Unit 2 Saving the Earth-Topic 3 What can we do at home to protect the environment -Section C-教案、教学设计-市级公开课-仁爱科普版九年级上册(配套课件编号：c0065).docx

1、Unit2Topic3SectionB 教案教案 . Material analysis 本课是九年级第二单元第三话题的第三课时。主活动是 1a。1a 介绍了世界 各地的人们如何开发和利用环境友好型和资源节约型的新能源， 同时也指出了这 些新能源的利用方式所存在的不足之处。在介绍的过程中，让学生学到更多并列 句的连接词。如：however, not onlybut also等。1b 通过图片匹配可以帮助学 生形象地理解比较陌生的事物。1c 培养学生归纳处理信息的能力。2a 和 2b 是 两个关联性很强的任务。2a 指出人们可以利用可再生能源来发电，并让学生讨 论怎样利用这些可再生能源，然后在

2、2b 环节形成书面报告。这两个环节，其实 是培养学生学会作记录，并根据记录整理成短文的能力。2b 是个书面活动，可 以留作家庭作业。 .Teaching aims 1.Knowledge aims： 掌握本课的重点词汇和短语，继续学习并列句。 2.Skill aims: 学会更多连接并列句的方法。 学会在讨论中作记录，并整理记录使之成文。 能够对信息进行分类处理。 3.Emotional aims: (optional) 激发学生探索利用新能源的热情。 4.Culture awareness: (optional) 了解世界各国在开发和利用新能源方面的现状和成就。 . The key poin

3、ts and difficult points 1. Key points: Words and phrases: technology, renewable, disadvantage, require, German, wheel, guide, deep, run out, source, worldwide, producefrom, not onlybut also, tooto Sentences: However, nuclear power can be very dangerous. It can not only protect the environment but al

4、so save energy. Its too small to hold many people. Grammar: compound sentence 2.Difficult points： 理解文章中出现的大量专业术语。如：biogas technology, maglev trains 等。 理解文中出现的被动语态。如: This renewable energy is used in peoples everyday lives. Electric vehicles were developed in the 1990s. Its too small to hold many peo

5、ple, but larger models will be developed in the near future. 理解文中出现的表语从句。如： Its key disadvantage is that the process requires a long time (up to 30 days) and the high cost for its building. . Learning strategies 在 1a、1b 和 2a 中，能够根据文字描述进行图文匹配。 在 1c 环节能够根据要求获取不同的信息，并能根据所完成的图表复述文章 的大意。 要养成在讨论中作记录的好习惯，并

6、利用记录的要点来组织短文。 利用课文中的插图和教材附录中的资料来理解课文。 . Teaching aids 教学新词的图片（如：1a, 1b, 2a 的插图、电动摩托图片、核电站图片） / PPT 白纸等。 . Teaching procedures Step 1 Lead in Watch a video about an ad, then talk about something on energy. Step2 Pre-reading Present the pictures in 1a, 1b and 2a to learn the new words. T: Now, I will

7、show you some pictures. Try to tell me what the picture is in English. Now, look at this picture, whats it? T: Yes. Its an electric motor. I often come to school on my electric motor. What about this one? T: You are right. Its a train. People call it maglev train. Its different from the traditional

8、steel railways. It has no wheels but it runs very fast. It can run more than four hundred km per hour. T: (Use the same way to deal with other Step3 While-reading Read 1a again and complete the table Step4 post reading 1.Work in groups, and find some important words, phrases, and sentences, then wri

9、te them on the white paper.At last, choose some students to show it. 2.Teach something about compound words by micro course 3.Do some exercise on it 一选择 1.Would you like to come to dinner tonight? Id like to, _ Im too busy. andB. toC. asD. but 2.They were surprised that a child should work out the p

10、roblem _ they themselves couldnt. A. onceB. thenC. whileD. if 3.One more week, _ well complete the task. orB. so thatC. andD. if 4.The shop doesnt open until 11 a.m., _ it loses a lot of business. A. forB. orC. butD. so 二填空 1.Not only Li Ming but also I_(be) students. 2. Either she or he _(learn) En

11、glish. 3. Neitherteachers nor students _(be) allowed to smoke. 4. Not only we but also you _(be) volunteers. 5.Not only apples but also bananas _(be) fruits 4.Finish 1c Step5 Finishing Task 2a 1: Let the Ss look at the pictures in 2a to learn the new words. 2: Let the Ss read 2a and match the pictur

12、es with the sentences. 3: Let the Ss discuss in detail about the use of one kind of energy sources. Step6. Imagination imagine you are a scientist or an inventor . Try to use the renewable sources to invent something. . Blackboard design What can we do at home to protect the environment? Section C W

13、ords and phrases： electric motor（电动摩托） maglev train （磁悬浮列车） technology require Grammar： compound sentences（并列句） conjunctions（连接词） but, however, and , not onlybut also, Sentences: However, nuclear power can be very dangerous. It can not only protect the environment but also save energy. Its too small

14、 to hold many people. , but it is very dirty and causes acid rain. German wheel guide deep run out dis+advantage=disadvantage (n) re(使)+new+able（能的）=renewable(adj) not onlybut also Homework 1.Read 1a and review the advantages and disadvantages of the energy. 2.Memorize the useful expressions and key sentences which we have learned today. 3.Write a passage about your invention.