1、Unit4 Astronomy: the science of the starsI单元教学目标 技能目标GoalsTalk about the science of the stars, the development of life and space travel and gravity Practise giving instructionsPractise talking abut problems in study or lifeLearn to use Noun Clauses as the subjectLearn to write an essay to show your
2、problems and the way to overcome them.II. 目标语言词汇1 四会词汇astronomy, atmosphere, system, violent, solid, explode, carbon, dioxide, oxygen, surface, planet, harmful, development, spread, method, depend, exist, presence, telescope, disappoint, disappointed, publish, publishing, gravity, force, gradually,
3、cheer, float, mass2认读词汇astronomer, biochemistry, geophysics, solar, Big Bang, vapour, nitrogen, dissolve, amphibian, reptile, generally, mammal, global, comet, Issac Newton, Albert Einstein, Stephen Hawking, lessen, weightlessly, cabin, exhaust, exclaim3 词组solar system, in time, preventfrom, depend
4、on, cheer up, now that, get the hang of, break out语法Noun Clauses as the subjectNoun Clauses as the subject is also called the Subject Clause. That means a Noun Clause serves as Subject in the sentence. The words which are used in this Noun Clause are: that, whether, who, what, which, when, where, ho
5、w, why, etc.Example1. What it was to become was a mystery.2. It was not clear whether the solid shape was to last or not.重点句子1. What it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun. P252. Its exploded loudly with fire and rock, which were in ti
6、me to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earths atmosphere. P253. It allowed the earth to dissolve harmful gases, which had become part of the earths atmosphere, into the oceans and seas. P254. Whether life will continue on the earth fo
7、r millions of years to come will depend on whether this problem can be solved. P265. When we get closer to the moon, we shall feel its gravity pulling us but it will not be as strong a pull as the earths. P306. Walking does need a bit of practice now that gravity has changed. P317. We watched, amaze
8、d as fire broke out on the outside of the spaceship the earths gravity increased. P318. Seen from space, the earth appears to be a water ball.9. But the answers have always seemed well beyond our reach, until now.10. Huge questions remain to be answered, before we can hope to have a complete picture
9、 of the universe we live in.IV. 分课时教案The First Period Intensive Reading Teaching goals 教学目标1. Target language目标语言a重点词汇和短语 astronomy, atmosphere, system, violent, solid, explode, carbon, dioxide, oxygen, surface, planet, harmful, development, spread, method, depend, solar system, in time, preventfrom
10、, depend onb重点句子1.What it was to become was a mystery until the dust began to slowly combine into a ball moving around the sun. P252.Its exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earths
11、 atmosphere. 2. Ability goals a. Enable Ss to talk about the science of the stars, the development of life and space travel and b. Understand the text and answer the following questions:c. Enable the Ss to understand the details about the passage, choosing the correct answer d. Retell the passage us
12、ing key sentences.3. Learning ability goalsEnable Ss learn how to talk about the beginning of life on the earth.Teaching important points a. Talk about the beginning of life on the earth.Teaching difficult points教学难点a. Understand the beginning of life on the earth. b. Discuss the questions:What will
13、 our future be if the earth may become too hot for the lives on it?Why are humans the cleverest animals on the earth? Teaching methods教学方法a. Skimming and scanning b。Asking-and-answering activity to check the Ss understanding of the text.Teaching aids教具准备A recorder, a computer, a projectorTeaching pr
14、ocedures & ways教学过程与方式Step I PresentationStep IV Reading.ScanningGet the Ss to read the passage quickly and accurately and meanwhile help the Ss to form a good habit of reading. Step V Listeningin time (for sth./to do sth.): not lateShe will be back in time to prepare dinner. in / out of time: in/no
15、t in the correct timeThe audience clapped in time to the music.2. Nobody knew that it was going to be different from other planets going around the sun.be different from: not like someone or something else in one or more waysgoing around the sun is ing form that serves as attributive.Men breaking th
16、e law will be punished.Can you see the girl dancing with your boyfriend?3. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.4. Walking does need a bit of practice now that gravity has changed. Passage Analyzing I Text Chart .How
17、life began on the earthII Text RetellingRetell the text using about 100 words.Notes: Use the two questions and the chart to retell the passage;III Moral Education Teacher can guide the Ss to understand the text deep, making the Ss to have a scientific attitude towards science: the beginning of unive
18、rse。IV Writing Techniques1.Writing Characteristic1) Lead in the topic of how life began on the earth by beginning with two questions so as to arouse the readers strong curiosity and interest.2) The passage tells the readers the scientific idea in order of time. 2. Writing StyleThe text is common sci
19、ence writing, which tells the readers how the universe developed and how life began on the earth. 3. Main IdeaThrough the writers clear description, we know that how life began on the earth. Its a long and slow process. From the passage, we know that earth is the best place for human to live on. Ste
20、p VI HomeworkRetell the passage according to the form.Remember important language points.The Second Period Language study Teaching goals 教学目标1 Target language目标语言a重点词汇和短语 suffer, settle , realize , worry about , have got to, tie up b重点句子：He was very disappointed.What it was to become was a mystery.
21、To save money, you must use as few words as possible.c. Practise talking about problems in study or lifeMy problem isThe difficulty isMy trouble isThe question isMy advice isWhat I think about it isThe fact isMy suggestion is2 Ability goals 能力目标Learn to use Noun Clauses as the subject.3 Learning abi
22、lity goals 学能目标Let Ss learn how to use Noun Clauses as the subjectTeaching important points教学重点the use of Noun Clauses as the subjectTeaching difficult points教学难点 How to teach the Ss to learn to use Noun Clauses as the subjectTeaching methods教学方法Learn grammar through practiceTeaching aids教具准备A proje
23、ctorA blackboardTeaching procedures & ways教学过程与方式Step I Revision 1. Check retelling of the passage.The explosion of the earth produced water vapor, which turned into water when the earth cooled down. Water allowed the earth to dissolve harmful gases into the oceans and seas. Translate the following
24、sentences.Suggested answers:1. Youll succeed in time.My car is different from yours.Who is the person standing by the door?2. Hes always the first to come and the last to leave.Now that you have grown up you can decide it yourself.Step II Word studyThis part is a consolidation of the words learnt in
25、 this unit. Ask the Ss to do the exercise independently.Key to the exercises:Part1 Across: 2.float 5.mass 6.presence 8.carbon 9.mobileDown: 1.planet 2.force 3.astronomy 4.explore 7.circlePart2 1.energetic 2.surface 3.depends on 4.gradually 5.exists 6.preventfrom 7.spread 8.are multiplying 9.Now that
26、6. Part3 can be homework if time is limited.Step III PreparationShow some example sentences on the screen.1 A tree has fallen across the road.2 You are a student.3 To find your way can be a problem.4 Smoking is bad for you.5 “How do you do?” is a greeting.6 What she said is not yet known.7 That we s
27、hall be late is certain.8 Its certain that we shall be late. Step IV Grammar1.Give them some time to find the sentences in the passage. Then collect answers from the class.Show the answers:1. Because it was not clear whether the solid shape was to last or not.2. What scientists think is that the ear
28、th was different because of 3. Whether life will continue on the earth for millions of years to come will depend on 2.Show typical examples of how to make a Subject Clause. Guide the Ss to find out what changes we have to make when we make a sentence or combine two sentences using Subject Clause. Te
29、achers show the example and Ss write down the sentences.Show the answers:How fish developed from early shellfish is well-known.What reptiles look like and how large they are is strange. The extinction of dinosaur is a mystery.The importance of early plants was not known to scientists.3.T: Turn to Pa
30、ge64. Read the following passage quickly and finish the eight sentences.Check the answer: 1.what 2.what 3.why 4.what 5.where 6.when 7.how 8.what4.Have a discussion in pairs. The topic is “My Problem”. One talks about problems in his study or life, the other gives some advice. Remind the students to
31、use the following structures:Step V Homework1. Finish Part3 (P29)2. Finish Part3 (P64)The Third Period ListeningTeaching 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 lin
32、es 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
33、 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 ,
34、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 recor
35、derTeaching procedures & ways教学过程与方式Step I. RevisionCheck homework exercise.Part3 (P29): 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, wa
36、rs 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 le
37、ssen 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.Step III Listening (WB P62)1.Part1.T: Whos
38、 Yang Liwei?S1: Hes our hero who traveled into space on October15,2003.2.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.3.Part3.First ask Ss to talk about the answer. If nec
39、essary 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. 2.The answer can be different.Step IV Listening Task (P65)T: Do you want to have a space walk?S: Yes, of course.Key to Part2: 1.oxygen can (on the back) 2
40、.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 s
41、um up what you have learnt from them. For the homework, think about a question: What needs to be an astronaut?The Fourth Period Extensive Reading Teaching goals 教学目标1 Target language目标语言a. 重点词汇和短语force, gradually, float, mass, cheer up, now that, break outb.重点句子： When we get closer to the moon, we s
42、hall feel its gravity pulling us but it will not be as strong a pull as the earths. P30Walking does need a bit of practice now that gravity has changed. P31We watched, amazed as fire broke out on the outside of the spaceship the earths gravity increased. P312 Ability goals 能力目标a Discuss the three wa
43、ys in which gravity changed on the moon. and some information about black holes.b. Discuss the questions about the passage: How did gravity change on the moon? What does a black hole look like? What will happen if an object is near the black hole?Teach the Ss to read passages with feeling.3 Learning
44、 ability goals 学能目标Enable the Ss to get to know about gravity and black holes.Teaching important points教学重点Talk about gravity and black holes.Teaching difficult points教学难点a. Discuss the answers to the questionsb. Teach the Ss to read the passage with feeling, paying attention to pronunciation and in
45、tonation.Teaching methods教学方法a. Fast readingb. Dealing with comprehension questionsc. Discussion Teaching aids教具准备A projector, a computer, a recorder Teaching procedures & ways教学过程与方式Step I RevisionCheck homework T: Last class we have learned different ideas about gravity, what quality an astronaut
46、should have and some equipment on a spacesuit. Now answer the question: What needs to be an astronaut?S: An astronaut should have good health, excellent degree, many years training, right height and weight. They also should be calm, firm, patient, mature and hard-working. They must be able to adapt
47、to the harshness of life in space. Step II Reading (Page30)1.Ask the students to read the passage quickly and fill in the form. Then check the answer.T: In last lesson, we have learned some information about gravity. Today well know gravity in details. Read the passage and fill in the form.2.Listen to the tape and imitate he tape. Then practice reading aloud the dialogue with feeling.3.Ask two or three pairs of Ss to read the passage with feeling.Step III Reading Task (Page66)This reading passage is about black holes. After the first reading, let the Ss answer some questions. Show the questio
