Unit 5 Power of Ideas（第2课时）Section A 3a-3d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“无线电发明”展开，核心知识点为运用过去时被动语态提取发明的四要素（What+Who+When+How）。课堂导入通过“发明名人堂”提问和马可尼图片激发兴趣，学习支架涵盖对话阅读提取信息、完成图表梳理要点、复述文本强化表达、角色扮演提升语感，帮助学生循序渐进掌握语言技能。 其亮点在于融合思维品质（分析无线电对信息传播、音乐等领域的影响，评价发明价值）、文化意识（理解发明连接世界的作用，感悟人类进步）和学习能力（制作思维导图描述其他发明如飞机、电话）。通过音频听力、角色扮演强化语言运用，四要素结构化小结助力系统掌握描述方法。学生能提升语言表达与逻辑思维，教师可高效开展读写说综合教学。

Unit5 Power of ideas What do creative ideas bring about? Section A (3a-3d) Thinking Quality Learning Ability Cultural Awareness Language Ability Learning Objectives Extract key info about inventions using wh-questions and passive voice in past tense. Appreciate how inventions connect the world and understand their role in human progress. Complete a fact chart and use it to describe an invention’s history and impact. Analyze how the radio changed the world and evaluate what makes an invention useful. If there were an “Invention Hall of Fame”, which invention do you think should be in it? Why? What can you see from the picture? 伽利尔摩・马可尼 Guglielmo Marconi /ɡʊˈljɛlmoʊ mɑːrˈkoʊni/ the earliest wireless telegraph 最早的无线电报机 Read the conversation. What does Peter think is the most useful invention of all time? 3a Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. have to be + 名词 必须是/成为... What does “radio” refer to here? VS Read again and complete the chart. 3b radio Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. Who’s the inventor? Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. When was it invented? Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. How did it change the world? ① ② ③ ④ Read again and complete the chart. 3b radio An Italian called Guglielmo Marconi. Developed the idea in the 1890s; first radio message across the Atlantic in 1901 made the world much smaller spread news in seconds led to other inventions like TV had a big effect on music Retell the text! The invention is the radio. It was invented by ..., an Italian inventor. The idea was developed in the ... In ..., the first radio message was sent across ... It changed the world because ... Listen to the conversation and pay attention to how the key information is stressed. Then role-play the conversation. 3c Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. How to talk about an invention? Fu Xing: What do you think is the most useful invention of all time, Peter? Peter: It has to be the radio. Fu Xing: The radio? Why? Peter: Before the radio was invented, information travelled very slowly. The world was made much smaller by the radio. Suddenly, news could be spread around the world in seconds. Fu Xing: Right. Who was the inventor? Peter: An Italian inventor called Guglielmo Marconi. He developed the idea in the 1890s. In 1901, a radio message was sent across the Atlantic Ocean for the first time. Fu Xing: Wow! That was quite a distance at that time. Peter: Yeah. And because of the radio, some other important inventions were developed as well. Fu Xing: Like the television? Peter: That's right. It also had a big effect on music. The radio made it much easier for people to enjoy music from artists around the world. invention(what) effect(why/how) inventor(who) invented time(when) effect(why/how) Four Elements of Describing an Invention: What + Who + When + How (effect) Choose another invention you think is the most important and make a mind map about it. Then describe it to a partner. 3d I think ... is the most useful invention. It was invented by ... It was invented in ... It changed the world because ... Four Elements of Describing an Invention: What + Who + When + How (effect) influenced 1. . It also had a big effect on music.. effect /ɪˈfekt/n. 效果；作用；影响 have an effect on 对…… 产生影响； take effect 生效； come into effect 开始实施 相关词形： affect v. 影响；使改变（动词） effective adj. 有效的；起作用的 effectively adv. 有效地；实际上 effectiveness n. 有效性；效用 单词 核心区别 effect 侧重事物带来的客观结果、实际效果，名词； 固定搭配 have an effect on influence 侧重潜移默化、长期的思想 / 性格层面的熏陶、感化，可作名词 / 动词 impact 侧重冲击力强、巨大深远的重大冲击、强烈影响，程度比 effect 更强 辨析：effect, influence和impact 一、选用方框中的短语填空（每个限用一次） was invented was spread was sent had a big effect on developed the idea 1. The radio ____________________ in the 1890s by Guglielmo Marconi.   2. Before the radio, news ____________________ very slowly.   3. In 1901, a radio message ____________________ across the Atlantic Ocean for the first time.   4. The radio ____________________ music because it made it easier to enjoy songs from around the world.   5. Marconi ____________________ of using radio waves for communication.   was invented was spread was sent had a big effect on developed the idea 二. 单项填空 (  ) 1. The first airplane ______ by the Wright brothers in 1903, which opened the era of human flight. A. invents B. invented C. is invented D. was invented (  ) 2. The math competition was very difficult, but Tom worked it out ______ with his excellent skills. A. in seconds B. on time C. by chance D. in person (  ) 3. — Excuse me, could you tell me the ______ from here to the nearest subway station? — Sure. It’s about 500 meters. You can walk there in 5 minutes. A. price B. weight C. distance D. height (  ) 4. Lack of sleep _____ your ability to concentrate, and this bad habit has a negative ______ on your study. A. affects; affects B. effects; affects C. affects; effects D. effects; effects (  ) 5. — I think the Internet is the most important invention in human history. — ______. It has completely changed the way we live, work, and communicate. A. I don’t agree B. I’m not sure C. That’s right D. Never mind Unit5 Power of ideas What do creative ideas bring about? Section A (3a-3d) 星越教育 null 63554.6 $