Unit-1-Great-Scientists教学设计[共4页]

1、Unit 1 Great Scientists教学设计教学目标目标设置1. Knowledge and ability (1) To learn about the seven stages of a scientific report. (2) To grasp the main idea of the passage and each paragraph. (3) To develop the students reading ability. (4) To improve students language expression ability.2. Emotional target T

2、o learn from the great scientists and develop the noble spirits .3. Evaluation (评价) To see how well youve learned the passage and how you have performed in this class.教学方式和教学手段Communicative approach; AudioVisual approach; Group work; Multi-media板书设计 Great Scientists教学重点和难点学习重点1. To train the reading

3、 skills of skimming, scanning, careful reading;2To master the details of the passage and appreciate the spirits of the scientists.教学难点：1To get the detailed information by reading and learn to deal with it. 2To develop the students ability of grasping the main idea.教学过程教学阶段教师活动学生活动设计意图Lead-inT: Two w

4、eeks ago, I got a bad cold. I had a sore throat and I couldnt speak. I also found many of you went home because of it. Right? So do you think catching a bad cold is a terrible thing? But I have to say were really lucky. Have you ever heard of Cholera? Lets look at some pictures. Dont be scared. .Cho

5、lera is terrifying, but it was defeated by a scientist-John Snow.Students answer the teachers questions.以近来学校师生普遍遭遇的病毒性流感导入,更为直观亲切,并能引起学生的兴趣与好奇,为课文学习做铺垫。Pre-reading Now read the short passage to learn more about the terrifying Cholera . Look through the short passage quickly.通过浏览背景材料进一步激起学生的学习兴趣并为课文

6、学习做准备。While-readingStep 1 Fast-reading(1) Whats the main idea of the passage?A. John Snow was a well-known doctor in London.B. The cause of cholera was polluted water.C. The source of all drinking water should be examined.D. How did John Snow collect, analyze the information, find the cause of the d

7、isease and solve it .(2)The passage is written in the form of a scientific report. Read the passage quickly and use the seven stages in examining a new scientific idea to describe each paragraph: Draw a conclusion(得出结论)Think of a method(找出研究方法)Collect results(收集材料)Make up a question(形成研究主题)Find a pr

8、oblem(发现问题)Analyse results(分析材料)Find supporting evidence(找出支持观点的证据) Students read the text quickly and find out the main idea of the passage and each paragraph.Answers:Para1:Find a problemPara2: Make up a questionPara3: Think of a methodPara4: Collect resultsPara5: Analyze the resultsPara6: Find sup

9、porting evidencePara7: Draw a conclusion学生通过表层阅读了解文章的文体,抓住文章主题和段落大意,检验学生快速阅读并获取信息的能力。While-readingStep 2: Careful reading Para 1 Find a problem 1.What is the problem?2. How to control cholera, in John Snows opinion?Para 2 Make up a questionHe put forward_ theories explaining the cause of choleraIdea

10、 1 Cholera was spread by_in the air to attack people.Idea 2 People_ it with their meals.Para 3 Think of a method Read the 3th Para and try to catch the main idea of this paragraph. Para 4-5 Collect and analyze the results1. Where were many of the deaths in Broad Street?2. What did Dr. Snow think was

11、 responsible for the disease?3. The water came from _.A.the river that had been dirtied by people from LondonB.the lake that had been polluted by local peopleC.the river that had been dirtied by water from LondonD.the lake that had been polluted by water from LondonPara 6-7(1)Find supporting evidenc

12、e: A woman and her daughter who had _from Broad Street also died after_. (2)Draw a conclusion with certainty:_(3)To prevent the cholera from spreading again, what did John Snow do?Students read each paragraph carefully again and try to get the answer from the text by themselves.Then the students wil

13、l discuss their answers with group-mates and check the answers from the screen. Point out the problems for the while class to discuss if any.学生通过逐段阅读课文,从各段中获取相关信息,并利用这些信息完成一些练习。提高学生获取信息和处理信息的能力以及自主学习能力。以分组的形式讨论答案可以培养学生学习能动性和团队意识。Step 3 ConsolidationFill in the blanks from memory. John Snow was a wel

14、l-known _ in London in the 19th century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ , he began to gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that t

15、he polluted water carried cholera. He suggested that the _ of all water supplies be _ and the water companies were_ not to _ people _ polluted water any more. Finally “King Cholera” was _. First, the students fill in the blanks from memory . Then, the students check the answers by themselves. Last,

16、the whole class read the whole passage together.根据记忆填空并通过浏览文章自我检查,最后齐声朗读文章可加深学生对课文的理解,抓住课文的重点细节,给学生提高自助、自悟的机会,并培养学生的发散思维的综合语言运用能力。DiscussionShow the topic for discussion: (1) What spirit can we find in John Snow? (2)As a student, what should we learn from him?Students may get these words: intelligen

17、t, creative,talented, strict, patient, determined, positive, hard-working, confident, ambitious.通过讨论约翰斯诺的精神,学生形成积极的情感态度,从而能在生活中勇敢面对任何挫折,不被困难打倒,在学习和工作中能主动探索积极进取。Summary&self-evaluation Ask some students to tell what they learn from this lesson and evaluate their own performance. Excellent（优） Good （良）

18、 Just so-so（一般） How many stars can you get?Students summarize what they have learned in this lesson and grade their performance.通过对学习内容归纳总结确认学生的学习效果,锻炼学习的总结归纳能力；自我评价具有鼓励督促的双重效果。HomeworkSurf the internet to find out: What should we pay attention to in our daily life to prevent ourselves from getting infected with all these infectious diseases?培养学生的发散思维能力,查找信息的能力以及提高个人的自我保护意识。设计思路文章虽然较长并分了七个段落,但整体脉络清晰,完全按照科学报告七个步骤进行：发现问题形成研究主题找出研究方法收集