选修八unit3.ppt
paper-makingprintingcompassgunpowderWhy are they famous?NewtongravitydiscoveredBenjamin Franklin electricity.discoveredradiumMadame CuriediscoveredZhang Heng the seismograph地动仪地动仪 invented Cai LunpapermakingAn amphibious carStephensons“Rocket”DNAwhich pictures below show inventions and which show discoveries?An invention is _.A discovery is _ _.existing in nature but not yet knownfinding out something alreadynot existing before creating somethingWhats the connection between discovery and invention?Work out two rules:Discoveries often lead to inventions.Inventions are often based on discoveries.The heel of these shoes is a machine that makes electricity with every step you take.You will never need to buy batteries again.Electric shoesElectric shoesYou will never have to worry about having your bike stolen again.If you use our inflatable bike,you can simply let the air out and put your bike in a bag.Inflatable bicycleNever throw away or wash chopsticks again.These chopsticks are both delicious and environmentally friendly.Save trees and have a snack at the same time they come in five different flavours.Edible chopsticksstages every inventor must go through:Applying for a patentFinding a problemDoing researchTesting the solutionThinking of a creative solutionDeciding on the invention1._2._3._4._5._6._Pre-reading:What if some snakes in your yard What should the writer do?Skim the whole passage and get the main idea:The text narrates _ and presents _ and applying for _.the problem of the snakes the procedures of catching them a patentReadingScanningfind out which paragraph or paragraphs deal with each inventing steps.Fill in this form:ParagraphStepsFind a problemDo researchThink of a creative solution Test the solutionApply for a patent1234,5,67,8Para.2-6Q3.How many possible approaches did I decide on?What are they?Q4.Which one did I use?Q5.The first and the second attempt are both failed,What about the third one?Para.1Q1.What was the mother upset about?Q2.Why did I feel proud?Para.7-8Q6.Did I applied to the patent office?What are the results?Reading for detailsPara.1Para.1Q1.What was the mother upset about?The mother was upset because a family of snakes had made their home in their courtyard.Q2.Why did I feel proud?Here was a chance for me to distinguish myself by inventing something merciful that would catch snakes but not harm them.Q3.How many possible approaches did I decide on?What are they?I decided on three possible approaches.Firstly,removing their habitat.Secondly,attracting them into a trap and thirdly cooling them.Q4.Which one did I use?I used the last one.Q5.The first and the second attempt both failed,how about the third one?Successfully,I collected the passive snakes and the next day we merrily released them all back into the wild.Para 7-8Q6.Did I applied to the patent office?What is the result?I applied to the patent office but the criteria are strict.Now its a matter of waiting and hoping.Reading comprehensionThe purpose of the 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 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 patentHow 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 above.Why did cooling the snakes make them less active?A.Because snakes are warm-blooded B.animals.B.Because snakes like high temperature.C.Because snakes are reptiles and their body temperature depends on the heat around them.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 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.7.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 receive 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.Discuss in pairs what the advantages might be of getting a patent.Advantages:You are recognized as a real inventor.You can make money if you sell your invention to others.You will become famous.You are able to prove that you were the first person to make the invention.DiscussionSo only inventions can get patens and they can be recognized and protected.
