选修8unit3reading_961744.ppt

1、Inventors and inventions,Unit 3,Warming up Do you know what are the four inventions in ancient China?,compass,gunpowder,paper making skill,typography,What are they famous for?,Newton,gravity,discovered,Benjamin Franklin,flash is electricity.,discovered,Stephenson,the train,invented,radium,Madame Cur

2、ie,discovered,Discuss in pairs which pictures below show inventions and which show discoveries.,An amphibious car,Stephensons “Rocket”,DNA,An amphibious car (2003),This is the first car that can travel safely on water and on land. This is an interesting modern invention.,Stephensons “Rocket” (1781-1

3、848),George Stephenson was one of the first men to design engines for the railways. It is an invention.,The structure of DNA,This 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 before.,invention,A(n) _is some

4、thing which already exists but has been found out now.,discovery,Discuss in Groups,What is an invention and what is a discovery?,Discoveries often _ inventions. Inventions are often _ discoveries.,The relationship between them:,lead to,based on,Applying for a patent 2. Finding a problem 3. Doing res

5、earch 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.,Reading,The Problem Of The Snakes,Prevision,What does the writer mainly tell us about? A.

6、Introduces what the problem of snakes is B. Tells us how to get patents C. 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 patent,The structure of the text find out which paragraph or paragraphs d

7、eal with each inventing steps.,1,2,3,4,5,6,7,8,caught,harmed,habits,1,2,4,5,6,7,8,3,three,Efficiently/successfully,recognized,three,one,Careful reading,Part 1 (Para 1) 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

8、 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 not harm them.,Part 2 (Para2) 1.How did the writer do the research?,She researched the habits of snakes.,1. Why did cooling the sn

9、akes 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 hibernate(冬眠) in winter.,Part 3 (Para3),2.The writer decided to catch the snakes in _ possible approach . A. the first B. the s

10、econd C. the third D. every 3. _ wasnt used for catching the snakes in the writers original plans. a bowl B. ice-cubes C. perfume D. a small net,What are the three creative steps that the writer takes to catch the snakes without hurting them?, to put the frozen bowl over the snakes habitat _. to put

11、 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 morning,in the evening,in the evening,a net,Para4 ( Para 4-6),(1). Only a scientific theory or mathematical model can be applied fo

12、r 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 balance!” mean?,P

13、art 4 (Para 7&8) True or False,She can make money if her patent is recognized.,Discussion:,Discuss with your partner what qualities does an inventor need?,curious patient imaginative determined challenging adventurous enthusiastic persistent hard-working,When I my mother on the phone she was very up

14、set, because some snakes came near her house . I thought it was a chance for me to myself by inventing something that would get rid of the snakes. I researching the habits of snakes to find the easiest way to trap them. Finally I decided on three possible . My first two attempts both failed, so I had to improve my design again. To my great delight, this time I succeeded. All was in and at last I collected the snakes and released them all back into the wild. Pressed by my friends and relations, I decided to the opportunity to get recognition for my successful idea by sending my in