Unit 3 Inventors and inventionsWhat is an invention?An invention is_.not existing beforecreating somethingDo you know the four famous inventions in our ancient China?PaperPrintinggunpowdercompassesApplying for a patentFinding a problem Doing research Testing the solution Thinking of a creative solution Deciding on the inventionOrder?Put the stages of invention in suitable order:If some snakes in your yardHow to catch snakes?ReadingThe problem of the snakescourtyardcall upWhat does the writer mainly tell us about?A. 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 patentListening:The suitable order:Finding a problemDoing research Thinking of a creative solutionTesting the solutionDeciding on the inventionApplying for a patentDetailed reading: Check the further comprehension of the text and choose the best answer:1.The biggest advantage of the writers new idea is that:2.What instruments were used for catching the snakes?3.The writer decided to catch the snakes in _ possible approach .4. According to the text, which subject do you think can be given a patent?Detailed reading: Check the further comprehension of the text and choose the best answer:1.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 without hurting ourselvesD. it is easier for us to catch the snakes without killing them2.What instruments were used for catching the snakes?A. a bowl, ice-cubes, male perfumeB. a bowl, a bucket, female perfumeC. a small net, ice-cubes, a bucketD. a small net, a bucket, powders3.The writer decided to catch the snakes in _ possible approach . A. the first B. the second C. the third D. every4. 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 Guo Da.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.Findingout the equipment and procedure of catching the snakes.Preparation for catching the snakesfridgebucketbowlice-cubesbucketbowla netthe snakes habitat Procedure of catching the snakesfreeze the bowlplace it over the snakes habitat with ice-cubes on the topcover the bowlWith a bucketremove the bucket and the bowlcollect the snakes with a netrelease them into the wildCan you retell the authors invention？for 24 hoursAfter 2 hoursThe next daySummary: Make a summary within 30 wordsThewriter_aharmlesswayto_thesnakes.Shetrappedthesnakesbymakingthem_and_.Shetried_solutionsand_.Shewantedtoapplyfora_forit.inventedcatchcoolsleepthreesucceededpatentFreetalk what qualitiesarenecessarytobecomea young inventor ? creative curious patient imaginative hard-working adventurous challengeable ThinkingLets think!Lets create!Lets invent!Let our nation be stronger!Homework:Writeashortpassageaboutyourprocedureofcatchingpetsquirrelanddesignanewinventiontosolveitandapply a patentforit