选修8unit3reading.ppt

《选修8unit3reading.ppt》由会员分享，可在线阅读，更多相关《选修8unit3reading.ppt（26页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Inventors Inventors and inventionsand inventionsUnit 3Unit 3Warming upDo you know what are the four inventions in ancient China?compassgunpowderpaper making skilltypographyWhat are they famous for?What are they famous for?NewtongravitydiscoveredBenjamin Franklinflash is electricity.discoveredStephen

2、son the traininventedradiumMadame CuriediscoveredDiscuss in pairs which pictures below show inventions and which show discoveries. An amphibious carStephensons “Rocket”DNAAn amphibious car (2003)This is the first car that can travel safely on water and on land. This is an interesting modern inventio

3、n.Stephensons “Rocket” (1781-1848) George Stephenson was one of the first men to design engines for the railways. It is an invention.The structure of DNAThis was a discovery of Francis Crick and James Watson and published in 1953. A(n) _ is something that was created by human beings not existing bef

4、ore.invention A(n) _is something which already exists but has been found out now.discovery What is an invention and what is a discovery? Discoveries often _ inventions.Inventions are often _ discoveries.The relationship between them:lead tobased on1. Applying for a patent2. Finding a problem 3. Doin

5、g research 4. Testing solution 5. Thinking of a creative solution 6. Deciding on the invention Inventing is a scientific activity and so follows similar stages. Look at the list below and work out a suitable order.ReadingThe Problem Of The SnakesPrevisionWhat does the writer mainly tell us about?A.

6、Introduces what the problem of snakes isB. Tells us how to get patentsC. Introduces what the problem of snake is and her mother wants her to catch them.D. Introduces her idea of trapping the snakes and her application for a patentFast readingFind out which paragraph or paragraphs deal with each inve

7、nting steps.The structure of the textThe structure of the textfind out which paragraph or paragraphs deal with each inventing steps.ParagraphStagesFind a problemDo researchThink of a creative solution Test the solutionApply for a patent1234,5,67,8Para.Para. Stages Stages Examples in this storyExampl

8、es in this storyFind a problemThe snake must be _but not_.Do researchResearch the _ of snakes.Think of a creative solutionIdentify _ possible approaches and choose_.Test the solution several timesTry_ times to make it work_.Apply for a patentThis means the solution is _.caught harmedhabits124,5,67,8

9、3threeEfficiently/successfullyrecognizedthreeoneCareful readingPart 1 (Para 1) The mother was upset because a family of snakes had made their home in their courtyard.The writer was happy because it gave her a chance to distinguish herself by inventing something merciful that could catch snakes but n

10、ot harm them. Part 2 (Para2)1.How did the writer do the research? She researched the habits of snakes. 1. Why did cooling the snakes make them less active? A. Because snakes are warm-blooded animals.B. Because snakes like high temperature.C. Because snakes are cold-blooded animals and they usually h

11、ibernate(冬眠冬眠) in winter.Part 3 (Para3)2.The writer decided to catch the snakes in _ possible approach . A. the first B. the second C. the third D. every3. _ wasnt used for catching the snakes in the writers original plans.A.a bowl B. ice-cubes C. perfume D. a small net to put the frozen bowl over t

12、he snakes habitat _.to put the frozen bowl over the snakes habitat _. to put the frozen bowl over the snakes habit _and carry_ to collect the snakes without harming them the next morning.in the morningin the eveningin the eveninga netPara4 ( Para 4-6)(1). Only a scientific theory or mathematical mod

13、el can be applied for a patent.(2). The criteria of your patent is hard to get because it must be creative.(3) If your inventions passes the test, your application for a patent will be published 17 months from the date you apple.What does the sentence “Youll know if I succeed by the size of my bank

14、balance!” mean?Part 4 (Para 7&8) True or FalserecognizedDiscuss with your partner what qualities does an inventor need?curious patient imaginative determinedchallenging adventurous enthusiastic persistent hard-workingSummarySummarycalled upnow and thendistinguishmercifulset aboutapproachesexpectation passivemerrily seize