Unit18InventionsSeniorⅡ.docVIP

Unit 18 Inventions(SeniorⅡ) Zhang Yu Period 1 Warming up, listening and speaking Ⅰ Teaching Aims: Talk about inventions. Practise describing inventions. Ⅱ Teaching Focuses: Expressions of describing inventions: Ⅲ Teaching Methods: Listening, speaking and talking. Ⅳ Teaching Aids: A multimedia computer and a tape recorder. Ⅴ Teaching Procedures: Step 1: Lead – in Show the pictures of the four ancient inventions to the students? Ask: What do we need if we want to invent something? ( imagination and creation ) Step 2 : Warming up Describe some objects to the students and ask them to guess what it is. At the same time, get the students to pay attention to the ways of describing an object. . ?This invention is made of metal. ?It is powered by an engine. ?It looks like a bird. ?It makes it possible for people to fly to different places in the world. . 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 trucks at crossing. It has colored lights; red means stop; green means go. Step 3 : Listenting Listen and fill in the blanks to explain why the inventions are not given the patents. Dialogue 1 : 1.Travel without ___, doesn’t need any ___, no ____. 2.It’s powered by the person who use it by pushing it with _______. 3.It is a vehicle with _____ wheels instead of ______. 4.Because the vehicle described by the man has already been invented-it’s a ____. Dialogue 2 1.He invented a device for helping people ____ 2.He got the idea when he saw _____ 3.If you put the bags into a large bucket of ______,the bags will _______ and you won’t have to carry them. 4.Because his idea doesn’t work—you would still have to carry ______! Step 4 : Speaking Now it’s your inventing time. The name of your invention. Show a simple picture. Report the invention to us. Prepare the patent offers’ questions to manage to ask for a patent.