选修8unit3课件 (2).ppt

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1、Unit 3 Unit 3 Inventors and inventionsInventors and inventionsWarming Up&ReadingWarming Up&ReadingDo you know any inventors and inventions?Why are they famous?Issac NewtongravitydiscoveredBen FranklinLightning is electricitydiscoveredWhy are they famous?Thomas Edison invented the electric bulb.radiu

2、mMadame CuriediscoveredWhy are they famous?Zhang HengseismographinventedWhy are they famous?Difference between discovery and inventionA discovery is_An invention is_ creating something not existing before.finding out something existing but not yet knownColumbus the New ContinentIts _ a discovery.Mar

3、.15,1493Please tell whether the following are discoveries or inventions.An amphibious carAn amphibious carIts _ an invention.水陆两用汽车水陆两用汽车StephensonStephensons s“RocketRocket”Its _ an invention.DNAIts _ a discovery.DiscoveriesInventionselectricitythe movement of air the circulation of the blood X-ray

4、selectrical light,computers,telephones,television,etcconnection between discovery and inventionairplane,air balloons,etcmachines to help people with serious diseasemachines to treat illnesses(like cancer)connection between discovery and invention？Discoveries often lead to inventions.Inventions are o

5、ften based on discoveries.stages every inventor must go throughApplying for a patentFinding a problemDoing researchTesting solutionThinking of a creative solutionDeciding on the invention1._2._3._4._5._6._Patent office(专利局专利局)plays the role of deciding what is an invention and what is not.And only i

6、nventions can get patens and so be recognized and protected.patentsLook at the pictures,what inventions can you think of?ReadingThe problem of the snakesskimmingWhat is the text about?The text is about _ and presents _and applying for _.the problem of the snakes the procedures of catching them a pat

7、entSkimming1.The purpose of the text is _.A.to show us how to trap the snakes butB.not to kill themB.to tell people how to apply for a patent of the writers new ideaC.to introduce the writers new idea of trapping the snakes and her application for a patentD.to tell the readers how to get a new idea

8、and make it a patentCScanning:Find out which paragraph or paragraphs deal with each inventing process in the passage and find the examples:paragraphStages Examples in this storyFind a problem_ snakes but not _ them.Do researchLook for _ of trap;research the _ of snakesThink of a creative solutionDec

9、ide on _ possible approaches:choose_.Catchharmapproaches habits threeThe last one123Reading III(7m)Reading III(7m)Test the solution several timesTry_ times to make it work successfully.Deciding on the invention_the opportunity to get _ for the idea.Apply for a patent4,5,67threeFill in the _ and file

10、d patent application with the_8formPatent OfficeSeizerecognition1.How did the writer catch the snakes?A.use something the snakes were interested to attract them into a trap.B.take their habitat to another place.C.place the snakes at a low temperature for them to sleep and then catch them.D.All the a

11、bove.CComprehending3.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.C2.The writer was successful to catch the snakes in _ atte

12、mpt.A.the First B.the second C.the third D.everyC4.Which statement is the 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 receive a patent.C.The writer decided t

13、o 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.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 n

14、ovel written by Yao Ming.C.A new way to make dirty water clean.D.A new kind of grass found in a mountain which can be used as a medicine.CDetailed reading:Answer the following questions:1.What was the mother upset about?2.Why was the writer happy to help her mother?3.What are the three creative step

15、s that the writer takes to catch the snakes without hurting them?4.Why did cooling make the snakes less active?+Reading IV(5m)Reading IV(5m)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 made their home near the hou

16、se.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?Step 1:She bought a stainless steel ice crea

17、m 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.Step 2:As above she did the same but placed the bowls over the snakes habitat in the evening.St

18、ep 3: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 coo

19、ling to the snake would make them even less active and easier to catch.1)You are able to prove that you were the first person to make the invention.What might be the advantagesof getting a patent?comprehending2)You are recognized as a real inventor.3)You can make money if you sell your invention to

20、others.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 an inventor great determination and persistence to achieve his or her ambition and persistence to achieve his or her ambition in

21、life.Discussion:What good qualities should an inventor have?creative curious patient imaginative hard-working adventurous challengeable ThinkingApply 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 inclu

22、de one change to your invention in case it doesnt work the first time.After-reading(10m)After-reading(10m)(This can be done after class.)Problem 1:the ripe apples on your apple tree are too high for you to reach them.What can you invent to pick your apples in comfort?Problem 2:You need to make a hou

23、se 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.