idea 2:The methodThe resultsIdea 1 or 2?Why?The conclusion2.Fill in the blanks.John Snow was a well-known in London in the 19th century.He wanted to find the of cholera in order to help people to cholera.In 1854 when a cholera out,he began to gather information.He on a map where all the dead people had lived and found that many people who had drunk the dirty water from the died.So he decided that the polluted water carried cholera.He suggested that the of all the water supplies be and new methods of with polluted water be found.Finally,“King Cholera” was defeated.课后作业1.Read the text again.2.Try to retell the text with only a few sentences.参考答案自主预习1.2.3.They can be spread to other people.They have an unknown cause.They are difficult to cure.They need public health care to solve them.学习过程Step 11.John Snow;cholera.2.Another outbreak of cholera hit London.3.That more than 500 people died in ten days.Step 21.expert,attended,physician,exposed,cure,challenge2.(1)The first suggested that cholera multiplied in the air.The second suggested that people absorbed this disease into their bodies with their meals.(2)The second one.(3)Gathering information in two particular streets.3.(1)where/in which(2)It seemed that the water was to blame.(3)So that it could not be used.The disease slowed down.(4)Away from Broad Street;water from the pump.The polluted water carried the virus.He suggested that the source of all the water supplies be examined.The water companies were instructed not to expose people to polluted water any more.Step 31.A Scientific Report by John SnowThe problemNobody knew the cause of the serious disease of choleraThe causeIdea 1:A cloud of dangerous gas found its victimsIdea 2:People absorbed the disease with mealsThe methodCollect information from the cholera outbreak to prove which theory was correctThe resultsHe found the cause of cholera was the polluted waterIdea 1 or 2?Why?Idea 2.Be