人教课标版高中英语选修八 unit3 inventors and inventions warming up and reading PPT课件.ppt

Unit 3,Inventors and inventions,Do you know what are the four inventions in ancient China?,What are they famous for?,Newton,gravity,discovered,Benjamin Franklin,flash is electricity.,discovered,Stephenson,the train,invented,radium,Madame Curie,discovered,Zhang Heng,the seismograph saizmgr:f 地动仪,invented,Discuss in pairs which pictures below show inventions and which show discoveries.,An amphibious car,Stephensons “Rocket”,DNA,An invention is _ _.,A discovery is_ _ _.,already existing in nature but not yet known,finding out something,not existing before,creating something,Whats the connection between discovery and invention?,Discoveries often lead to inventions.,Work out two rules:,Applying for a patent 2. Finding a problem 3. Doing research 4. Testing solution 5. Thinking of a creative solution 6. Deciding on the invention,Look at the list below and work out a suitable order.,Unit 3,The Problem of the Snakes 蛇 的 困 扰,courtyard walnut distinguish merciful product powder perfume stainless,n. 院子；庭院；天井 n. 胡桃；胡桃木 vi. & vt. 显示差别； 使有所不同；辨别 adj. 宽大的；仁慈的 n. 产品 n. 粉末；火药 n. 香水；香味 adj. 无锈的；没有污点的,Words preview,cube cubic abrupt abruptly convenient caution expectation passive,n. 立方体；立方 adj. 立方的 adj. 突然的；意外的 adv. 突然地；唐突地 adj. 便利的；方便的 n. 小心；谨慎 n. 预料；期待；期望 adj. 被动的；消极的； 被动语态的,Words preview,merry merrily seize criterion valid file,adj. 愉快的；高兴的 adv.高兴地；愉快地 vt. 抓住；捉住；夺 n. 标准；尺度 adj. 有效的；确凿的 n. 文件；档案；文件夹 vt. 提交；把归档,Words preview,call up now and then set about,给打电话 偶尔；有时 开始；着手,Expressions preview,Skimming,Reading Comprehension II,How many possible approaches did the author decide on catching snakes? A. Two B. Three C. Four D. Five 2. The writer succeeded in catching the snakes in the _ attempt. A. first B. second C. third D. fourth,Read the passage quickly to find the main idea of each part.,Divide the text into four parts and work out the main idea for each part.,Part I Part II Part III Part IV,(Para.1),The discovery of the problem of the snakes.,(Paras. 2-3),The research on the approaches to solve the problem.,(Paras. 4-6),The attempts to catch the snakes.,(Paras. 7-8),The requirement of getting a patent.,Scanning to get detail information,In this passage, the writer wants to encourage the readers to consider carefully the problems in daily life. The writer was successful in catching the snakes in the second attempt. An inventor can easily get the patent for the invention.,T or F,scanning,Reading Comprehension III,_,_,4. The writer collected the passive snakes at his third attempt. 5. If you have a scientific theory or mathematical model, you can get a patent(专利). 6. If your inventions pass the test, your application for a patent will be published 17 months from the date you apply.,scanning,Reading Comprehension IV,How did the writer catch the snakes? Using something to attract the snakes into a trap. B. Taking their habitat to another place. C. Cooling the snakes so that they became sleepy. D. All the above.,2. What instruments were used for catching the snakes? A. A bowl, ice-cubes, male perfume B. A bowl, a bucket, female perfume C. A small net, ice-cubes, a bucket D. A small net, a bucket, powders,3. The biggest advantage of the writers new idea is that _. A. it makes the snakes move slowly B. it makes the snakes hardly bite us C. it is easier for us to kill the snakes without hurting ourselves D. it is easier for us to catch the snakes without killing them,4. Which statement is true according to the text? A. The snakes were so sleepy in the second attempt that they couldnt bite the writer at all. B. The author and her mother released the snakes quickly after catching them. C. Your product must be different from everybody elses if you want to receive a patent. D. A patent will be published 17 months from the date you apply.,5. According to the text, which subject do you think can be given a patent? A. A new star discovered by a scientist. B. A new novel written by Huo Da. C. A new kind of grass found in a mountain which can be used as a medicine. D. A new way to make dirty water clean.,Find a problem,The snakes must be removed but not harmed,Do research,Look for methods of removal; the habits of snakes,scanning,Reading Comprehension V,The stages in making an invention.,Test the solution several times,Try three times to make it work efficiently,Apply for a patent,This means the solution is recognized,Think of a creative solution,Identify three possible approaches: choose one,Read the passage and answer the following questions:,What was the mother upset about? 2. Why was the writer happy to help her mother? 3. What are the three creative steps that the writer takes to catch the snakes without hurting them? 4. Why did cooling make the snakes less active?,scanning,Reading Comprehension VI,What was the mother upset about? 2. Why was the writer happy to help her mother?,The mother was upset because a family of snakes had made their home near the house.,The writer was happy because it gave her an opportunity to help her mother and invent something to catch the snakes without hurting them at the same time.,3. What are the three creative steps that the writer takes to catch the snakes without hurting them?,Here are the three creative steps that the writer took to trap the snakes by cooling them and making them sleepy so she could catch them. Step 1: She bought a stainless steel ice cream maker and froze the bowl. She added ice cubes to the top of the bowl to keep it cold. She placed it over the snakes,habitat during the day so that the snakes would become sleepy and could be easily caught. Step2: As above she did the same but placed the bowls over the snakes habitat in the evening. Step3: As above but added a net to catch the snakes.,4. Why did cooling make the snakes less active?,Snakes do not have a way of keeping warm in their bodies. They get warmth from the sun and become more active at this time. When the sun goes down at night they cool down and become less active. So extra cooling to the snake would make them even less active and easier to catch.,Skimming to get general ideas,The text narrates the problem of the snakes and presents the procedures of catching them and applying for a patent.,Whats the main idea of the text?,Skimming,Reading Comprehension I,you are able to prove that you are the first person to make the invention; you are recognized as a real inventor; you can make money if you sell your invention to others.,Discuss with your partner what the advantages might be of getting a patent.,Discussion,Apply what weve learned:,In pairs look at the following problems. Choose one and use the scientific stages to design a new invention to solve it. Remember to include one change to your invention in case it doesnt work the first time.,Problem 1: The ripe apples on your apple tree are too high for you to reach. What can you invent to pick the apples in comfort? Problem 2: You need to make a house but you only have strings, glue, fishing nets and many plastic bottles. How can you solve it? Problem 3: You want to catch fish but not hurt them whe