Unit 1 Great scientists 教案2.doc

Unit 1 Great scientists教案2(COPERNICUSS REVOLUTIONARY THEORY )IntroductionYou are advised to lead in by talking about Copernicus theory. Then help students with their reading of COPERNICUSS REVOLUTIONARY THEORY. Translation of the text into Chinese is proposed. ObjectivesTo help students make use of what they learned in this unit in communicationTo help students use the language by reading, listening, speaking and writing ProceduresStep I Pre-reading1. Talk about the center of the solar system.“Do you know what the center of the solar system is?” Ask the students to look at the pictures on pages 7. And remind them of the common knowledge of “Sun-Centered Theory”.2. Talk about Copernicus.We know the first scientist is Copernicus. He was one of the first scientists to use mathematical observations to collect information. He believed the sun is the center of the universe and the earth and other planets went around it. Step II Reading1. Read through the passage, and tell whether the following statements are true or false. (1) At Copernicus time, Christian Church was in charge of many western countries. (T)(2) Copernicus noticed that observed from the earth, some planets appear in front of or behind the earth.(F)(3) Copernicus didnt show his new theory to his friends until he completed it.(T)(4) His friends were not interested in his ideas.(F)(5) Since he was not afraid of being attacked by the Church, Copernicus published his book as soon as he finished working on it. (F)(6) Newton, Einstein, and Hawking are all scientists who made contribution to the study of the universe. (T)2. Read carefully and try to draw the two theories of the universe. This time the students are encouraged to read the passage carefully and then do the exercises and problems on pages 7. Encourage the students to fulfill them quickly and correctly. And check the answers together. Before Copernicus theoryShowing Copernicus theoryA diagram showing the solar system with the Earth at its centreA diagram showing the solar system with the Sun at its centreStep III language pointsStep IV Listening1. T: We are to listen to the material, which is about Qian Xuesen in the first listening. Yu Ping is telling her friend Steve Smith about Qian Xuesens life. If you were Yu Ping, what topics would you like to cover when introducing him?S: The date when he was born and he died; the place where he was born, lived, studied and died; his family; his experience; his achievements; his contributionsT: Excellent. When we talk about and introduce a scientist, we usually describe these aspects. Now, listen carefully and tick out which topics are mentioned in the tape. (After listening, let them check the answers. )2. Second ListeningT: This time. Youll write down the answers to the five questions. Boys and girls, how can we write the answers fast and correctly?S: We should go through the questions first and keep them in mind. When we are listening, we just need to pay much attention to the sentences related to the answers. S: We neednt write down each word of the answers. We just write down some key words. Later we can write down the complete answers with the help of these key words. T: You are clever. Now please get ready. First, look through the introduction to the listening material. Then, scan the questions. (Two minutes later, the teacher plays the tape. Then give Ss time to organize their sentences. )T: Lets check the answers one by one. (If the students make some common mistakes or they seem to have difficulty in finding out answers, teachers can give them some hints and let them listen to it again. After that, check the answers. If the students feel it difficult to make sense about the key words and understand the speakers intention and attitude, the teacher should give them some help. )3. Post-listeningT: After listening, would you please answer some questions?1 What did you hear on the tape?2 What can you learn from Qian Xuesen?(At this part the teacher may have the students present what they have heard on the tape and show their own opinion about what they have learned from him. If possible, the teacher may have some of the students do the presentation work in class. By doing this, the students can full understand of what the tape is talking about. )Step V Speaking1. Lead-inT: Boys and girls, from the listening material, we know about some scientists. Do you have a dream to be a scientist in the future?Ss: Yes. /No. T: Suppose you would like to work as a scientist, and you are discussing with your partner about your future job. What questions would you like to concern?S1: What job do you want to do?S2: How will you get the job?S3: What preparations will you make for the future job?T: Right. Apart from those, we can also talk about the following questions: 1 What education will you need?2 What personality will be needed?3 What work experience would be useful?4 How long will the training take?5 How will you prepare for this career?T: These expressions may help you: I always wanted to. . . because. . . The experience I will need is. . . I might find it difficult to. . . I need to practice. . . My greatest problem will be to. . . I will need to be/become. . . patient, creative, hard-working, co-operative, confident, brave, positive, pleasant, polite, determined, energetic, strict with. . . 2 Dialogue (pair work)T: Now it is time to discuss what scientific job each of you would like to choose in the future with the help of the mentioned questions and expressions in pairs. I will give you five minutes to prepare for it. After that I will let some of pairs to come to act it out. Sample: A: What job do you want to do in the future?B: I always want to be a botanist. A: If you want to be a scientist, what education will you need?B: I will try my best to go to a key university to learn and study botany. A: What work experience would be useful?B: The experience I will need is to study wild plants in the wild when I am at school. Now, I join the social natural club organized by our school. Every time I make every effort to overcome difficulty to study plants in the wild. A: Do you know what personality will be needed if you want to be a scientist in the future? B: I will need to be patient, creative, hard-working, brave, energetic and co-operative. A: Yes, I agree with you. Besides those personalities, we also should be determined, confident and positive. B: I will make efforts to own such good quality. A: How will you prepare for this career?B: I intend to go to college next year and then I will have a chance to be a scientist. But my greatest problem will be whether I will be able to go to university in the future. A: Dont worry about it and just get down to preparing for it. Good chances always belong to the persons who have already prepared for them. I am sure you will succeed if you keep working hard. I am waiting for your good news. B: Thank you for your encouragement. I will make full use of time to struggle for success. 3 Free-talkT: Let us talk freely. You are allowed to move about to find a student youd like to talk with. Imagine you are going to meet a specialist about a newly-found flower. Your partner will be the assistant for the flower specialist. You both need a description of the other so you can recognize each other when you meet. Now ring the assistant to sort out the necessary information. (Of course, following the above, the students may gather around or move around to find their own favorite partners to ta