Unit4 Topic1 SectionB 课件-2025-2026学年仁爱科普版（2012）九年级英语上册

该初中英语课件围绕“发明及其相关信息”展开，涵盖发明类词汇、短语及一般过去时被动语态，通过猜谜游戏（如手机、相机）导入，过渡到听力、阅读中的具体发明案例（灯泡、无线电、飞机），帮助学生构建发明信息与语法知识的联系。 其亮点在于通过多样化活动（猜谜、对话、填表、匹配）提升语言运用能力，涉及多国发明（如中国纸、美国灯泡）培养文化意识，信息提取与逻辑匹配锻炼思维品质。采用任务型教学法，学生在互动中提升语言能力和合作学习能力，教师可借助分层作业和小组竞赛优化教学效果。

Unit4 Amazing Science Topic1 When was it invented? SectionB 科普版仁爱英语九年级上册 Review Let's play a guessing game. Guess the inventions! You can just stand up and say out your answers. If you are right ,you can get 1 point. What is it? It is made of plastic. It is very small and you can put it in your pocket. It was made in America in 1973 first. It is used for communicating. You can also use it to call your friends, listen to music, play games and so on. It is made of metal and plastic. It was first made in America around 1975. When we travel, we usually take it with us. It is used to take photos. What is it? It is very thin and light. It was first made in China in Han Dynasty(汉朝). It is made from wood. It is used for writing on. What is it? It is made of metal and glass. It was made by Thomas Edison first. When the room is dark, we can use it to make the room bright. What is it? light bulb Do you know more about light bulbs ? 1b Listen to 1a and choose the correct answers. ( ) 1. Which object（物品） is not mentioned in the conversation ? A. Light bulb. B. Airplane. C. Television. D. Radio. ( ) 2. How many things did Thomas Edison invente during his life? A. More than 2000. B. Less than 2000. C. More than 200. D. Less than 200. ( ) 3. Where are Michael and Jane? A. In the science museum. B. At the school library. C. In the zoo. D. In the park. A A C 1c Read 1a and complete the table. Invention Inventor Year light bulb Thomas Edison 1879 radio Guglielmo Marconi 1895 airplane Wilbur and Orville Wright 1903 be invented by +sb be invented in+year 被某人所发明 在某年被发明 某物品是在过去某个时间被发明的,所以通常会用： was/were invented 宾语从句 陈述语序 据说 Read and underline passive voice(被动语态). Can you get the information about light bulb now? The light bulb _____ widely ______ by people everywhere today. It _____ invented _____ 1879. It was invented _______ Thomas Edison. _____ ______ _____ _____ he invented more than two thousand things during his life. is used was in by It is said that Do you know how jeans were invented? A: When were the jeans produced first ? B: … A: What were they made of ? B: … A: What do you think of them? B: … How blue jeans were invented? 2.Fill in the blanks with the proper forms of the given words. The first jeans were produced in 1855. At that time, they _____________(not call) jeans and they were just hard-wearing pants designed for workers. The pants__________(make)of the brown cloth. This kind of cloth _____ usually_____(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles ________ also ________(create). They__________(design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. weren't called were made was used are created are designed adj. 耐磨的 Invention Inventor Year a. 1926 b. 1876 Make conversations like this: A: When and where was ... invented? B: It was invented in年份in国家. A: Who was it invented by? B: It was invented by .... 3 Listen to the three passages. Match the pictures with the following information. Because of so many great inventions, our life becomes much easier and more comfortable. Project Invention Material Usage Year Country Place Inventor Something else 3D printed building plastic decorate 2017 China Quanzhou No.1 Middle School Wang Zhihan I think it is... CASTIC (China Adolescents Science & Technology Innovation Contest) 3D printer 3D打印机 3D printed building Talk about an introduction of an invention. Tips: be made of/from... be used for doing/to do... be invented by+ sb. be invented in+year/place Invention Inventor Material Usage Year Country Something else You may start like this: ... is/was one of the greatest inventions... it is said that... I think... Can you name other inventions that changed the world? WeChat Zhang Xiaolong Think about the characteristics(特点) of an inventor. + + = new venturesome open-minded resolute + inventor n vent r maginative 新颖的 大胆的；好冒险的 思想开明的 富于想象的； 有创造力的 o 坚决的 i 4a Read the following words. Listen and check the vowels. rocket cotton hospital model satellite camera laptop plastic 4b Listen and read the following sentences aloud, paying attention to the stress and intonation. Then use the words in 4a to make up similar conversations. A: `When was the `digital camera `developed? B: It was `developed in the `1970s. A: Is the `digital camera `developed in `Korea? B: `No. A: `Where was it `developed? B: It was `developed in `Japan. The light bulb is w______ used by people everywhere. Thomas Edison i____________ the light bulb in 1879. It’s s______ that he invented more than two thousand things during his life. The airplane was invented by Wilbur and Orville Wright in 1903. It’s d___________ form today’s. Exercises idely nvented aid ifferent Summary We learn: 1. Some words: bulb, airplane, hard-wearing, Korea 2.Some phrases: be used by, more than, be different from 3. Some sentences: It’s said that he invented more than two thousand things during his life. We can: 1.Use the simple past passive voice: Do you know when it was invented? It was invented in 1879. 2.Talk about the inventors of some great inventions. Which group is the winner? Lavf56.40.101 Coded by New Bilibili Transcoder v2.1 Lavf57.62.100 $