Unit 4 Amazing Science Topic 1 When was it invented? SectionB 课件 2024-2025学年仁爱科普版英语九年级上册

Unit 4 Amazing Science Topic 1 When was it invented? SectionB 1 New words and expressions blub n. 电灯泡 airplane n. 飞机 hard-weaing adj. 耐磨的 Korea n. 朝鲜；韩国 At the end of the class, you will be able to use “was/were done” to introduce some inventions, like their inventors and when they were invented. know about the history of some inventions and be more interested in inventing. use some listening techniques to get specific information. Learning Objectives Watch a video Questions 1.What is this video about? The Four Great Inventions. P83-1b Look and Guess Where are Michael and Jane? In the science museum. At the school library. In the zoo. In the park. 2. Which object is not mentioned in the conversation? Light bulb. Airplane. Television. Radio. Listen and Check Where are Michael and Jane? In the science museum. At the school library. In the zoo. In the park. 2. Which object is not mentioned in the conversation? Light bulb. Airplane. Television. Radio. P82-1c Listen and Fill in the table Invention Inventor Year light bulb Guglielmo Marconi 1903 Thomas Edison 1879 radio 1875 airplane Wilbur & Orville Wright Michael: Look, a light bulb! Jane: Yeah. It is widely used by people everywhere. Do you know when it was invented ? Michael: It was invented in 1879. Jane: Who invented it? Michael: Thomas Edison. It’s said that he invented more than two thousand things during his life. is widely used by 被广泛使用 主句+疑问词+陈述句语序 宾从 It’s said that 据说/报道 It’s said / reported that +从句 more than =over during his life Key Points Thomas Edison /ˈtɒməs ˈedəsən/ https://www.ypppt.com/ 9 Key Points Jane: What about the radio? Michael: The radio was invented by Guglielmo Marconi in 1895. Jane, let’s go this way. Look! An airplane, but it’s different from today’s. Jane: Yes. It was invented by Wilbur and Orville Wright in 1903. What about let’s go this way 我们走这边。 it’s different from 与…不同 today’s 名词所有格 be the same as be the similar to be different from Read and Remember 1. 被广泛使用 be widely used by sb 2. 在某年/某地被发明 be invented in … 3. 被某人发明 be invented by sb 4. 据说/报道 It’s said / reported that +从句 5. 多于 more than = over 6. 在某人生命中 during one’s life 7. 不同于 be different from Jeans 1: When were they produced first ? 2: What were they made of ? They were made of the brown cloth. In 1855. P84-2 Fill in the blanks 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 一般过去时 was/were done 一般现在时 am/is/are done 耐磨的 为…设计的 摸起来更舒服 A. Karl Benz C. Alexander Graham Bell B. John Baird Invention Inventor Year a.1926 b.1876 c.1885 3 Listen to the three passages. Match the pictures with the following information. ` A:What’s this ? B:It’s … A:When was it invented ? B: It was invented in … A: Who invented it ? B:It was invented by … Practice be invented in＋year 某物在某年被发明... be invented by＋sb 某物被某人发明... Karl Benz 1885 Alexander Graham Bell 1876 John Baird 1926 Pattern：助动词be＋动词的过去分词 am/is/are ＋动词的过去分词(一般现在时的被动语态） was/were＋动词的过去分词(一般过去时的被动语态） will be＋动词的过去分词(一般将来时的被动语态）... Practice 1.这辆车是由中国制造。 2.运动会将在下周举行。 3.很多房子在战争中受到了破坏。 4.孩子们不被允许在草地上玩耍。 Many houses were destroyed in the war. The car in China. The sports meet next week. Children are not allowed to play on the grass. is made will be held 被动语态 rocket cotton hospital model satellite camera laptop plastic 4a Read the following words. Listen and check the vowels. 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. 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. be done (by) C C C B VINTAGE VINTAGE 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(过去式的被动语态） Do you know when it was invented? It was invented in 1879. ..... 2.Talk about the inventors of some great inventions. summary and homework Thankyou 44747.414 74370.055 21159.2 17345.234 $$