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111Unit 4 Astronomy: the science of the starsTeaching goals 教学目标1 Target language目标语言a重点词汇和短语 gravity, by chanceb重点句子I heard about how the idea of gravity has developed over a long period of time.Pick out the information and draw lines from the list to where the things are on the suit of the astronaut.2 Ability goals 能力目标Enable the Ss to understand the different ideas about gravity.Enable the Ss to have a good understanding of the force of gravity in order to enjoy the stories fully and to become more involved and excited about studying space and the stars.3. Learning ability goals 学能目标Enable the Ss to appreciate that the science fiction stories are imaginary but based on fact.Teaching important points教学重点Listen to the material about the detailed information about different scientists and their ideas. Complete the form , make True or False judgement and answer questions.Teaching difficult points教学难点 Discuss with partners and have a debate to find out ways to solve the problems about what a spacesuit should be like.Teaching methods教学方法a. Discussionb. Listeningc Cooperative learningd. Debating Teaching aids教具准备A recorderTeaching procedures & ways教学过程与方式Step I. RevisionCheck homework exercise.Part3 (P29): The fact isthat I dont know who he is.whether hell come or not.that many people dont know how far Beijing is from Reading, England.Your difficulty isthat you dont have enough money.that you dont know how to grow apple trees.My problem isthat I dont know his address.how long the journey would take us.The question isthat the snow is too heavy.where you can find a restaurant.The trouble ishow to get there in time.Whether you can find a taxi in such a cold day.Part3 (P64):1. With the development of science and technology, people have come to depend more and more on the computer to deal with all kinds of things.2. Now that many problems exist which cannot be solved, wars will probably break out.3. He gradually got the hang of this method of research after many years practice.4. The presence of that famous director cheered up all the people at the meeting.5. We should find some ways to prevent the harmful gas from spreading.6. He is already exhausted. We should lessen his pain instead of disappointing him.Step II. Listening (Using language)1.The Ss will hear different ideas about gravity of three scientists, and then fill in the blanks.T: Have you heard of Isaac Newton? How much do you know about him?S1: Hes English.S2: He set up an idea which is called “gravity”.T: Whats his idea about?S3: Gravity made everything fall back to the earth.T: Have you heard of Albert Einstein?S4: Yes. Hes a Jew. And hes famous for his Theory of Relativity.T: How much do you know Stephen Hawking?S5: Sorry, not very much. I know him just from the passage on Page64,Workbook.T: It doesnt matter if you dont know them much. Today well get more information about them. Turn to Page30. Go through Part1 quickly.2.Listen to the tape three or four times and pause where its necessary. Then check the answers with the whole class.T: Are you ready? Lets listen for the first time. Please pay attention to the date.(Play the tape.)T: Have you got the answers?S1: Yes. Isaac Newton lived from 1642 to 1727. Albert Einstein lived from 1879 to 1955. Stephen Hawking was born in 1942.T: Lets listen to the tape again. Please pay attention to the idea.(Play the tape again.)T: Have you got the answers?S2: Yes. Isaac Newton: Everything falls back to the earth because of a pull called gravity.S3: Albert Einstein: Gravity is different in space.S4: Stephen Hawking: Black holes would eat stars and they may also push stars out into space.T: Excellent answers! Have you got other information? Or, What was their gravity about?S5: Newtons gravity is about earth.S6: Einsteins idea about gravity was about universe.S7: Hawkings idea was about black holes.T: I think weve solved this problem. Now read four sentences in Part2, decide which the best idea is. If you are not sure, we will listen to the tape for the last time.(After play the tape.)T: Which one is the best? S8: No.3.T: Why No.3? Whats wrong with the other three?S9: Our listening passage didnt mention how three men made mistakes. It only mentioned that other scientists found they made mistakes. So No.1 is not correct.S10: No.2 is not true because the three scientists wanted to explain how the universe worked and not how it began.S11: No.4 is too general and it doesnt give enough details.T: Your explanations are enough. So we choose No.3. Then turn to Page62, Listening.Step III Listening (WB P62)1.Part1.T: Whos Yang Liwei?S1: Hes our hero who traveled into space on October15,2003.T: Whats the name of the spaceship?S2: Shenzhou V.T: Do you know what education and experience you need to become an astronaut?S3: No.T: OK. Now well listen to a conversation between Yang Liwei and a reporter. First, go through the six sentences in Part1. Now listen to the tape.(After listening)T: Have you got that? Now read the sentences and tell us True or False. If its not true, correct it.Ask students to read them and check the answers with the whole class.Answers: FFTTTT2.Part2.T: Now focus your attention on Part2. Then well listen to the tape again.Play the tape and pause when the students need to write information down. Then collect answers.Information on Yang LiweiThe exams he passedExcellent degree and 10 years trainingExperiencePilot for the air force of the PLAPhysical qualitiesSmaller than 170cm, less than 70kgPersonal qualitiesCalm, mature, hard-working3.Part3.First ask Ss to talk about the answer. If necessary play the tape again for Ss to check the answer.Answers: 1.Theres a special seat to throw him out of the space rocket if things went wrong. There are also a special door for another space rocket to rescue him 2.The answer can be different.Step IV Listening Task (P65)T: Do you want to have a space walk?S: Yes, of course.T: But you know its dangerous, and it needs a great deal of practice. You should also wear a spacesuit. The spacesuit needs some equipment. Do you know each part of the equipment?S: Were not clear.T: Now listen to the tape. Then youll get it.Play the tape twice or three times to finish Part1 and 2.Key to Part1: CKey to Part2: 1.oxygen can (on the back) 2.water system (the part of the suit covering the body) 3.gravity boots (on the feet) 4.left engine (on the left side) 5.right engine (on the right side) 6.tool kit (on the waist, at the back)Step V Homework Today we have listened to three materials. After class, you should listen to them again and sum up what you have learnt from them. For the homework, think about a question: What needs to be an astronaut?111
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