Unit 4 Amazing Science Topic 1 SectionB 课件 2025-2026学年 仁爱科普版（2012）九年级英语上册

Unit4 Amazing Science Topic1 When was it invented? SectionB Let's play a guessing game. 1. A small melon （瓜）grows on a vine（藤）. It blossoms (开花)every night, but the melon never grows. 2. There is a small house without doors. It has only windows. When the light is on, it speaks,laughs and sings. 3. It’s neither a hawk (鹰) nor a wild goose. But it can fly in the blue sky. It can fly ten thousand miles a day, and it is like a bridge in the sky. It’s a light bulb It’s a radio plane=airplane ( )1.He ___play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to ( )2.The red wine ____ grapes. A. is made of B. is made into C. is made from ( )3.This kind of machine ___in 2006. A. is invented B. is made C. was invented ( )4.A(An)___is used for taking photos. A .camera B. Lift C. MP3 player ( )5 .We should spend more time ___because it’s too important. A .to learn English B. learning English C. in English Review 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 ? Self-learning Read 1a and find these phrases: 电灯泡 被某人使用 耐穿的裤子 据说 与...不同 在某人的一生中 搭帐篷 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 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 Invention Inventor Year a. 1926 b. 1876 c. 1885 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. 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 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 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. Homework 完成练习册对应内容 超级玛丽 超级玛丽 A9VG 怀旧游戏音乐精选100 (怀旧游戏音乐精选100), track 2, disc 0 Blues 150106.42 44747.414 74370.055 44747.414 Lavf56.40.101 Coded by New Bilibili Transcoder v2.1 $