英语优秀教案人教版必修五Unit 1 Great scientists Period 3.docx

1、英语优秀教案人教版必修五Unit 1 Great scientists Period 3Period 3Listening and SpeakingThe General Idea of This PeriodThis is the third period of this unit. At the beginning of this period, the teacher should (can) design some exercises to review what the students learned in the last period, that is to say, go o

2、ver what the students learned about that John Snow defeats“King Cholera”. The teacher can begin with asking some questions or having a competition to make some sentences with“John Snow”according to the passage. During this period, listening and speaking will be mainly dealt with. At the beginning, t

3、eachers focus on training the Ss listening. This listening content is about the importance of Qian Xuesen for space travel in China, the contributions made by a botanist named Carl Linnaeus and the research into the life and work of a mathematician called Leonhard Euler. When training the Ss listeni

4、ng ability, teachers should start with pre-listening, that is, lead-in. If it is necessary, teachers had better introduce some background knowledge about the listening material. Later, let the Ss listen to it. At the same time, teachers should design some simple questions. After that, the Ss have kn

5、own about the listening material, and then teachers can ask them to listen to it again to be ready for more difficult questions. If necessary, the Ss can be given another time to listen. While practicing, teachers had better offer students some advice on how to do it well. Especially, train the stud

6、ents to predict what to be talked about according to the hints and limited information and let them form the good listening habit of listening with the purpose of finding useful information and to summarize. Certainly, suppose there are many new words and expressions, teachers should help them to de

7、al with them at the first place. All the listening practice should focus on developing the students listening skill. After practicing listening, the Ss are expected to learn some expressions about talking about scientific job as well as scientists achievements and recount stories. Besides those, the

8、 students are expected to learn the skill of describing a person. During the course, teachers should rank class activities from the easy to the difficult. First, ask them to learn the expressions. Then, ask them to imitate it to have a dialogue. Finally, the students are expected to create a dialogu

9、e or discuss the given topic. In order to draw students attention, the teacher had better prepare for some interesting situations. This period centers on emphasis on speaking and listening. The teacher should try his or her best to encourage the students to say something. Dont always correct the mis

10、takes that the students would make while speaking. Otherwise, the students would feel reluctant to speak out their opinions. Teaching Important PointsTrain the students speaking ability by describing, talking and discussing. Help the students improve their listening ability. Teaching DifficultiesTra

11、in the students listening ability. Especially listen and understand what the speakers mean beyond words. Teaching Aids a tape recorder, a projector and the blackboardThree Dimensional Teaching AimsKnowledge aims: Let the Ss know about some scientists and their life and contributions. Get the Ss to l

12、earn how to talk about scientific work and how to describe a person. Ability Aims: Train the students speaking ability by describing, talking and discussing. Train the students listening ability. Emotional Aims: Train the studentsability to cooperate with others. Encourage the students to learn from

13、 scientists to show interest in scientific exploration and research. Teaching ProcedureStep 1 GreetingT: Hello, boys and girls. Ss: Hello, Miss Wang. Step 2 Revision T: Today we will begin our lesson with a competition between groups. In the last period, we learnt about John Snow who defeats“King Ch

14、olera”. Now, please say something that you know about it. If you offer a complete sentence, you will be given ten marks. Your group will be given twenty marks when your expression is especially beautiful. S: John Snow was a well-known doctor in London, who attended Queen Victoria to ease the birth o

15、f her babies. S: He became inspired when he thought about helping ordinary people exposed to cholera, which was the deadly disease of his day. S: John Snow got interested in two theories explaining how cholera killed people. S: He believed in the second theory that is people absorbed this disease in

16、to their bodies with their meals. From the stomach the disease attacked the body quickly and soon the affected person was dead. Ss: . . . (The teacher should encourage more students to join in the competition. At the end of the competition, the teacher should announce the result of this competition.

17、 Praise the winner and encourage the losers. )T: What can we learn from John Show?S: We should base our theories on practice. S: We are inspired to have a spirit of scientific exploration. S: We do some research with the purpose of serving the people and society. Ss: . . . T: Yes, we can learn a lot

18、 from the scientist. In fact, there are a great number of people working on science worthy of being learned both at home and abroad. Can you name some scientists and introduce their main contributions?S: Archimedes, who discovered that objects in water are lifted up by a force that helps them float.

19、S: Darwin wrote a book explaining how animals and plants developed as the environment changed. S: Madam Curie discovered radium. S: Stephen Hawking put forward a theory about black holes. S: Zhang heng invented the earliest instrument to tell people where earthquakes happened.Ss: . . . T: You did a

20、good job and listed many scientists as well as their contributions. Today, we are going to learn about more scientists. Step 3 Listening (on Pages 5-6)Task 1 Pre-listening T: First lets enjoy the picture. What can you see?S: President Jiang Zemin and an old man. T: President Jiang Zemin visited Qian

21、 Xuesen. T: What have you already known about Qian Xuesen?S: He is a Chinese scientist, whose research mainly centers on Physics. S: He is honored as“Chinese Rocket Father”. S: He has made great contributions to space travel in China. T: Good. You seem to have a good knowledge of him. Qian Xuesen is

22、 a famous scientist who has contributed much to the countrys cause of science and technology. Task 2 First Listening T: We are to listen to the material, which is about Qian Xuesen. Yu Ping is telling her friend Steve Smith about Qian Xuesens life. If you were Yu Ping, what topics would you like to

23、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 an

24、d tick out which topics are mentioned in the tape. (After listening, let them check the answers. )Task 3 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 k

25、eep 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.

26、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 see

27、m 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 hel

28、p. )Task 4 Post-listening T: 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

29、from him. If possible, the teacher may have some of the students do the presentation work in class. By doing this, the students can get full understanding of what the tape is talking about. )Step 4 Listening (Page 41) Task 1 Pre-listening T: Just now we learned about a Chinese scientist, Qian Xuesen

30、, who has made great contributions on space travel in China. We will get to know another scientist, whose contribution is on botany. Can you guess who he is?S: Carl Linnaeus, maybe Darwin. T: You are right. Both scientists did study botany and devoted their time to the research. As we know, Carl Lin

31、naeus developed his system about how to classify species. While Darwin wrote a book on the Original of Species, in which he explained how animals and plants developed as the environment changed. The following is about Carl Linnaeus. T: Now, read the instructions about the listening and choose which

32、of the following statements mist closely describes what this listening passage is about. Explain why the others are wrong. S: I think the third one is right. This is about a man who finds a flower and wants to know if it is a new species of flower. Because he is interested in biology and especially in the study of plants. What he wants to do is to study whether it is a new species. The other two statements can not convey the study. Task 2 Liste