1、U4T1SA1Unit 4 Amazing ScienceTopic 1 When was it invented?Section A. Material analysis本课是九年级第四单元第一话题的第一课时。主活动是 1a 和 2。1a 通过 Kangkang 和 Jane 谈论火箭模型，引入本课的语法：一般过去时的被动语态。1b 是检查学生听 1a 的效果， 1c 则是检查学生阅读理解的能力。2 重点操练 be made of，be made from 和 be used for。3a 以听的形式让学生加深对 2a 的句型和 1a 的语法的理解。3b 让学生能够把本课的句型和语法正确地说
2、出来。总之，本课把句型和语法充分地融合到听、读、说当中。. Teaching aims1. Knowledge aims：掌握本课的重点词汇和短语，初步学习一般过去时的被动语态。2. Skill aims: 能够在听、说、读、写中正确运用一般过去时的被动语态。九年级上册教学案例设计23. Emotional aims: (optional)鼓励学生要勤思考、有理想、争做未来的发明家。4. Culture awareness: (optional)了解其他国家的科技发明。. The key points and difficult points1. Key points: Words and p
3、hrases: lock, metal, be made of, be made from, be made in, be used for, be allowed to do sth. Sentences:Whats it made of?Its made from wood.Whats it used for?Its used for locking the door.I wish I could go into space some day.I hope your dream will come true.Grammar: was/were +pp2. Difficult points：
4、be made of 和 be made from 的用法辨析。I wish I could go into space some day.U4T1SA3Its used for writing on . Learning strategies通过温习一般现在时的被动语态知一般过去时的被动语态，实现从一般现在时的被动语态到一般过去时的被动语态的转换。通过联系生活实践，来区分 be made of 和 be made from。在交流中，重在表意，不要担心出错。. Teaching aids有关新词的图片/实物（如：数码相机 ,锁）/ 录音机/ 小黑板/PPT。. Teaching proced
5、uresStage(time period)InteractionpatternsTeacher activity Student activity Remarks1Revision & lead-in(10mins)Class activity Step 1: Let the Ss change the sentences in Group A into present passive voice.T: Look at these sentences and try to change them into passive voice. T: xxx, do you want to try t
6、he first one?T: Wonderful! The second one?Change the present active voice into passive voice.通过复习一般现在时的被动语态来过渡到一般过去时的被动语态。以旧引新、比较学习能让学生更快地掌握新知识。九年级上册教学案例设计4Group workExample:Group APeople speak English around the world.The monkeys eat the bananas.Water washes away the earth.The chemical factory poll
7、utes the river.Step 2: Present the sentences in Group B and encourage the Ss to discuss in groups and change them into passive voice, too. T: You have done very well. Now look at this group of sentences. Again, you change them into passive voice, but this time, you will discuss in groups first.T： An
8、y volunteers?T: Which group has different opinions?S1: English is spoken by people around the world.S2: The bananas are eaten by the monkey.S3:Change the past active voice into passive voice.S1: Basketball is invented by a P.E teacher in the USA in the nineteenth century.一定要把学生说出的被动语态的句子板书出来，为后面的教学作
9、准备。U4T1SA5Group workT: Thats nice. How about Sentence Two?T: Perfect! Example :Group BA P.E teacher in the USA invented basketball in the nineteenth century.The worker cut down the trees yesterday.I made this model plane.Mr. Wang punished him.The cat ate the fish.Step 3: Let the Ss observe the two g
10、roups of sentences and try to find the differences between them. Move to past passive voice.T: Observe the two groups of sentences in S2: Basketball was invented by a P.E teacher in the USA in the nineteenth century.S3: The trees were cut down by the workers yesterday.S4: This model plane was made b
11、y me.S5: He was punished by Mr. Wang.S6: The fish was eaten by the cat.Observe the two groups of sentences and try to find the differences between them.如果学生能正确地表述过去时的被动语态，老师直接板书，如果不能，老师要引导学生总结出来。九年级上册教学案例设计6your group and find out the differences between them.T: Hi, class, have you found anything di
12、fferent?T: Your group is wonderful today. Anything else?T: Great! Can you guess what we call the sentences in Group B?T: Yes. You made it. Could you tell me the structure of it?S1: Group A is in present tense while Group B is in past tense.S2: We use “is” or “are” in group A, but we use “was” or “we
13、re” in Group B.S3: 过去时的被动语态。S4: was / were + pp2Pre-listening(4mins)Class activity Step 1: Use pictures, real objects or PPT to teach: rocket, satellite, spaceship, metal.Learn the new words.Ss: Its a rocket.这几个单词需要老师引导才能学习。U4T1SA7Individual workT: Look at the picture. Whats it? Step 2: Let the Ss r
14、ead the statements in 1b and guess the meaning of be made of.T: Now, read the statements in 1b and try to guess the meaning of be made of .T: Who knows the meaning of be made of? Hands up, please!T: Almost right, but not exactly. Anyone else?T: Good boy! You got it!Ss:Read the statements in 1b and g
15、uess the meaning of be made of.S1: 被 .制成S2: 由 .制成3While-listening(2mins)Individual workLet the Ss listen to 1a and do 1b.T: Now, listen to 1a and do 1b. We will check the answers after listening.T: Has everybody got the answers? Listen to 1a and do 1b.S1: No.1 is F九年级上册教学案例设计8T: Yes! You please.T: N
16、ext one? T:.S2: No.2 is FS3:.S4:.4Post-listening(12mins)Individual workStep 1: Let the Ss read the questions in 1c, and then read 1a and find the answers to the questions.T: Here are 4 questions in 1c. Read them quickly, and then read 1a and underline the answers to the questions. If you finish, rai
17、se your hand, please.T: Now, its time to check the answers. Please use full sentence while answering. Who wants to answer the first question?T: Perfect answer! Who wants to try the second one?T:.Read the questions in 1c, then read 1a and find the answers to the questions.S1: Because its bad for her
18、health if she spends too much time on computer games.S2: A rocket is used for sending satellites or spaceships into space.S3:.U4T1SA9Individual workStep 2: Let the Ss read 1a again and underline the passive voice and the key points.T: Now, you will read 1a again. This time, you will underline the pa
19、ssive voice, the difficult points and key points. When you finish, raise your hand.T: First, lets deal with the passive voice. xxx, please. T: You are smart. Lets come to the second part: the difficult points. Who has questions?T: Good question! Its a very important sentence. Its usually used to exp
20、ress Read 1a again and underline the passive voice and the key points.S1: I was not allowed to play computer games last night.S2: It was made by me.S3: Whats it made of?S4: Why “could” is used in the second sentence from the bottom? Can I use “can” instead?wish 表 示 祝 愿 、 愿 望 ，要 给 学 生 强 调 这 个 愿 望不 太
21、可 能 实 现 。 但 不 要讲 得 太 深 ， 虚 拟 语 气 可以 不 提 。九年级上册教学案例设计10wishes， but its unlikely to come true.T: Now, what about key points? Come on!S5: be allowed to do sth., be bad forS6: spend . on sth., be made ofS7: be used for doing sth. learnfrom, come true5FinishingTask 2(5mins)Individual workStep 1: Let the
22、Ss read the examples in 2 and find the differences between Example One and Example Two.T: Now, read the examples in 2 and find the differences between Example One and Example Two.T: What differences have you found? T: Superb! What else? Read the examples in 2 and find the differences between Example
23、 One and Example Two.S1:“Be made of”is used in Example 1 and “be made from” is used in Example 2.这 个 部 分 分 成 两 步 骤 来完 成 较 好 。 第 一 ， 帮 助学 生 区 分 be made of 和be made from 的 用 法 。第 二 ， 如 何 运 用 介 词 。理 解 这 两 点 ， 有 利 于 学生 构 建 对 话 。 学 生 不 能解 释 清 楚 的 老 师 要 补 充 。老 师 在 此 过 程 中 ， 顺 便解 释 ： lock。 为 了 简 单明 了 ， 老 师
24、 可 以 用 汉 语U4T1SA11T: Right! If you can see the material with your naked eyes, you should use “be made of”. If not, use “be made from”. For example, the lock is made of metal. You can see it clearly with your naked eyes. But, as for the paper, you cant see wood directly with your naked eyes, so you s
25、ay the paper is made from wood. Now, look at the pictures below the dialogs. See if you can see the material with your naked eyes .T: Lets check. Computer desk, be made of or be made from?T: Chopsticks?.S2: There is a preposition “on” after “write”, but there is no preposition after “lock”.Ss: Be ma
26、de of. Ss: Be made of. .解 释 ， 因 为 涉 及 到 不 少术 语 ， 学 生 难 以 听 懂 。九年级上册教学案例设计12Pair workT: Well done! How do we decide whether to use a preposition or not? The answer is: if the action is done by the object itself, there is no need to use a preposition, and if not , then a preposition is needed .Step 2:
27、 Let the Ss make up similar dialogs in pairs. T: Now, lets do pair work. Make up similar dialogs. Go ahead!T: Id like some pairs to act out your dialogs . Which pair ?T:.Make up similar dialogs in pairs.S1: Whats the computer desk made of ?S2: Its made of wood S1: Whats it used for?S2: Its used for
28、putting computers U4T1SA13on. 7 FinishingTask 3a(5mins)Individual workIndividual Step 1: Let the Ss look at the pictures in 3a to learn the new words laptop and digital, and then listen to 3a and number the pictures.T: Do you know what the picture 1 is?T: Yes, but we call it a laptop. Because we usu
29、ally put it on the top of our lap while using it.T: How about the picture 3?T: Its a digital camera. T: Now, you will listen to 3a and number the pictures.T: Check answers! Step 2: Let the Ss listen to 3a again and Learn the new words, listen to 3a and number the pictures.Ss: Its a computer.Ss: Its
30、a camera.Ss:Listen to 3a again and fill in the 九年级上册教学案例设计14work fill in the table in 3a.T: Listen to 3a again and fill in the table in 3a.T: Now, lets check the answer one by one. First, laptop. What is it made of?T: Whats it used for?T:.table in 3a.S1:Its made of plastic.S2: Its used for S3:.8Fini
31、shingTask 3b(3mins)Pair workLet the Ss read the example in 3b, and then make up similar dialogs in pairs based on the information in the table in 3b.T: First, read the example in 3b, and then make up similar dialogs in pairs based on the information in the table in 3a. T: Good news! I will have a ph
32、oto with the first pair! Which pair will be the first one?Read the example in 3b, and then make up similar dialogs in pairs based on the information in the table in 3b.S1: What is a cellphone made of ?S2:Its made of plastic and metal.S1: Whats it used for?U4T1SA15S2: Its used for making telephone ca
33、lls .S1:.S2:.9Summarizing and assigninghomework (4mins)Class activity Step 1: Let the Ss go over this section and sum up the key pointsT: We have only a few minutes left. Lets sum up the key points of this section.T: Lets begin with grammar.T: Whats the structure of it?T: And key points?Step 2:HMKSu
34、m up the key points.Ss: Passive voice in the past.Ss: Was / were + pp S1: Be made of , be made from, be used for doing sth.S2: Allow sb. to do sth., be allowed to do sth.S3: Spend on sth.S4: I wish.S5:九年级上册教学案例设计16T: Now, computers are widely used in our daily life. But do you know the history of co
35、mputers? Find some information about computers and write a short passage. Try to use the past passive voice as much as possible. . Blackboard designWhen was it invented ?Section AWords and phrases: rock satellite spaceship metal lock laptop digitalGrammar:the past passive voicestructure: was / were + ppSentences:Whats it made of ?Its made from wood.Whats it used for?Its used for locking the door.I wish I could go into space someday.I hope your dream will come true.U4T1SA17be made of come truebe used for doing sth.be made from
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