Unit3InventorsandinventionsReading课件优质公开课人教选修8.ppt

1、Discuss in pairs which pictures show inventions and which show discoveries.An amphibious car Stephensons“Rocket”DNAWork out the rules that will help you decide what a discovery is and what an invention is.1)A discovery is A discovery merely makes known something that already exist in nature,such as

2、the discovery on the New Continent by Columbia.2)An invention is An invention is something that created by human being,such as the lighting rod.What are the important inventions of the 20th century?Which do you think is the most important one?Thomas Edison invented the electric bulb.Did Edison inven

3、t electricity?Can electricity be invented?Is electricity an invention or discovery?Why?Give your examples of each category and fill in the blanks.Work out the connections between them.DiscoveriesInventions1.Electricity1.Systems of delivering electrical light and heating to homes and offices2.Househo

4、ld machines for washing,ironing,keeping food cold,etc.3.Computers,telephones,television,etc.DiscoveriesInventions2.The movement of air1.Airplane jet engines2.Air balloons,etcMachines to help people with serious disease(like kidney failure)3.The circulation of the bloodDiscoveriesInventions4.X-rays1.

5、Body scanners to see whether you are ill2.Machines to treat illnesses(like cancer)Discoveries often lead to inventions.In pairs discuss any modern inventions you know.Describe them to your partner and explain how they changed peoples lives.television 1923 colour television 1940photocopier 1937air co

6、nditioner 1902electronic digital computer 1946Atomic bomb 1945Credit cards 1950Penicillin 1928 Do you know the stages every inventor must go through before they can have their invention approved?Inventing is a scientific activity and so follows similar stages to those used in scientific research.Loo

7、k at the following list and work out a suitable order.1.Applying for a patent2.Finding a problem 3.Doing research 4.Testing the solution 5.Thinking of a creative solution 6.Deciding on the invention The problem of the snakesThe text is mainly about the authors experience in helping her mother get ri

8、d of the _ and applying for the _ for her invention.snakespatent Read the text quickly and complete its main idea.Divide the passage into several parts and find out the main idea for each paragraph.Part 1(para.1)the discovery of the problem of the snakesPart 2(para.2)Doing some research about the ha

9、bits of snakesPart 3(para.3)Deciding on the solutionPart 4(para.4-6)the attempts to catch the snakesPart 5(para.7-8)the requirements of getting a patentRead the text carefully and fill in the blanks.Finding a problemSnakes came near my mothers house now and then and she wanted me to get rid of them

10、without _ them.Doing researchI set out to research the _ of snakes to find the easiest way to trap them.harminghabitsThinking of a creative solutionThree possible approaches:removing the snakes _ attracting the snakes into a _ using male or female perfume or food _ the snakes so that they would beco

11、me sleepy and could be easily caughtI decided to use the _ approach.habitattrapcoolinglast/thirdTesting the solutionThree attempts:putting the frozen bowl over the snakes habitat early in the morning putting the frozen bowl over the snakes habitat _ putting the frozen bowl over the snakes habitat in

12、 the evening and carrying a small _ to collect them the next morningThe third attempt was a success.in the eveningnetApplying for a_ The patent office makes a search to check that your product really is _ from everyone elses.Patent examiners examine whether your claim is _ or not.Your application fo

13、r a patent will be published _ months from the date you apply if your claim passes all the tests.patentdifferentvalid181.How did the writer catch the snakes?A.using something the snakes were interested to attract them into a trap.B.taking their habitat to another place.C.placing the snakes at a low

14、temperature for them to sleep and then caught them.D.All the above.CRead the text carefully and choose the best answer.2.The writer was successful to catch the snakes in _ attempt.A.the first B.the second C.the third D.everyC3.The following are used in the three attempts EXCEPT _.A.perfumeB.a bowl C

15、.jelly D.ice-cubesA4.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 reptiles and their body temperature depends on the heat around them.C5.Which of the following may get a patent according to the

16、text?A.A computer programme.B.A new animal variety.C.A work of literature.D.A truly novel and useful invention.D6.The purpose in writing this text is _.A.to show us how to trap the snakes but not to kill themB.to tell people how to apply for a patent of the writers new ideaC.to introduce the writers

17、 new idea of trapping the snakes and her application for a patentD.to tell the readers how to get a new idea and make it a patentC7.The biggest advantage of the writers new idea is that _.A.it makes the snakes move slowlyB.it makes the snakes hardly bite usC.it is easier for us to kill the snakes wi

18、thout hurting ourselvesD.it is easier for us to catch the snakes without killing themD8.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.Your product must be different from everybody elses if you want to receiv

19、e a patent.C.The writer decided to send her invention to the patent office the moment she succeeded in catching the snakes.D.If an application for your product proves to be valid,you can get a patent immediately.BThe mother was upset because a family of snakes had made their home near the house.1)Wh

20、at was the mother upset about?Read and answer the questions.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.2)Why was the writer happy to help her mother?3)Why did cooling make the snakes less a

21、ctive?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.1.Whats the writing

22、 purpose of the writer?2.What should we learn from this text?1.Whats the writing purpose of the writer?The writer wants to inform us of the scientific methods to solve present problems so that we students can not only broaden the horizons but become more skilled in discovering and considering carefu

23、lly the problems in daily life.We are also encouraged by the writer to be creative and hardworking as well as thinking independently.2.What should we learn from this text?We can learn from the text the way of doing scientific researches and how to apply for a patent.We can also learn that it takes a

24、n inventor great determination persistence to achieve his or her ambition in life.Apply what we learn: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 fir

25、st 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 when you do so.Design a fishing rod that will solve this problem.Write a passage about how to apply for a patent?Thanks!