2013人教版八年级英语下册unit10课件.ppt

* * * Unit 4 Topic 2 Section B By Zeng Weimin MP3 player/1998 / Korea/listen to music What’s this in English? When was it invented? Where was it invented? What’s it made of / from…? What’s it used for…? digital camera /1975/America/ plastic/ take photos Light bulb Thomas Edison（爱迪生） radio airplane guglielmo Marconi古尔亚莫.马克尼 Wilbur and Orville Wright 莱特兄弟 When were they invented? Do you want to know? Guglielmo Marconi light bulb Year Inventor Invention Thomas Edison 1879 radio 1895 airplane Wilbur and Orville Wright 1903 listen again and underline the language points (Michael, Jane and their classmates are visiting the Science Museum) Michael: Look, a light bulb! Jane: Yeah. It is widely used in our daily life. Do you know when it was invented? Michael: It was invented in 1879. Jane: Who invented it ? Michael: Thomas Edison. It’s said that Edison invented more than one thousand things during his life. 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. listen again and underline, then speak(分组比赛） after match ,explain the important language points I think (Michael, Jane and their classmates are visiting the Science Museum) Michael: Look, a light bulb! Jane: Yeah. It is widely used in our daily life. Do you know when it was invented? Michael: It was invented in 1879. Jane: Who invented it ? Michael: Thomas Edison. It’s said that Edison invented more than one thousand things during his life. 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. everyday inventor/invention（造句） in in+时间/地点 by+执行者 据说（make a s