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1、Unit 3 Inventions and inventors 人教版选修八人教版选修八Warming up:In groups, discuss the inventions you know and then make a list.Do you know what these inventions are and when did they happen?Telephone 1876television 1923 colour television 1940photocopier 1937air conditioner 1902electronic digital computer 19
2、42Atomic bomb 1945Credit cards 1950Penicillin 1928Among the inventions above, which invention do you think is the most important one? Why?What is an invention?An Invention is something that is created by a human being. Inventing is a scientific activity. What is a discovery?A discovery merely makes
3、known something that already existed in nature.Look at the pictures below and discuss in pairs which pictures show inventions and which show discoveries. Pre-reading I (4m)An amphibious car(2003)This is the first car that can travel safely on water and on land. When moving on water, the wheels of th
4、e car turn sideways and move into the body. The underneath of the car is strong enough to sail as a boat. It is a prototype and is not yet being produced for sale. This is an interesting modern invention.Stephensons “Rocket” (1781-1848) George Stephenson was one of the first men to design engines fo
5、r the railways which were new at that time. One of the first tracks to be laid was between Stockton and Darlington. Stephenson was one of the first railway engineers and in 1825 he drove the first train along the line.The structure of DNAThis was a discovery of Francis Crick and James Watson and pub
6、lished in 1953. These two scientists were the first to show that our genes consist of two spirals of DNA (called the double-helix). This work led directly to the human genome project in 2003, which discovered the Structure of DNA.Do you know the stages every inventor must go through before they can
7、have their invention approved? Inventing is a scientific activity and so follows similar stages to those used in scientific research. Look at the list and work out a suitable order.Applying for a patent Finding a problem Doing research Testing the solution Thinking of a creative solution Deciding on
8、 the inventionPre-reading II (3m)The suitable order:Finding a problemDoing research Thinking of a creative solutionTesting the solutionDeciding on the inventionApplying for a patentPatent office (专利局专利局) plays the role of deciding what is an invention and what is not. And only inventions can get pat
9、ens and so be recognized and protected.patentsReadingThe problem of the snakesSkim the whole passage and get the main idea:The text narrates _ and presents _ and applying for _.the problem of the snakes the procedures of catching them a patentReading-I(3m)Divide the text into four parts and work out
10、 the main idea for each paragraph.Part I Part IIPart IIIPart IV(Para.1)The discovery of the problem of the snakes.(Paras2-3) The research on the approaches to solve the problem.(Para. 4-6)The attempts to catch the snakes.(Para.7-8) The requirement of getting a patent.Reading II (5m)Scanning: Find ou
11、t which paragraph or paragraphs deal with each inventing process in the passage and find the examples:Reading III (7m)paragraphStages Examples in this storyFind a problemThe snake must be _but not_Do researchLook for _ of removal; the _ of snakesThink of a creative solutionIdentify _ possible approa
12、ches: choose_.removedharmedmethodshabitsthreeone123Test the solution several timesTry_ times to make it work_Apply for a patent4,5,67threeefficientlyFill in the form and filed patent application with the Paten OfficeMatch the different writing characteristics with each writing styles:Formal language
13、 with few adjectives, not emotional, factualVivid use of words with similes and metaphors, emotional to describe atmosphere, not factual but imaginativeCreative writing/ story Description ReportrecountReading (3m)Vivid use of language and more informal style, imaginative but can be based on factNot
14、use vivid or emotive language and sticks to the facts. It is clearly set out and follows the framework for the inventing processCreative writing/ story Description ReportRecountApply what we learn:In pairs look at the following problems. Choose one and use the scientific stages to design a new inven
15、tion to solve it. Remember to include one change to your invention in case it doesnt work the first time.After-reading (10m)(This can be done after class.)Problem 1: the apples growing on your apple tree are too high for you to reach them. What can you invent to pick your apples in comfort?Problem 2
16、: You need to make a house but you only have fishing nets and many plastic bottles. How can you solve it?Problem 3: You want to catch fish but not hurt them when you do so. Design a fishing rod that will solve this problem.Assignment1.Go over the whole passage.2.Recite the key sentences in the text.3.Prepare for Learning about Language in the textbook.
