Unit 5 Power of Ideas Section B (2a-Reflecting)课件2026-2027学年人教版九年级英语上册

该初中英语课件围绕“Power of Ideas”主题，聚焦核心词汇（afford, company等）、词形转换规律（collect/create等名词、动词、形容词形式）、被动语态运用，通过词形表格建立词汇基础，过渡到便利贴、莱特兄弟发明阅读提取关键信息，再到写作输出，以表格、图表等学习支架衔接前后知识。 其亮点在于融合思维品质与文化意识，通过便利贴“意外弱胶到实用发明”培养创新思维，莱特兄弟观察鸟类与冯如试飞案例渗透科学精神与家国情怀，采用分层阅读、小组海报制作等任务型教学，提升学生语言能力与合作探究能力，为教师提供结构化资源助力核心素养落实。

Section B (2a-Reflecting) Unit 5 Power of Ideas 01 Teaching Objectives 语言能力：学生掌握afford、company、sticky、gradually等核心词汇及 be looking to do sth 等关键短语；通过2a词形变化表格掌握 collect/create/invent/produce四组词的名词、动词、形容词形式转换规律；读懂2c便利贴发明短文与3a莱特兄弟飞机发明三段式说明文，提取发明者、动机、挑战、解决方法、时间与影响等关键信息；运用被动语态完成3b研究笔记与3c发明短文写作。 思维品质：学生通过三段式阅读梳理"发明初衷—克服困难—发明诞生—带来影响"的叙事逻辑链，培养结构化信息归纳与因果分析能力；分析便利贴从"意外弱胶"到"实用发明"的转化过程，理解"偶然中发现机遇"的创新思维；利用词形变化表格归纳构词规律，培养分类对比与逻辑推理能力；4a-4d项目活动中小组讨论发明创意并制作海报，训练发散思维与协作解决问题能力。 学习能力：学生运用"定位主题句—提取关键词—图表归纳信息"的分层阅读策略，提升说明文信息提取效率；通过2a词形变化练习掌握词缀构词规律（-ly → 副词、-tion → 名词），提升词汇自主习得能力；3a-3c环节以"选择发明—检索资料—整理笔记—撰写短文"的完整写作流程进行自主学习与输出训练；4a-4d项目活动以小组合作制作发明海报，发展合作探究与展示表达能力。 文化意识：学生了解便利贴发明者Spencer Silver与Arthur Fry将意外转化为实用的创新故事，感知"偶然中发现机遇"的科学精神；体会莱特兄弟从观察鸟类到实现人类飞行梦想的执着探索，理解"创意改变生活、发明推动文明"的内涵；2b练习中提及冯如1911年奥克兰试飞，感知中国航空先驱的报国精神；尊重不同文化背景下的创新贡献，树立敢于思考、勇于创造的科学观念。 02 Teaching Points 教学重点：掌握afford、company、sticky、gradually等新词的音形义及词缀构词规律；读懂2c便利贴发明短文，完成短语填空（to sb's surprise / pieces of / stood up / resulted in）；读懂3a飞机发明三段式说明文，完成信息提取图表；理解并运用be looking to do sth、come up with sth等关键短语；运用被动语态完成3a-3c发明研究笔记与短文写作；完成4a-4d发明海报制作与班级展示投票。 教学难点：在说明文阅读中精准定位信息并精简概括填入图表，不遗漏关键要素；2b选词填空中结合语境判断词义方向（如 cheap vs expensive 需结合"cannot afford"语境、secret vs public 需依据"showed the world"转折关系）；在写作中综合运用被动语态与核心短语，做到信息完整、句式多样、逻辑连贯；4c海报须涵盖发明名称、图片、材质、用途、影响五要素，语言简洁、图文并茂；4d展示环节用英语连贯介绍发明创意并接受同伴评价。 03 Section B (2a-3c) Complete the table with different forms of the words. You can add more. Noun Verb Adjective collect creative invent product collection collective creation create invention inventive produce productive Complete the table with different forms of the words. You can add more. Noun Verb Adjective attraction attract attractive reaction react reactive persuasion persuade persuasive permission permit permissive possession possess possessive admission admit admissive Complete the table with different forms of the words. You can add more. Noun Verb Adjective compression compress compressive expansion expand expansive obsession obsess obsessive correction correct corrective reflection reflect reflective prevention prevent preventive Complete the table with different forms of the words. You can add more. Noun Verb Adjective conception conceive conceptive deception deceive deceptive digestion digest digestive rotation rotate rotative motivation motivate motive / motivational resolution resolve resolutive Exercise. 1. All this played an important role in improving the ecological environment and speeding up poverty ___________ (alleviate) in poor areas. 2. Teachers should build a ___________ (create)environment for students to do this work. 3. The new teacher who smiled at everyone left a very warm ___________ (impress) on all of us on her first day. 4. We all went back to our ___________ (respect) homes to wait for news. 5. When a species goes into ___________ (extinct), the whole ecosystem will suffer a lot. 6. She was a very strong, ___________ (impress) character and one of the most inspiring people I've ever met. 7. The ___________ (extend) of the garden will take several weeks. 8. The competitors were very ___________ (appreciate) of the service and support provided by the volunteers. respective extinction impressive alleviation creative impression extension appreciative Choose the correct word to complete each sentence. 1. The use of modern medicine has helped control/spread many dangerous diseases. 2. News could travel much more rapidly/slowly with inventions like the radio and the television. 3. Fibre made from oil provides a(n) cheap/expensive solution to the problem that many people cannot afford to buy enough clothes. 4. A film was invented/produced by a film company to tell us about what robots could do for people's lives in the future. 5. In January 1911, Feng Ru carried out a secret/public test flight in Oakland City. He showed the world what Chinese people could achieve. Complete the passage with the correct forms of the phrases in the box. Then discuss how an invention like sticky notes is turned into reality. piece of stand up result in to sb.'s surprise Did you know that an accident led to the invention of sticky notes? In 1968, a scientist named Spencer Silver was trying to make a strong glue. ____________, he produced a glue that was really weak. It could stick things, but it could be removed very easily. The glue was interesting, but no one could find a use for it. Then, in 1974, a man named Arthur Fry was trying to mark the pages in a songbook using small ________ paper. However, whenever he ________ to sing, the pieces fell to the floor. Then he remembered Silver's glue. With the glue, the paper stayed in the songbook, but it could later be removed. Fry's idea _________ the production of sticky notes of many sizes and colours. They gradually became popular and now are widely used all over the world. To his surprise pieces of stood up resulted in Read the text and complete the chart. The invention of the plane has greatly changed the world. However, it seems that its inventors, Orville Wright and Wilbur Wright, were not looking to change the world at all. Rather, they just wanted to fly like birds. 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. 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. Read the text and complete the chart. Paragraph 1 The plane was invented. Orville Wright and Wilbur Wright (the Wright brothers). Because the Wright brothers just wanted to fly like birds. What was invented? Who were the inventors? Why was it invented? Paragraph 2 How to get the glider into the air and how to control it once it was flying. What challenges were met? How was it invented? Read the text and complete the chart. Paragraph 2 The Wright brothers looked at how birds flew and added an engine to the glider. In December 1903. How was it invented? When was it invented? Paragraph 3 It made travels much easier and faster, and the world became much smaller. What was its effect? → Analyze the structure of the text. The invention of the plane has greatly changed the world. However, it seems that its inventors, Orville Wright and Wilbur Wright, were not looking to change the world at all. Rather, they just wanted to fly like birds. 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. 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. Introduction Body Conclusion Paragraph 1 Paragraph 2 Paragraph 3 Read the text and match the main ideas of the paragraphs. The Wright brothers invented the plane just to fly like birds, not to change the world. The Wright brothers solved flight challenges by observing birds and completed the first plane flights in 1903. Planes make world travel and international communication much easier. Choose a great invention you are interested in. Do some research and make notes about it. _____________ 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 communicate quickly over long distances metal, wires and plastic sending clear sounds and improving the signal faster communication and connecting people around the world Choose a great invention you are interested in. Do some research and make notes about it. _____________ 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 car Karl Benz 1885 people hoped to travel faster and more conveniently on metal, rubber and glass creating a powerful small-size engine faster land travel and changed people's way of transportation land Write about the invention you have chosen using the information from 3b. There are many great inventions that have changed the world, and the telephone is one of them. It was invented by Alexander Graham Bell in 1876. People needed a quick way to communicate over long distances. Before the telephone, slow letters were the main way to keep in touch. Bell faced many difficulties in sending clear sounds and improving signals, but he kept trying and never gave up. Finally, he succeeded. His invention resulted in faster communication and connected people all over the world. Thanks to the telephone, the world has become much closer and our lives are more convenient. Write about the invention you have chosen using the information from 3b. There are many great inventions that have changed the world, and the car is one of them. It was invented by Karl Benz in 1885. People needed a faster way to travel on land. Before the car, horses were the main way to get around. Benz faced many difficulties in creating a powerful small-size engine, but he kept trying and never gave up. Finally, he succeeded. His invention resulted in faster land travel and changed people's way of transportation. Thanks to the car, travelling has become much easier and our lives are more convenient. 04 Project Read the school notice. Choose one area you want to make improvements in. Inventions Needed Do you have any ideas about what could make the world a better place? Share them in the school's invention exhibition! We are looking for inventions in the following areas: ● green technology ● health ● farming ● natural disasters ● education ● taking care of elderly people Your invention should meet the following requirements: ● inexpensive ● easy to operate ● beneficial to people and society If you have an invention like this, apply now! Work in groups. Discuss what inventions could help in your chosen area. The smart elderly-care mat depends on several earlier inventions. Pressure sensors detect falls. Small computer chips deal with information. Wireless technology sends warnings to mobile phones. Rechargeable batteries give it power. Without these inventions, the mat could not work. 这款智能养老垫依赖于多项早期发明。压力传感器可检测跌倒，小型计算机芯片处理信息，无线技术将警告发送至手机，可充电电池为其提供电力。如果没有这些发明，这款床垫就无法运作。 Make a poster about your invention. The poster should include: ● the name of the invention ● a picture of it ● what it is made of / from ● what it is used for ● what effect it has on people's lives Make a poster about your invention. The poster should include: ● the name of the invention: Smart Elderly-care Mat ● What it is made of: soft non-slip fabric, thin pressure sensors and a small chip ● What it is used for: It is put on the floor. When an elderly person falls down, it will send an alarm to their family's mobile phones right away. ● What effect it has on people's lives: It is inexpensive and easy to operate. It helps old people get timely help after falls. It makes the elderly live more safely and brings peace of mind to their families. Present your poster in the exhibition. Vote for your favourite ones. 05 Reflecting Which invention and inventor in this unit impressed you the most, and why? How can inventions change people's lives? Can you use the passive voice to talk about inventions? How do inventors make an idea come true? 在这个单元中，哪一项发明和发明家最让你印象深刻，为什么？ 发明如何改变人们的生活？ 你能用被动语态来谈论发明吗？ 发明家是如何将想法变为现实的？ 06 Vocabulary afford v.买得起，负担得起，承担得起，提供，给予 can/could/be able to afford sth 买得起某物；负担得起某物 can/could afford to do sth 有能力做；承担得起做某事的后果 afford sb sth = afford sth to sb 给予某人某物 affordable adj.负担得起的，价格适中的 unaffordable adj.负担不起的，昂贵的 affordability n.可支付能力；承受力 易混辨析：afford/pay/cost/spend afford：主语是人，侧重“经济/时间上有能力承担”，常和can/could/be able to连用，不一定强调实际花钱，强调“具备条件”。 pay：主语是人，侧重“付钱、支付”，搭配：pay for sth为……付钱 cost：主语是事物，某物花费（金钱）；cost sb sth花费某人多少钱 spend：主语是人，搭配：spend money/time on sth/(in) doing sth company n.公司，商号，陪伴，交往，同伴，一群人，伙伴 keep sb company 陪伴某人 in company with sb 与某人一起，随同 keep company with sb 与某人交往 part company (with sb) 与某人分手/决裂 good/bad company 益友 / 损友 fall into company with sb 偶然结识某人 注意：表示“陪伴”为不可数，不能说 a company；a company 只表示“一家公司、一个剧团”。 companion n.同伴，伙伴，伴侣 companionship n.友谊，陪伴关系 accompany vt.陪伴；伴随；为……伴奏 accompany sb to sp 陪某人去某地 易混辨析：company/companion/accompany company：n.(U)抽象的“陪伴”，侧重状态，不指具体某个人。 companion：n.(C)具体的人，同伴、伙伴，指实实在在的人。 accompany：vt.动词，“陪伴”，强调动作。 sticky adj.黏的，（天气）湿热的，棘手的，难办的，态度犹豫的 stick v.粘贴，刺入，卡住，坚持；n. 棍，棒，枝条 stick to 坚持，忠于 stick out 伸出，突出 stick with 继续支持，紧跟 stuck adj.卡住的，陷入的，被困住的 get stuck 卡住，陷入困境 be stuck in 被困在…… be stuck with 不得不接受，摆脱不掉 易混辨析：sticky/stuck sticky：描述事物本身属性，有黏性的，黏糊糊的；棘手的 stuck：描述被动状态，卡住的，被困住的，陷进去的，来源于动词 stick 拓展区分：stick to/insist on stick to：to 为介词，后接名词 /doing，侧重坚持计划、原则、诺言，不轻易改变。固定搭配stick to one's promise 信守承诺；stick to doing sth 坚持做某事 insist on：on 是介词，后接名词/doing，侧重坚持主张、坚决要求。固定搭配insist on going out 坚决要求出去 gradually adv.逐渐地，逐步地，慢慢地 gradually change 逐渐改变 gradually increase/decrease 逐步增加/减少 gradually become … 渐渐变得…… gradual adj.逐渐的，逐步的 gradual change 渐变 gradual development 逐步发展 a gradual rise 逐步上升 grade n.年级，分数，等级；v.分级，划分等级 易混辨析：gradually/slowly gradually：adv.侧重事物的变化过程是循序渐进的，强调状态、程度一点点发生改变，不一定指动作速度慢。 slowly：adv.侧重动作本身执行的速度慢，多指人或物体的动作快慢。 拓展近义词：little by little little by little：短语，一点点地，和 gradually 语义接近，多用于句首或句末，更口语化。 be looking to do sth. 打算/力求/希望做某事，想要设法做某事 用法：主语多是人、公司、机构、团队；多用于一般现在、一般过去，不表示正在进行的动作，这里 looking 已经失去“看”的本义。 例句：Many firms are looking to cut costs. 很多公司力求削减成本。 同义短语：aim to do sth 旨在，力求做某事 seek to do sth 试图 / 设法做某事 intend to do sth 打算做某事 hope to do sth 希望做某事 易混辨析：be looking to do vs look forward to doing be looking to do sth：力求、打算做，to是不定式符号，后接动词原形 look forward to doing sth：期待、盼望做，to是介词，后面接 doing/名词 易混辨析：be looking to do vs be trying to do be looking to do：心里设定目标，计划力求达成，偏向战略、打算，不一定已经付诸行动。 be trying to do：正在努力、尝试做，已经在付诸行动，过程中可能遇到困难。 07 Homework Review the words learned in this class. Preview the content for the next class. See you in the next class! null 82886.805 $