课件27张PPT。新课标高二版.选修八Unit 3Warming upInventors and inventions 1.Some inventors and their inventions. 2.The difference between a discovery and an invention.Warming upIn 1801, Joseph Marie Jacquard made an improvement to the textile loom that used a series of punched paper cards as a template which is regarded as an important step in the development of computers.Fairchild released the Fairchild Video Entertainment System (VES) in 1976. Austrian-Hungarian physicist Julius Edgar Lilienfeld on October 22, 1925the transistorJohn Bardeen, (1908-1991), USA — co-inventor of the transistorAlexander Graham Bell, (1847-1922), Canada, Scotland, and USA — telephone Do you know some more famous inventors and their inventions? Try to make a list of them.2. Which of this pictures show inventions? Does any of them show discoverers?Stephenson’s “Rocket”An amphibious carDNA伽利略的望远镜牛顿制造的反射望远镜X射线广泛用于医学领域谷腾堡发明的印刷机英国钟表匠阿克莱特发明的水力纺纱机3. Work out rules that will help you decide what is discovery and what is an invention?(1) A discovery is A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia.(2) An invention issomething that created by human being, such as the lighting rod. 1. Electricity1. Systems of delivering electrical light and heating to homes and offices 2. Household machines for washing, ironing, keeping food cold, etc 3. Computers, telephones, television, etc2. The movement of air1. Airplane jet engines 2. Air balloons, etc Machines to help people with serious disease (like kidney failure) 3. The circulation of the blood4. X-raysBody scanners to see whether you are ill 2. Machines to treat illnesses (like cancer)4. Now in pairs discuss any modern inventions you know. Describe them to your partner and how useful they are in life today. Preview the 2 reading materials in SB.Homework
~~ 您好，已阅读到文档的结尾了 ~~
