Unit 5 Power of Ideas Section B 3a-3c 课件 2026-2027学年人教版英语九年级上册

Our schools science festival is coming. The english corner will make an inventions around us wall. We will become Young invention writers. First we will read an invention story and learn how to introduce an invention. Then we will choose an invention from our daily lives . and write an english introduction for the wall. Unit5 Power of ideas How do we turn ideas into reality? Section B (3a-3c) Presentation Learning Objectives 1.通过猜谜，观看视频，听英语歌曲，能够正确地说出谜底，能够正确地回答问题，能够说出关于飞机的基本信息，能够根据图片预测文本主要大意。（学习理解） 2.读懂关于飞机发明的文本，提取文本关键信息：发明物、发明者、发明缘由、遇到的挑战、发明过程、发明时间以及带来的影响；识别文本叙事逻辑；梳理文中介绍发明的句型结构，归纳 “发明‑发明者‑挑战‑过程‑影响” 类说明文的阅读与笔记框架。(学习理解，应用实践) 3.借鉴飞机说明文的文本结构与表达，自主选择一项感兴趣的发明开展信息搜集，仿照 3b 表格整理笔记，完成 3c 短文写作，介绍一项发明的相关信息，并能和同伴交流分享(迁移创新) Presentation Presentation Look at the picture and guess: 2.What is the passage mainly about? 1.What is the invention? Tip:Pictures can help us understand the text. The passage mainly introduces how the . invented the and how it . Wright brothers plane changed the world Presentation Who invented the plane? It was invented by the Wright Brothers. When was the plane invented? Why did people want to invent planes? Because they wanted to fly like birds freely in the sky. How do planes change our life? They shorten the distance between places and make our world smaller. It was invented in 1903. Today we will read a passage about the invention of the plane, and then learn to write about a great invention. Presentation Read and match the main idea with each part. A. The influences of the plane B. The basic information of the plane C. Challenges and the invention process Tip:Focus on the first and last sentences, repeated words and time expressions.   Presentation Read Para. 1 and complete the following tasks. The basic information of the plane Question Answer What was invented? Who were the inventors? Why did they invent it? 1.Fill in the table. 3a Tip:Look for the invention, inventors and reason to get the basic information.  The plane. Orville Wright and Wilbur Wright. They wanted to fly like birds. How does the writer begin the passage? A. By asking a question. B. By telling a funny story. C. By listing several inventions. D. By stating the great effect of the plane. Presentation Read Para. 1 and complete the following tasks. The basic information of the plane 2) What contrast(对比) does the writer make? A. A great result and a simple dream B. Two different kinds of planes C. Birds and other animals D. Orville and Wilbur 3)What linking words does the writer use? However；rather. 逻辑关系:Great influence → However → Simple purpose The invention of ______ has greatly changed ______.It was invented by ______.The inventor wanted to ______. Presentation Read Para. 2 and complete the following tasks. To solve the problem of heavier-than-air flight, the Wright brothers began working with gliders. There were two main challenges. The first was how to get the glider into the air. The second was how to control it once it was flying. For both problems, they found their solutions by looking at how birds flew. After they solved these problems, they added an engine to the glider. Then, in December 1903, the world’s first plane flights were made. Challenges and the invention process 1.Circle the linking words. Tip:These words make the invention process clear and logical.  Question Answer What challenges were met? How was it invented? When was it invented? 2.Fill in the table. How to get the glider into the air and how to control it. By looking at how birds flew, then adding an engine. In December 1903. 3a /ˈɡlaɪdə(r)/ n. 滑翔机 Presentation Read Para. 2 and complete the following tasks. To solve the problem of heavier-than-air flight, the Wright brothers began working with gliders. There were two main challenges. The first was how to get the glider into the air. The second was how to control it once it was flying. For both problems, they found their solutions by looking at how birds flew. After they solved these problems, they added an engine to the glider. Then, in December 1903, the world’s first plane flights were made. Challenges and the invention process 3.Fill in the blanks. Tip:Problem → Challenge → Solution → Result a problem → work with → meet two → birds → → make the in December 1903 gliders challenges learn from add an engine first plane flights 4.What does their experience show? They learned from nature and kept trying to solve problems. To solve the problem of ______, the inventor began to ______. There were some challenges.The first was ______. The second was ______. 3a The influences of the plane The invention of the plane has made our travels around the world much easier and faster. Journeys that once took days, weeks, or even months, can now be made in only a few hours. As a result, communication among people in different countries is now much easier, and the world has become a much smaller place. 1. How did the plane change people’s journeys? A. Journeys became longer. B. Journeys became cheaper. C. Journeys became easier and faster. D. Journeys became more dangerous. 2. What was its effect? It has made our travels around the world much easier and faster. It has made communication amomg people in diffeerent countries much easier. The world has become a much smaller place. The invention of ______ has greatly changed our lives.Before it was invented, people had to ______.Now, people can ______.As a result, ______ has become easier/faster/safer.It has made our lives ______. Presentation 1. What is the best title for the passage? A. The Invention of the Plane B. How Birds Learned to Fly C. A Journey Around the World D. The Problems with Early Engines 2.Which saying best describes the Wright brothers’ story? A. Every coin has two sides. B. A good beginning is half done. C. Where there is a will, there is a way. D. Two heads are better than one. Presentation Presentation Checklists Loud and fluent.（声音洪亮，描述流利） Be confident.（充满自信） Completely.（复述完整） Presentation Paragraph 2 Paragraph 3 basic information challenge& invention process influence How to introduce an invention basic information challenge& invention process influence 开门见山，点明发明物、 发明者、发明初衷（总起） 介绍研发遇到的困难、解决办法、发明时间（主体：发明故事） 阐述这项发明对人类、世界带来的影响（结尾：意义） The Wright brothers didn’t set out to change the world. Why do you think their simple dream finally brought such great changes? Their strong interest and simple dream pushed them to keep trying. They spent lots of time solving problems carefully. Though they only wanted to fly like birds, their hard work created a great invention. Small dreams, when followed with continuous efforts, can bring unexpected big changes to the whole world. Besides the plane, what other great inventions do you know? Choose a great invention you are interested in. Do some research and make notes about it. 3b _______________ was invented by ______________ in _______________. It was invented because _____________________________________. It was made of / from ________________________________________. The inventor had difficulties in ______________________________ __________________________________________________________. The invention was responsible for / led to ________________________ __________________________________________________________. what when who why what material what difficulty& how to solve what effect Do some research and make notes about the invention. ● _____________ was invented by___________________ in _______ . ● It was invented because ___________________________________ . ● It was made of / from _________________________ . ● The inventor had difficulties in _____________________________ . ● The invention was responsible for / led to ____________________ _____________________________________________ . The telephone Alexander Graham Bell 1876 people wanted to talk with others far away metal and glass sending voice over wires much easier communication between people far away. Writing framework. Beginning: the inventors & their purpose Ending: the influence of the invention The invention of … has greatly changed the world. However, its inventors were not looking to … at all. Rather, they just wanted to … Body: problems & invention process To solve the problem of …, … began working with … There were two main challenges. They found their solutions by … Then, in …, … was made. The invention of … has made … much easier and faster. As a result, …, and the world has become … Presentation Step 1: Order-outline The invention of ______ has greatly changed ______. It was invented by ______...... Beginning--Pick out the Basic Information problem--challenge--solution--result Body--Identify the Invention Process The invention of ______ has greatly changed our lives. Ending--Explain Its Effects Presentation Step 2:Wording and phrasing[遣词造句] Beginning 1. 许多伟大的发明改变了世界，电话就是其中之一。 There are many great inventions that have changed the world, and the telephone is one of them. 2.它由亚历山大·格雷厄姆·贝尔于1876年发明。 It was invented by Alexander Graham Bell in 1876. Look and write Body 1.人们需要一种远距离快速交流的方式，因为信件传递很慢。 People needed a quick way to communicate over long distances because letters were slow. 2.贝尔在清晰传送声音和改善信号方面遇到了许多困难。 Bell faced many difficulties in sending clear sounds and improving signals. 3.然而，他不断尝试、从不放弃，因此最终取得了成功。 However, he kept trying and never gave up, so he finally succeeded. Step 2:Wording and phrasing[遣词造句] 1. 他的发明使交流更加快捷，并把世界各地的人们联系起来。 His invention resulted in faster communication and connected people all over the world. 2.多亏了电话，世界变得更加紧密，我们的生活也更加便利。 Thanks to the telephone, the world has become much closer and our lives are more convenient. Ending Step 2:Wording and phrasing[遣词造句] Pre-writing Presentation Beginning Body Ending Beginning: basic information(what+who+why) Body: invention process Ending: effects Step 3: Draft your essay about how the telephone was invented Presentation The invention of the telephone has greatly changed the world. It was invented by Alexander Graham Bell in 1876. He wanted people to talk with their friends far away. Bell met many problems. He faced many difficulties in sending clear sounds and improving signals, but he kept trying and did lots of experiments. He never gave up. Finally, he succeeded. In 1876, he made the first telephone. The telephone makes long-distance communication easy and fast. Before, people had to send letters. Now people can talk directly. As a result, the world has become much smaller and closer and our lives are more convenient.Great inventions come from people’s wishes and hard work. If we keep trying, we can also create something useful. Presentation Evaluation Checklist (标准清单) Yes(√) No(×) Content& Structure (内容&结构) Cover the details of an invention. Have clear structure(beginning,body and ending). Language （语言） Using the theme vocabulary of the unit. (使用本单元主题相关词汇) Using the correct tense. Form (格式) Write the sentences with correct capital letters and punctuation. (句子中的大写字母和标点需规范) Write neatly. (整洁的书写) Presentation Assessment 评价要素 自我 评价 同伴 评价 教师 评价 Format(格式) Language&Grammar （语言&语法） Cover all the aspect （要点全面） Handwriting(书写) Total(总分) Suggestion(建议) 评价标准：Excellent! Great! Come on! Presentation 在英语课上，你们班开展了一次以“The Power of Ideas”为主题的讨论。请你根据以下要点，用英语写一篇短文，向校英语报投稿，分享你对“想法的力量”的理解。 要点提示： 1. 想法的重要性：想法可以改变世界（举例说明）； 2. 如何产生好的想法：观察生活、多问问题、合作交流等； 3. 作为中学生，我们该如何培养创造性思维？ Presentation As the saying goes, “A good idea can change the world.” I strongly believe that ideas have great power. Here are my thoughts on this topic. Ideas are powerful enough to change the world. Many great inventions, such as the Internet, came from simple creative thoughts. Good ideas won’t appear easily. We need to observe daily life, keep curious and ask more questions. Besides, valuable ideas can be improved through collaboration with partners. As middle school students, we should develop creative thinking. We’d better keep curious and dare to put forward new opinions. Don’t fear failures, for they can guide us to turn ideas into reality. In short, never stop thinking and creating. Presentation Presentation 一、完成句子。 上个月生产了一千多辆自行车。 More than 1,000 bikes ____________ last month. 2.我们在图书馆里应该保持安静。 We are _______________ keep quiet in the library. 3. 工程师们正致力于研发一种更轻的材料。 The engineers are _______________ a lighter material. 4. 大雨造成了一场大洪水。 The heavy rain ________________ a big flood. 5. 这块石头的形状像一轮月亮。 The stone is ________________ a moon. were produced supposed to looking to develop led to/resulted in in the shape of Presentation Class test 二、翻译句子。 我认为 AI 是有史以来最伟大的发明。 2.它最早是在 1956 年被发明的。 3.现在 AI 被用于执行许多任务。 4.制定使用它的规则是很有必要的。 5. 这样，AI 才能被合理使用。 I think that AI is the greatest invention of all time. It was first invented in 1956. Now AI is used to perform many tasks. It’s necessary to make rules about using it. In this way, AI can be used properly. $