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Unit 4 Amazing Science Topic 1 Section D（教學設計）
Ⅰ. Material analysis
本課主活動是1a和Project。1a 通過介紹古今人們如何定位來繼續學習一般過去時的被動語態，同時讓學生初步接觸并理解現在完成時的被動語態和含情態動詞的被動語態。語法和功能部分則讓學生通過填空來歸納總結過去時的被動語態和一些常用的功能句。Project部分則體現了“在做中學”的理念。讓學生用英語來介紹自己的發明，無疑會鞏固本話題的語言知識并進一步培養和提高學生“用英語做事情”的能力。
Ⅱ. Teaching aims
1. Knowledge aims：
掌握本課的重點詞匯和短語，歸納總結一般過去時的被動語態。
2. Skill aims:
能夠理解其他形式的被動語態。如: 現在完成時的被動語態和情態動詞的被動語態。
能夠在聽、說、讀、寫活動中正確地運用被動語態。
Ⅲ. The key points and difficult points
1. Key points:
Words and phrases: mark, explorer, system, man-made, find out, as long as, be used to do sth.
Sentences: This method worked well at night as long as the weather was good and the stars could be seen.
Today, the problem has been solved by the Global Positioning System.
It can also be used to study the shape of the earth.
Grammar: was/were +pp
2. Difficult points：
The GPS is a great invention that helps us explore our planet and discover where we are.
Ⅳ. Learning strategies
通過語法和功能部分的歸納總結來內化所學的語言知識。
通過參與討論1a的問題來感知、預測文章大意。
通過Project的設計活動，介紹自己的發明來提高口頭表達能力。
Ⅴ. Teaching aids
指南針/小黑板/ppt等。
Ⅵ. Teaching procedures
Stage(time period) Interactionpatterns Teacher activity Student activity Remarks
1 Revision (12mins) Individual workClass activityGroup work Step1: Let the Ss complete Grammar and Functions and check the answers.T: Boys and girls, let’s begin our class with some exercises. Please complete the blanks in Grammar and Functions. When you finish, raise your hand.T: I am going to check the answers. You had better answer in full sentences. xxx, would you like to answer the first one T: Great! How about the second one Step2: Let the Ss sum up the usage of passive voice.T: You all did very well just now. Next, let’s sum up the passive voice. What kind of passive voice did we learn first T: Could you tell me how to use it T: Superb! What was the second T: How about the structure Step3: Write down some Chinese sentences on the Bb or on the screen. Let the Ss put the sentences into English alone and then check the answers in groups. Let the group leaders collect all the mistakes.T: Now, look at these sentences and put them into English alone. Check the answers in groups. The group leaders should collect the mistakes in your group. When you finish, raise your hand.Example:1.這種火箭是由中國在二十世紀七十年代制造的。2.我的自行車昨天被盜了。3.第一部手機是由馬丁·庫伯（Martin.Cooper）發明的。4.這條毛巾是用竹子做的。5.X光機被用來診斷疾病。T: Now, let’s check. Group 1, what are the mistakes in your group T: Who can solve this problem T: Good explanation! How about you, Group 2 Complete Grammar and Functions and check the answers.S1: Yes. The radio was invented by Guglielmo Marconi in 1895.S2: When was the digital camera developed It was developed in the 1970s.S3: Where was it developed It was developed in Japan.S4:…Sum up the usage of passive voice.Ss: 一般現在時態的被動語態。Ss: am/is/are+ppSs:一般過去時態的被動語態。Ss: was/were+ppPut the sentences into English alone and then check the answers in groups.S1:xxx has difficulties in choosing present passive or past passive.S2:通過觀察時間標志詞來確定。如第1，第2題都有時間標志詞。第3、4、5題雖然沒有明顯的時間標志詞，但是我們可以通過常識判斷。S3:…
2 Pre-reading (3mins) Class activity Step1: Present a compass. Ask and answer questions. Move to 1a.T: What is it T: Yes. It’s a compass. When was it invented, do you know T: Who invented it T: What is it used for T: Yes, you are right. Today, we’ll learn how people know the directions. Step2: Let the Ss read the questions on page 88. Learn the new word explorer.T: Now, before reading the passage, you had better read the questions on page 88. You can learn the word “explorer” by word formation “explore (v)+er=explorer(n)”. Answer questions.Ss:指南針。Ss:北宋。S1: It’s said that Emperor Huang invented it. S2: It’s used for giving directions.Read the questions on page 88. Learn the new word explorer.
3 While-reading (8mins) Individual workGroup work Step 1: Let the Ss read 1a and find the answers to Question1, 2 and 3.T: Now, read 1a and find out the answers to Question1, 2 and 3. When you finish, raise your hand.T: I think we should check the answers now. xxx, could you please answer Question 1 T: Wonderful! Question 2, who T: What is a GPS, who knows Step2: Let the Ss discuss what the GPS will be used for in the future.T: We know GPS is useful to us. What is it used for now T: Oh, you have good knowledge of GPS. Now, please discuss what the GPS will be used for in the future.T: Have you finished discussing T: Which group wants to be the first T: Smart idea. But how do you make it come true T: Other groups T:… Read 1a and find the answers to Question1, 2 and 3.S: The early explorer used the stars to know where they were.S2: In bad weather, people couldn’t see the stars, so this method didn’t work.S3: GPS is like a man-made star. It’s very useful to us. People can use it to find out their position.Discuss what the GPS will be used for in the future.S1: It’s used for transportation.S2: It’s used for sending satellites.S3: It’s used for planes.S4:…Ss: Yes.S1: We can use it to find the missing old people or children.S1: We can put it in the pocket or in the shoes.S2:..S3:..
4 Post-reading (10mins) Group work Let the Ss read 1a again and find out the new words, the difficult points and key points in groups.T: Now, read 1a again. Find out the new words, the difficult points and key points in groups.T: First, let’s solve the new words. What does “guiding marks” mean T: Sounds good! How about “man-made” T: And “system” T: Second, what are the difficult points, Group 2 T: Good question! It’s a kind of passive voice. The structure is “modal verb+ be+pp”.T: What else T: Another good question. It’s a new grammar. We’ll learn it later. It’s called attributive clauses. We can change the word “that” into “and the invention”.T: Have you found any useful expressions Read 1a again and find out the new words, the difficult points and key points in groups.S1:指路標志。S2:指引標志。Ss:人造的。Ss:系統。S3: What does “the stars could be seen” mean in Para 1 S4: How do we understand the last sentence in Para 2 S5: guiding marks, as long asS6: at any time, in any place, in any weather, find out 老師在解釋含情態動詞的被動語態時，最好用漢語，言簡意賅。不要講太多，點明即可。對于本課的定語從句，不要重點講，讓學生知道這種語法現象就行了。最好用漢語解釋。
5 FinishingProject(10mins) Group workIndividual workIndividual workGroup work Step 1：Let the Ss discuss Kangkang’s invention.T: Look at Kangkang’s invention. Discuss in groups and then express your opinions about it.T: Which group is ready to share your opinion T: I’m very happy that you all have your own ideas.Step 2: Let the Ss take out their HMK in Section C, draw a picture of their inventions and make a card as Kangkang’s.T: Now, take out your HMK in Section C. Draw a picture of your invention and make a card as Kangkang’s.Step3: Let the Ss take their inventions to the front and describe it to the class.T: Who would like to share your invention with your classmates T: Wonderful invention! Someone else Step 4: Let the Ss discuss in groups to decide which invention is the most useful/interesting/funny one.T: Now, discuss quickly and decide which is the most useful/interesting/funny invention.T: Whose is the most useful invention, class T: The most interesting invention T:..T: I hope you will work harder from now on. I wish you all success. Discuss Kangkang’s invention.S1: We think it is a great invention. There will be less traffic jam and traffic accidents.S2: We think there may be more traffic accidents, because there will be too many cars flying in the sky.S3:…Draw a picture of their inventions and make a card as Kangkang’s.Take their inventions to the front and describe it to the class.S1: My invention is Magic Pen. It looks like the pen we are using. It’s made of metal and plastic. But it can speak. It is the best “teacher” in the world. It has a brain. It knows all the subject we are learning. Whenever you have problems, you can just press “Help” and it will tell you what to do.S2: My invention is …Discuss in groups to decide which invention is the most useful/interesting/ funny one.Ss: xxx’sSs: xxx’sSs:…
9 Summarizing and assigninghomework (2mins) HMK:Let the Ss sum up the key points and write them down on the exercise book.T: We have finished this topic. After class, I hope you will sum up all the key points and write them down on your exercise book.
Ⅶ. Blackboard design
When was it invented Section D
Words and phrases:explore+er =explorerman+made=man-madeguiding markssystemas long as Grammar:passive voiceam/is/are+ppwas/were+ppmodal verb+be+pphas/have+been+pp Sentences:…and the stars could be seen.Today, the problem has been solved by…It can also be used to study the shape of the earth.
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