2019-2020年九年级英语全册 Unit 6 When was it invented（第6课时）教案 （新版）人教新目标版.doc

2019-2020年九年级英语全册 Unit 6 When was it invented（第6课时）教案 （新版）人教新目标版Teaching and Learning Goals:一话题和功能：本单元谈论的话题是“发明”。内容涉及到很多方面，如介绍一位熟悉的发明家，介绍一项发明，评价一项发明，设想一项发明等。谈论该话题有助于学生了解科技的发展，培养其科学意识和创造意识，也有益于学生学习发明家不畏艰难、勇于探索的精神。 二词汇和常用表达：take notes, was invented by，is used for,The special pen was invented byIt can be used to 三学习策略:Guide the students to master the writing skills. 四文化知识：了解国内外有关发明的起源，发展和用途。Teaching and learning steps:Step1. Pre-writing activities.1. Revision(话题复习)：Talk about the inventions in pairs. For example:A: When was the bicycle invented? B: It was invented in 【设计意图】首先利用精美的图片复习已学过的被动语态的句型，激发学生练习说话的热情，这种深入浅出的“开场白”，具有承前启后，温故而知新的作用，且有利于中下等学生进入状态,扎实推进,为下面的写作做好语言储备。 2.Leading- in(导入)： T: We have learned some inventions in the world such as the puter, the TV, the telephone and so on. They improved our life. Today，well learn to write a passage about a new invention to help you to take notes quickly in class . 3. plete the passage(短文填空)： Activity 3a. Read the expressions in the box and make sure you know the meaning of each one.It is only 5 dollars.It is a special pen.The pen was invented by Liu Jie.The pen was invented last month.It is used to help you take notes quickly in class. check the answers. 【设计意图】复习相关句型，引导学生进行写作前的热身活动，并为下一步结构分析作准备。 4. Structure analysis(信息归类 结构分析)： 1) Put the above expressions to the right place in the chart:InventionTimeWhoPurposePrice Check the answers. Have the students to read the sentences aloud by themselves. 【设计意图】本环节通过信息归类这个活动，旨在引导学生积累写作材料，学习文章布局技巧。5. Talk about reality(谈论实际) T:Imagine you are a business person. Write a description of you new invention. Try to sell the invention to the class.【设计意图】由布局谋篇的技巧学习过渡到实际运用，从热身活动过渡到实际“下水”。Step2 While-writing activities: 1. Write an outline(拟定提纲) First , help the students to find out the general design idea.InventionTimeWhoPurposePriceAsk the Ss to fill in the chart The teacher walks around and gives directions if necessary.Show one students version:InventionA special penTimeLast yearWhoChen JiePurposeLearning EnglishPrice10 yuan T: Prepare your article orally according to the chart and Ill ask someone to read to the class. Give Ss 3 or 4 minutes to write an outline. Sample:This special pen was invented bylast year. It is special because It is used forWhen the red color is turned on, . When the black color is turned on, When the yellow color is turned on, 【设计意图】正如语文课上写作文要先打草稿一样，拟草稿是写好英语作文的第一步。在此框架内填枝加叶，充实内容，才能一步步顺利成篇。2. Write the draft(起草初稿)T: Can you write a paragraph about your invention?. The Ss write it down on their papers. Ask a student to e to the front and write it on the blackboard. The teacher walks around and gives directions if necessary.Check the paragraph together,explain the mistakes if necessary.The other Ss correct their work by themselves3. Revise the draft(修改初稿）Show one students version: This special pen was invented by Zheng Jie. It has three colors and it is used for learning English. When the red color is turned on, the pen reads out English as it is moved along the line. When the black color is turned on, the pen finds out the structure of the sentences as it is moved along the line. When the yellow color is turned on, the pen shows the formation and meaning of the word as it is moved along the line .It is very cheap. It is only 10 yuan. Here is an evaluation scale(评价标准）. Have a look.Is there a topic sentence(主题句)?Did I use the passive voice?Are there any grammatical mistakes（语法错误）?Is the handwriting beautiful? T: Modify each others passage in pairs according to the evaluation scale above. Correct mistakes as possible as you can.【设计意图】以学习小组为单位，互评互改，在批改中学习，在批改中提高，取长补短，即所谓“兵教兵”。与教师逐篇批改相比，这种做法省时省力见效快。Step3 Post-writing activities: 1. 展示评价1. The teacher points to the position on the blackboard.T: What do you think of his article? And how many points will he get?(师生根据实际情况给出一个合理的分数) T：So what about your positions? Can you give a point to your partners position?Ask the Ss to check their partners position according to the above evaluation scale.Rewrite their positions ( 设计意图：本环节的教学活动是前一个教学活动的延续。通过让让学生及时的自评、互评，学生能肯定学习中的进步，反思学习中的问题。3分钟左右)2 Each group elect the best piece from all the passages of them and give them to the teacher. T: Ill show them on the screen. The group leaders will give a grade (等级) to each passage according to the evaluation scale. A. best B. better C. good D. just so-so Praise top three passages.【设计意图】教师从不同小组随机抽取3-5篇文章，投影到大屏幕。教师先做评价示范，学生再对本组作品评价，推选出本组最佳文章，交给教师，投影到大屏幕。各小组组长为评委，按A、B、C、D四个档次投票，排名前三为优秀。2. 新闻采访 Now lets have an interviewing game. Imagine you are a reporter from Zaozhuang Daily(枣庄日报) and your partner is the interviewee(被采访者). You will talk about a new invention. 1) Prepare the conversation in pairs.Reporter: Whats your invention?Interviewee: Its a.Reporter: When was it invented?Interviewee: it was invented Reporter: Who invented it?Interviewee: It was invented byReporter: What is it used for?Interviewee: it is used for. 2) Each group chooses one pair as the representative to act out. 3) Choose the best pair from each group to take part in the petition. 4) Rank all the representatives and give a prize to the top four pairs:最佳表演奖， 最佳创作奖， 最佳语言奖， 最具潜质奖【设计意图】从书面作文返回到口头表达，既巩固了写作技能又促进了口语表达能力的提高。同时，根据多元评价的要求，善于发现学生的闪光点，对学生作品不同的亮点给予不同的奖项，激发活动热情，提高参与积极性。3. 反思目标 T: Just now we have done some practice about introducing an invention . How can we plete it well? Sa: . Sb: . Sc: .【设计意图】经过前面多种形式的反复操练，进入概括总结阶段。引导学生回顾达成目标的过程， 升华提高。4. 作业布置： 1）必做题：Self Check on page 48. Exercises 1,2&3. 2) 选作题1Write an invention according to the picture:选作题2 Write an invention with the help of the information: 本课亮点: 1. 按照英语写作课的过程性写作模式，写前 展示目标(单元)话题复习热身导入看图说话短文填空文体结构分析展示标准谈论实际 写中 拟定提纲起草初稿修改初稿 写后 典型展示师生评价生生互评新闻采访反思目标布置作业。环环相扣，步步为营。这不仅有助于学生形成合理的写作思路，养成良好的写作习惯，而且有利于降低写作难度，培养学生写作自信心。2.充分利用多媒体课件、投影仪的作用，引导学生进入预设情景，展开丰富的想象。 3.全方位评价学生，鼓励学生作品中的每个亮点。例如在新闻采访环节，活动展示后设立最佳表演奖， 最佳创作奖， 最佳语言奖， 最具潜质奖，极大地鼓励了学生的参与热情和成就感。努力体现评价主体的多元化，自我评价、结对互评、小组评价、教师评价相结合。本课不足：1. 实施“小组合作竞学”模式，为了鼓励学生参与热情，我对学生的每次表现都及时计分，导致课时略显不足。2. 在学生对话、拟定草稿的过程中，我在班内巡视不够多，没能及时提供语言帮助。教学建议：1. 安排小组长负责记录本组成员得分情况，分段集中在黑板上展示，同样能收到良好的效果。2. 学生活动时，增加在教室内巡视频率，及时提供语言帮助。