Unit 2 Saving the Earth-Topic 3 What can we do at home to protect the environment -Section A-ppt课件-(含教案)-市级公开课-仁爱科普版九年级上册(编号：10a18).zip

Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment? Section A Do you know how these kinds of pollution affect our environment? What should we do to improve our environment? What do they mean? Are you a greener person? Which day is the World Environment Day? What can we do at home to protect the environment? We should reduce the waste we produce. For example, we should use both sides of paper and reuse plastic bags. Read 1a again and answer the questions. (1) Who is working for an organization that protects the environment? Jane. (2) Whats her main job? Her main job is to help spread the message about protecting the environment. (3) Should we use both sides of paper? Yes, we should. (4) Why is the recycling useful? It can protect the environment, and it can save money, too. Read 1a and complete the table. An interview with Jane where Jane works in an _ to _ what Jane is doing helping _ about protecting the environment what we can do at home _ we produce what students can do at school collect _ and soft drink cans organization protect the environment spread the message reduce the waste waste paper Key words 1.work for an organization 2.help spread the message 3.the three Rs -reduce, reuse and recycle 4.reduce the waste 5.reuse plastic bags 6.recycle 7.encourage sb. to do sth. 8.sort Retell it 1c Read 1a and complete the sentences. 1.The three Rs -_, _ and _ - are important. 2.At home, we can, for example, use both _ of paper and reuse _ bags. 3.At school, students are encouraged to _ waste paper and _ because recycling can protect the _ and _ money. 4.Then we _ them _ they can be recycled. reducereuserecycle sides plastic collect soft drink cans environment save sortso that (1) We should use plastic bags as few as possible. (2) We should throw the garbage in the river. (3) We should reduce the waste we produce. (4) We should use both sides of paper. (5) We should throw the plastic bags rather than reuse them. You can nod or shake the head! Nodding the head means agreement. Shaking the head means disagreement. v.点头 n. 同意 (1) You nod your head and it means agreement. (2) Hurry up, or youll miss the train. (3) Water is important but some people dont save it. (4) Some people protect animals while others kill animals. 并 列 句 连词 or, and, but 和 while的用法 表示并列关系，用and 表转转折，用but, while 表选择选择 ，用or 2 Combine the sentences with or, and, but or while, making some changes if necessary. 1. Noise is a kind of pollution. Its harmful to our hearing. Noise is a kind of pollution and its harmful to our hearing. 2. Work hard. You will fail the exam. Work hard, or you will fail the exam. 3. Nodding the head means agreement. Shaking the head means disagreement. Nodding the head means agreement while/but shaking the head means disagreement. 4. Hurry up. You will miss the bus. Hurry up, or you will miss the bus. 5. He has failed several times . He never gives up. He has failed several times, but he never gives up. 放弃 We learn: 1. Words: nod, agreement 2. Phrases：give up 3. Sentences: (1) We should reduce the waste we produce. (2)Recycling can protect the environment, and it can save money, too. We can:1.Use the compound sentences with or, and, but and while. 2.Talk about environmental protection. Read 1a. Memorize the useful expressions and key sentences which we learn today. Finish Section A in your workbook. Preview Section B. U2T3SA 1 Topic 3 What can we do at home to protect the environment? Section A . Material analysis（教材分析）（教材分析） 本课是第二单元第三话题的第一课时。主活动是 1a 和 2。1a 通过记者采访 Jane，询问有关 Jane 在环保组织的活动，引出话题内 容：如何做一个环保人士。通过介绍在生活中如何践行环保行为，自然地用到本话题的功能意念：提出建议。在提出建议的同时，又 引出本话题的语法：并列句。1b 是个难度比较高的听力任务。它不是单纯地考查听写，而是要求学生在听懂内容的基础上，对材料进 行归纳之后再填空。1c 是用第一人称来转述 1a 的内容，旨在向学生传播环保理念。2 是针对并列句而设计的专项语法训练。3a 和 3b 是在考查学生的垃圾分类意识之后，再通过听对话来进行验证。4 再次让学生对垃圾进行分类，以此来培养学生对垃圾再利用的环保理 念。通过学习本课，可以增强学生的环保意识。还可以培养学生在写作时运用连接词写出比较连贯的句子的能力。 . Teaching aims（教学目标）（教学目标） 1.Knowledge aims： 掌握本课的重点词汇和短语，初步学习并列句和提建议。 2.Skill aims: 能够给别人提出合理的建议。 能够正确地运用连接词写出并列句。 九年级上册教学案例设计 2 能够把所听到的听力材料先归纳再填空。 3.Emotional aims: (情感目标) 鼓励学生在日常生活中自觉践行环保行为。 . The key points and difficult points 1. Key points: Words and phrases: nod, agreement, disagreement, protection, organization, recycle, can, give up, so that, encourage sb to do sth.be harmful to sb./sth. Sentences: We should reduce the waste we produce. We should use both sides of paper and reuse plastic bags. Its a pleasure. Recycling can protect the environment, and it can save money, too. So we encourage students to collect waste paper and soft drink cans. Grammar: compound sentence（并列句） 2. Difficult points(难点)： 根据句子需要，正确地选用连接词。 理解含有定语从句和情态动词被动语态的句子。 . Learning strategies U2T3SA 3 在 1b 任务中，要先听懂对话内容，再归纳填空。 在 2 中，要明白不同的连接词的不同用法。首先弄清上下句的关系，再确定用哪个连接词. . Teaching aids 教学新词的实物（如：胶袋、电池、易拉罐等）/有环保标识的纸盒或瓶子/录音机/小黑板/PPT 图片等。 . Teaching procedures Step 1 Warming-up 1、Free talk 用大屏幕展示本节课的课题 What can we do at home to protect the environment? T:Today we are going to learn How to protect the environment. What should we do? T:Are you a greener person?谈到日常生活中常见的污染问题，引起共鸣，从而引出话题。 StepStep 2 2 Pre-taskPre-task LearnLearn newnew wordswords 学新单词学新单词 展示实物或图片（如；塑料袋，易拉罐等）展示实物或图片（如；塑料袋，易拉罐等） StepStep 3 3 While-taskWhile-task 1 1、用录音机播放课文、用录音机播放课文 1a1a 部分的录音，第一遍让学生合上书本进行听力训练，并基本能回答问题；第二遍让学生并完成部分的录音，第一遍让学生合上书本进行听力训练，并基本能回答问题；第二遍让学生并完成 1b1b 表格。表格。 九年级上册教学案例设计 4 2 2、跟读、跟读 1a.1a. 3 3、 老师讲解老师讲解 1a1a，划出重点句型。（讲解课文同时，可讲解构词法，例如：，划出重点句型。（讲解课文同时，可讲解构词法，例如：protectionprotection，organizationorganization，reusereuse，ect.ect.） 4 4、 讲解并列句讲解并列句 andand，butbut，oror， whilewhile，并做对应的练习题。，并做对应的练习题。 StepStep 4 4 Post-taskPost-task 1 1、DiscussDiscuss inin groupgroup “what“what cancan wewe dodo atat homehome toto protectprotect thethe environment.”environment.” 2.2. 个人发言个人发言 . Blackboard design What can we do at home to protect the environment? Section A Words and phrases: protect+tion=protection organize+tion=organization agree+ment=agreement encourage sb. to do sth. Grammar: 提建议 : should / shouldnt 并列句 连接词 and, but, while , or, for, because , as , Sentences: We should reduce the waste we produce. We should use both sides of paper and reuse plastic bags. Recycling can protect the environment, and it can save money, too. Work hard, or you will fail the exam.