Unit5 Section A (2a-2d）课件2026-2027学年人教版九年级上册英语

Unit 5 Power Of Ideas SectionA (2a-2d） 人教版 九年级上册 www.21cnjy.com 让教学更有效 By Yushen 感谢您下载第一PPT模板网提供的PPT模板。 01通过国际发明展和3D打印机情境，学习 invention, design, create, produce, material 等词汇，理解一般现在时被动语态 am/is/are + done 的结构和意义，掌握谈论发明及用途的核心表达（学习理解） 02 通过听力、跟读和流程梳理，获取3D打印机的用途、材料及工作流程等关键信息，运用被动语态描述物品的制作过程，并围绕日常发明开展双人问答。（实践应用） 03联系生活中的常见发明，自主介绍自己喜欢的发明及其用途和价值，思考科技创新给生活带来的改变，增强创新意识（迁移创新） 教学目标 01 Lead-in What’s the invention in the video? What do you know about it? Textbook Tick the things that you think a 3D printer can make. You can add more. 2a □ medicine □ arms and legs □ hearts □ toys ☐ tables ☐ shoes □ computers □ houses ☐ chairs ☐ food ☐___________________ √ √ √ √ √ √ √ √ √ √ clothes, jewelry, tools 2b Listen to the conversation and answer the questions. 1. Where did Han Lin go last weekend? The International Exhibition of Inventions. 2. Why was the 3D printer Han Lin’s favourite invention? Because almost everything under the sun can be made by it. Textbook 2c Complete the sentences with the correct forms of the words in the box. Then listen again and check your answers. read design produce create send First, the object is _________ on the computer. Then, a file is _________ by the computer. And the file is _________ to the 3D printer. Next, the file is _________ by the 3D printer. Finally, the object is _________ by building up plastic. 1 2 3 4 5 designed created sent read produced Ella: Hi, Han Lin! Did you go to the International Exhibition of Inventions last weekend? Han Lin: Yes, some amazing inventions were shown from all over the world. Ella: What invention did you like the most? Han Lin: Oh, the 3D printer was amazing. Ella: Why? Han Lin: Almost everything under the sun can be made by it. Ella: Really? Like what? Han Lin: Well, all kinds of everyday objects. Toys, chairs, tables, and even houses can all be made by the 3D printer. Listen again and repeat Ella: That’s cool! Han Lin: Yeah. And in medicine for example, arms and legs, even hearts can be created by the 3D printer. Ella: That’s great! How does it work? Han Lin: Well, first, the object is designed on a computer. Then, a file is created and sent to the 3D printer. The 3D printer reads the file, and after that, the object is produced by building up plastic. Ella: Is only plastic used? Han Lin: No, other materials can also be used to produce things. It can even make food. Ella: Oh, really? I’d love to try 3D-printed food! 2d List the things you use every day and choose the one that you like the most. Then talk about what it can be used for and its importance. A: What invention do you like the most? B: I like ... the most. A: What can it be used for? B: It can be used for / to ... A: Amazing! / Fantastic! Is it important in your daily life? B: Yes, it ... Things I use every day 1. laptop 2. pencil 3. desk 4. ________ silk　丝绸 porcelain　瓷器 high-speed train　高铁 China is known for silk. 中国以丝绸闻名。 Porcelain was first made in China. 瓷器最早在中国制成。 The high-speed train is used by millions of people. 高铁被数百万人使用。 被动语态：be + 过去分词（is known / was made / is used） What is China famous for? 用被动语态介绍中国物品，说明它们如何改变生活 www.21cnjy.com 让教学更有效 1.7.2013 本页目标：用被动语态介绍中国物品，既操练 be + done 结构，又带出文化自信。 先带学生读三句例句，圈出被动结构 is known / was made / is used。 活动：让学生模仿例句，再口头各说一件中国物品如何改变生活，例如 Tea is drunk by people all over the world. / Paper was invented in China. 提醒学生注意 be 动词随时态和人称变化，过去分词是核心。 ‹#› Invention Card： 描述一件日常物品的用途，以及它如何让生活更方便。 项目 我的记录 Invention（发明）   What it is made of / from（材料）   What it is used for（用途）   How it changes our life（如何改变生活） Summary 1. Inventions high-speed train, camera, mobile phone, plane, TV, laptop 2. 核心句型 —What’s it used for? —It’s used for helping people / cooking food. 3. 一般现在时被动语态 结构：am/is/are + 动词过去分词 The object is designed /created/produced. Lesson 2 See the change（看见改变） Lesson Question: How do inventions change our lives? 发明通过满足需求、提高效率来改变生活。 Inventions change our lives by meeting needs and improving efficiency. Key Points • Describe materials, uses and processes with the passive voice. • Understand how a 3D printer works: design → create → send → read → produce. • Notice how useful inventions make life easier, faster and better. Value & Reflection • Technology matters because it helps people solve everyday problems. • Useful ideas become powerful when they improve real life. Meet a need, and an invention can change life. Unit 5 · Summary 2 动画建议：标题先出现，核心总结语居中淡入，左右两个板块依次出现，底部升华句最后弹出。 教师备注：本页用于 Lesson 2 的最后总结升华。可先带学生回顾本课核心内容，再围绕中心句进行价值提升，帮助学生把语言知识、思维方法与文化意识联系起来。 Homework 01. 基础作业 02. 提升作业 仿照 2d 模板，写 3 组问答，介绍 3 种自己常用的发明物品，至少使用 1 个本课长难句式。 抄写本课发明词汇 + 2b 五个被动语态句子；抄写 4 句课堂长难句，划分主干并翻译。 1.7.2013 Here is your homework for today. Please complete the written and oral tasks. Remember to practice speaking as much as you can. This will help you become more confident. ‹#› null 75989.805 null 74579.055 $