Inventions,By Su Yongchao No 1 Middle School, Taishun,Unit 18 Speaking,Who are they,Cai Lun,Edison,Watt,Bi Sheng,Wright brothers,What do they have in common,They are inventors,What do inventors have in common,Qualities of successful inventors,Keep an open and curious mind about the world around them. Collect as much information as possible about an idea, a problem, or a future invention. Use trial and error as they engage in problem solving. Improve upon an idea or design after finding a solution. Be devoted, determined, and optimistic,What is an invention,An invention is something produced for the first time through the use of imagination or thinking and experiments,The steps of inventing,Step I Learning About Inventors Step II Finding an Idea Step III Researching and Planning Step IV Developing and Testing Step V The Invention Conference,How much do you know about inventions and inventors,Each number represents its difficulty of guessing,This invention is made of metal. 50 This invention looks like a bird. 40 It makes it possible for people to fly to different places in the world. 30 It is powered by an engine and is flown by a pilot. 20,Airplane,Guess the invention by listening to the following information. Part 1 60 Part 2 50 Part 3 40 Part 4 30,This is an invention which can help people in the streets, especially in the big cities,Sometimes, it looks like a tree standing beside the street,It directs cars and trucks at crossing,It has colored lights; red means stop; green means go,Traffic light,This invention can help people do some daily work. 70 It is helpful for housewives. 60 The machine can move around something that you put into it. 50 It needs soap and water to wash something in it. 40,Washing machine,It allows you to get a likeness of an object. 80 When you press a button, it works. 70 When a flash happens, it will copy a scene onto a film. 60 When the film is developed, the scene you copied appears on a paper-like thing. 50,Camera,He was a world-famous inventor. 90 Here is one of his photo. 80 He was a Swedish(瑞典人). 70 He invented dynamite . 60,dynamite,Alfred Nobel,The invention looks like a chair. 100 It has a pipe through which the waste can go. 90 People use it to get rid of waste in their bodies . 80 It is usually made of china these years. 70,Toilet,This invention can help people It looks like Its made of It will make it possible for people to This is a new way of. Maybe it works like. People will use it to,Useful expressions,More inventions,Discuss in groups of four about how to describe the invention with four sentences for others to guess, using the following expressions,This invention can help people It looks like/ Its made of It will make it possible for people to This is a new way of. Maybe it works like. People will use it to,Useful expressions,Who is the winner,Read through the ideas in P58 and think about,What changes might it bring to our life? Is it practical nowadays,Necessity is the mother of invention,In your daily life or during the study, what inconvenience have you met? What would you like to improve,Pair discussion,Researching and Planning,Task,Work in groups of four, first discuss the details of the invention which your group will do. Then fill in a form about your invention in order to show to a patent officer and at a conference,Patent Application Question Form,Invention Conference,2006,FOR MIDDLE SCHOOL STUDENTS,Instructions,Some groups will show their inventions. 4 students will be the patent officers to ask questions or make comment. All will decide which is the best invention at the end,Invention Conference,FOR MIDDLE SCHOOL STUDENTS,Summary,Imagination and creativity are the motive forces of a nations development,Invention,Lets keep an eye on,Any way, the 21st century is in our hands,Homework,Write the complete document of your invention after class. Preview the reading passage with the following question: What are the meanings of the five titles,Thank you,Thank you,dynamite