unit 4 astronomy- the science of the stars（listening, speaking and writing）

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/27UNIT4ASTRONOMYTHESCIENCEOFTHESTARS（LISTENING,SPEAKINGANDWRITING）MUNIT4ASTRONOMYTHESCIENCEOFTHESTARSLISTENING,SPEAKINGANDWRITINGLISTENINGTEACHINGGOALS教学目标1TARGETLANGUAGE目标语言A重点词汇和短语GRAVITY,BYCHANCEB重点句子IHEARDABOUTHOWTHEIDEAOFGRAVITYHASDEVELOPEDOVERALONGPERIODOFTIMEPICKOUTTHEINFORMATIONANDDRAWLINESFROMTHELISTTOWHERETHETHINGSAREONTHESUITOFTHEASTRONAUT2ABILITYGOALS能力目标ENABLETHESSTOUNDERSTANDTHEDIFFERENTIDEASABOUTGRAVITYENABLETHESSTOHAVEAGOODUNDERSTANDINGOFTHEFORCEOFGRAVITYINORDERTOENJOYTHESTORIESFULLYANDTOBECOMEMOREINVOLVEDANDEXCITEDABOUTSTUDYINGSPACEANDTHESTARS3LEARNINGABILITYGOALS学能目标ENABLETHESSTOAPPRECIATETHATTHESCIENCEFICTIONSTORIESAREIMAGINARYBUTBASEDONFACTTEACHINGIMPORTANTPOINTS精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/27教学重点LISTENTOTHEMATERIALABOUTTHEDETAILEDINFORMATIONABOUTDIFFERENTSCIENTISTSANDTHEIRIDEASCOMPLETETHEFORM,MAKETRUEORFALSEJUDGMENTANDANSWERQUESTIONSTEACHINGDIFFICULTPOINTS教学难点DISCUSSWITHPARTNERSANDHAVEADEBATETOFINDOUTWAYSTOSOLVETHEPROBLEMSABOUTWHATASPACESUITSHOULDBELIKETEACHINGMETHODS教学方法ADISCUSSIONBLISTENINGCCOOPERATIVELEARNINGDDEBATINGTEACHINGAIDS教具准备ARECORDERTEACHINGPROCEDURESWAYS教学过程与方式STEPIREVISIONCHECKHOMEWORKEXERCISEPART3P29THEFACTISTHATIDONTKNOWWHOHEISWHETHERHELLCOMEORNOTTHATMANYPEOPLEDONTKNOWHOWFARBEIJINGISFROMREADING,ENGLANDYOURDIFFICULTYISTHATYOUDONTHAVEENOUGHMONEYTHATYOUDONTKNOWHOWTOGROWAPPLETREESMYPROBLEMISTHATIDONTKNOWHISADDRESSHOWLONGTHEJOURNEYWOULDTAKEUSTHEQUESTIONISTHATTHESNOWISTOOHEAVYWHEREYOUCANFINDARESTAURANTTHETROUBLEISHOWTOGETTHEREINTIMEWHETHERYOUCANFINDATAXIINSUCHACOLDDAYPART3P641WITHTHEDEVELOPMENTOFSCIENCEANDTECHNOLOGY,PEOPLEHAVECOMETODEPENDMOREAN精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/27DMOREONTHECOMPUTERTODEALWITHALLKINDSOFTHINGS2NOWTHATMANYPROBLEMSEXISTWHICHCANNOTBESOLVED,WARSWILLPROBABLYBREAKOUT3HEGRADUALLYGOTTHEHANGOFTHISMETHODOFRESEARCHAFTERMANYYEARSPRACTICE4THEPRESENCEOFTHATFAMOUSDIRECTORCHEEREDUPALLTHEPEOPLEATTHEMEETING5WESHOULDFINDSOMEWAYSTOPREVENTTHEHARMFULGASFROMSPREADING6HEISALREADYEXHAUSTEDWESHOULDLESSENHISPAININSTEADOFDISAPPOINTINGHIMSTEPIILISTENINGUSINGLANGUAGE1THESSWILLHEARDIFFERENTIDEASABOUTGRAVITYOFTHREESCIENTISTS,ANDTHENFILLINTHEBLANKSTHAVEYOUHEARDOFISAACNEWTONHOWMUCHDOYOUKNOWABOUTHIMS1HESENGLISHS2HESETUPANIDEAWHICHISCALLED“GRAVITY”TWHATSHISIDEAABOUTS3GRAVITYMADEEVERYTHINGFALLBACKTOTHEEARTHTHAVEYOUHEARDOFALBERTEINSTEINS4YESHESAJEWANDHESFAMOUSFORHISTHEORYOFRELATIVITYTHOWMUCHDOYOUKNOWSTEPHENHAWKINGS5SORRY,NOTVERYMUCHIKNOWHIMJUSTFROMTHEPASSAGEONPAGE64,WORKBOOKTITDOESNTMATTERIFYOUDONTKNOWTHEMMUCHTODAYWELLGETMOREINFORMATIONABOUTTHEMTURNTOPAGE30GOTHROUG精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/27HPART1QUICKLY2LISTENTOTHETAPETHREEORFOURTIMESANDPAUSEWHEREITSNECESSARYTHENCHECKTHEANSWERSWITHTHEWHOLECLASSTAREYOUREADYLETSLISTENFORTHEFIRSTTIMEPLEASEPAYATTENTIONTOTHEDATEPLAYTHETAPETHAVEYOUGOTTHEANSWERSS1YESISAACNEWTONLIVEDFROM1642TO1727ALBERTEINSTEINLIVEDFROM1879TO1955STEPHENHAWKINGWASBORNIN1942TLETSLISTENTOTHETAPEAGAINPLEASEPAYATTENTIONTOTHEIDEAPLAYTHETAPEAGAINTHAVEYOUGOTTHEANSWERSS2YESISAACNEWTONEVERYTHINGFALLSBACKTOTHEEARTHBECAUSEOFAPULLCALLEDGRAVITYS3ALBERTEINSTEINGRAVITYISDIFFERENTINSPACES4STEPHENHAWKINGBLACKHOLESWOULDEATSTARSANDTHEYMAYALSOPUSHSTARSOUTINTOSPACETEXCELLENTANSWERSHAVEYOUGOTOTHERINFORMATIONOR,WHATWASTHEIRGRAVITYABOUTS5NEWTONSGRAVITYISABOUTEARTHS6EINSTEINSIDEAABOUTGRAVITYWASABOUTUNIVERSES7HAWKINGSIDEAWASABOUTBLACKHOLESTITHINKWEVESOLVEDTHISPROBLEMNOWREADFOURSENTENCESINPART2,DECIDE精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/27WHICHTHEBESTIDEAISIFYOUARENOTSURE,WEWILLLISTENTOTHETAPEFORTHELASTTIMEAFTERPLAYTHETAPETWHICHONEISTHEBESTS8NO3TWHYNO3WHATSWRONGWITHTHEOTHERTHREES9OURLISTENINGPASSAGEDIDNTMENTIONHOWTHREEMENMADEMISTAKESITONLYMENTIONEDTHATOTHERSCIENTISTSFOUNDTHEYMADEMISTAKESSONO1ISNOTCORRECTS10NO2ISNOTTRUEBECAUSETHETHREESCIENTISTSWANTEDTOEXPLAINHOWTHEUNIVERSEWORKEDANDNOTHOWITBEGANS11NO4ISTOOGENERALANDITDOESNTGIVEENOUGHDETAILSTYOUREXPLANATIONSAREENOUGHSOWECHOOSENO3THENTURNTOPAGE62,LISTENINGSTEPIIILISTENINGWBP621PART1TWHOSYANGLIWEIS1HESOURHEROWHOTRAVELEDINTOSPACEONOCTOBER15,2003TWHATSTHENAMEOFTHESPACESHIPS2SHENZHOUVTDOYOUKNOWWHATEDUCATIONANDEXPERIENCEYOUNEEDTOBECOMEANASTRONAUTS3NOTOKNOWWELLLISTENTOACONVERSATIONBETWEENYANGLIWEI精品文档2016全新精品资料全新公文范文全程指导写作独家原创6/27ANDAREPORTERFIRST,GOTHROUGHTHESIXSENTENCESINPART1NOWLISTENTOTHETAPEAFTERLISTENINGTHAVEYOUGOTTHATNOWREADTHESENTENCESANDTELLUSTRUEORFALSEIFITSNOTTRUE,CORRECTITASKSTUDENTSTOREADTHEMANDCHECKTHEANSWERSWITHTHEWHOLECLASSANSWERSFFTTTT2PART2TNOWFOCUSYOURATTENTIONONPART2THENWELLLISTENTOTHETAPEAGAINPLAYTHETAPEANDPAUSEWHENTHESTUDENTSNEEDTOWRITEINFORMATIONDOWNTHENCOLLECTANSWERSINFORMATIONONYANGLIWEITHEEXAMSHEPASSEDEXCELLENTDEGREEAND10YEARSTRAININGEXPERIENCEPILOTFORTHEAIRFORCEOFTHEPLAPHYSICALQUALITIESSMALLERTHAN170CM,LESSTHAN70KGPERSONALQUALITIESCALM,MATURE,HARDWORKING3PART3FIRSTASKSSTOTALKABOUTTHEANSWERIFNECESSARYPLAYTHETAPEAGAINFORSSTOCHECKTHEANSWERANSWERS1THERESASPECIALSEATTOTHROWHIMOUTOFTHESPACEROCKETIFTHINGSWENTWRONGTHEREAREALSOASPECIALDOORFORANOTHERSPACEROCKETTORESCUEHIM2THEANSWERCANBEDIFFERENTSTEPIVLISTENINGTASKP65精品文档2016全新精品资料全新公文范文全程指导写作独家原创7/27TDOYOUWANTTOHAVEASPACEWALKSYES,OFCOURSETBUTYOUKNOWITSDANGEROUS,ANDITNEEDSAGREATDEALOFPRACTICEYOUSHOULDALSOWEARASPACESUITTHESPACESUITNEEDSSOMEEQUIPMENTDOYOUKNOWEACHPARTOFTHEEQUIPMENTSWERENOTCLEARTNOWLISTENTOTHETAPETHENYOULLGETITPLAYTHETAPETWICEORTHREETIMESTOFINISHPART1AND2KEYTOPART1CKEYTOPART21OXYGENCANONTHEBACK2WATERSYSTEMTHEPARTOFTHESUITCOVERINGTHEBODY3GRAVITYBOOTSONTHEFEET4LEFTENGINEONTHELEFTSIDE5RIGHTENGINEONTHERIGHTSIDE6TOOLKITONTHEWAIST,ATTHEBACKSTEPVHOMEWORKTODAYWEHAVELISTENEDTOTHREEMATERIALSAFTERCLASS,YOUSHOULDLISTENTOTHEMAGAINANDSUMUPWHATYOUHAVELEARNTFROMTHEMFORTHEHOMEWORK,THINKABOUTAQUESTIONWHATNEEDSTOBEANASTRONAUTSPEAKINGTEACHINGGOALS教学目标1TARGETLANGUAGE目标语言A重点词汇和短语PREPARATION,INSTRUCTION,UNEXPECTED,ASETOF,PAYATTENTIONTO,ASWELLASB交际用语精品文档2016全新精品资料全新公文范文全程指导写作独家原创8/27PRACTICEGIVINGINSTRUCTIONSPLEASELOOKAT/LISTENTOPLEASECHECKTHATYOUNEEDPLEASEPAYATTENTIONTODONTFORGETTOYOUDBETTERMAKESUREYOUWATCHOUTFORYOUMUSTNT2ABILITYGOALS能力目标AENABLETHESSTOMAKEALISTOFTHINGSTHATTHEYNEEDBENABLETHESSTOTALKABOUTGIVINGINSTRUCTIONSCENABLETHESSTOPLAYDIFFERENTROLESINACONVERSATION3LEARNINGABILITYGOALS学能目标ALEARNHOWTOMAKEALISTOFTHINGSTHATTHEYNEEDBHELPTHESSLEARNHOWTOTALKABOUTGIVINGINSTRUCTIONSCENABLETHESSLEARNHOWTOPLAYDIFFERENTROLESINACONVERSATIONTEACHINGIMPORTANTANDDIFFICULTPOINTS教学重点难点ATEACHTHESSHOWTOHOWTOTALKABOUTGIVINGINSTRUCTIONSBHELPTHESSTOLEARNHOWTOPLAYDIFFERENTROLESINACONVERSATIONTEACHINGMETHODS教学方法APAIRSWORKANDGROUPWORKBDISCUSSIONANDCOOPERATIVELEARNINGTEACHINGAIDS教具准备1ACOMPUTER2APROJECTORTEACHINGPROCEDURESWAYS教学过程与方式STEPIREVISIONASKSOMEOFTHESSTOREADHIS/HERPASSAGEABOUTGRAVITY精品文档2016全新精品资料全新公文范文全程指导写作独家原创9/27ONEPOSSIBLEPASSAGESIRISAACNEWTONTHEUNIVERSALLAWOFGRAVITATIONTHEREISAPOPULARSTORYTHATNEWTONWASSITTINGUNDERANAPPLETREE,ANAPPLEFELLONHISHEAD,ANDHESUDDENLYTHOUGHTOFTHEUNIVERSALLAWOFGRAVITATIONASINALLSUCHLEGENDS,THISISALMOSTCERTAINLYNOTTRUEINITSDETAILS,BUTTHESTORYCONTAINSELEMENTSOFWHATACTUALLYHAPPENEDWHATREALLYHAPPENEDWITHTHEAPPLEPROBABLYTHEMORECORRECTVERSIONOFTHESTORYISTHATNEWTON,UPONOBSERVINGANAPPLEFALLFROMATREE,BEGANTOTHINKALONGTHEFOLLOWINGLINESTHEAPPLEISACCELERATED,SINCEITSVELOCITYCHANGESFROMZEROASITISHANGINGONTHETREEANDMOVESTOWARDTHEGROUNDTHUS,BYNEWTONS2NDLAWTHEREMUSTBEAFORCETHATACTSONTHEAPPLETOCAUSETHISACCELERATIONLETSCALLTHISFORCE“GRAVITY“,ANDTHEASSOCIATEDACCELERATIONTHE“ACCLERATIONDUETOGRAVITY“THENIMAGINETHEAPPLETREEISTWICEASHIGHAGAIN,WEEXPECTTHEAPPLETOBEACCELERATEDTOWARDTHEGROUND,SOTHISSUGGESTSTHATTHISFORCETHATWECALLGRAVITYREACHESTOTHETOPOFTHETALLESTAPPLETREESIRISAACSMOSTEXCELLENTIDEA精品文档2016全新精品资料全新公文范文全程指导写作独家原创10/27NOWCAMENEWTONSTRULYBRILLIANTINSIGHTIFTHEFORCEOFGRAVITYREACHESTOTHETOPOFTHEHIGHESTTREE,MIGHTITNOTREACHEVENFURTHERINPARTICULAR,MIGHTITNOTREACHALLTHEWAYTOTHEORBITOFTHEMOONTHEN,THEORBITOFTHEMOONABOUTTHEEARTHCOULDBEACONSEQUENCEOFTHEGRAVITATIONALFORCE,BECAUSETHEACCELERATIONDUETOGRAVITYCOULDCHANGETHEVELOCITYOFTHEMOONINJUSTSUCHAWAYTHATITFOLLOWEDANORBITAROUNDTHEEARTHTHISCANBEILLUSTRATEDWITHTHETHOUGHTEXPERIMENTSHOWNINTHEFOLLOWINGFIGURESUPPOSEWEFIREACANNONHORIZONTALLYFROMAHIGHMOUNTAINTHEPROJECTILEWILLEVENTUALLYFALLTOEARTH,ASINDICATEDBYTHESHORTESTTRAJECTORYINTHEFIGURE,BECAUSEOFTHEGRAVITATIONALFORCEDIRECTEDTOWARDTHECENTEROFTHEEARTHANDTHEASSOCIATEDACCELERATIONREMEMBERTHATANACCELERATIONISACHANGEINVELOCITYANDTHATVELOCITYISAVECTOR,SOITHASBOTHAMAGNITUDEANDADIRECTIONTHUS,ANACCELERATIONOCCURSIFEITHERORBOTHTHEMAGNITUDEANDTHEDIRECTIONOFTHEVELOCITYCHANGEBUTASWEINCREASETHEMUZZLEVELOCITYFOROURIMAGINARYCANNON,THEPROJECTILEWILLTRAVELFURTHERANDFURTHERBEFORERETURNINGTOEARTHFINALLY,NEWTONREASONEDTHATIFTHECANNONPROJECTEDTHECANNONBALLWITHEXACTLYTHERIGHTVELOCITY,精品文档2016全新精品资料全新公文范文全程指导写作独家原创11/27THEPROJECTILEWOULDTRAVELCOMPLETELYAROUNDTHEEARTH,ALWAYSFALLINGINTHEGRAVITATIONALFIELDBUTNEVERREACHINGTHEEARTH,WHICHISCURVINGAWAYATTHESAMERATETHATTHEPROJECTILEFALLSTHATIS,THECANNONBALLWOULDHAVEBEENPUTINTOORBITAROUNDTHEEARTHNEWTONCONCLUDEDTHATTHEORBITOFTHEMOONWASOFEXACTLYTHESAMENATURETHEMOONCONTINUOUSLY“FELL“INITSPATHAROUNDTHEEARTHBECAUSEOFTHEACCELERATIONDUETOGRAVITY,THUSPRODUCINGITSORBITBYSUCHREASONING,NEWTONCAMETOTHECONCLUSIONTHATANYTWOOBJECTSINTHEUNIVERSEEXERTGRAVITATIONALATTRACTIONONEACHOTHER,WITHTHEFORCEHAVINGAUNIVERSALFORMTHECONSTANTOFPROPORTIONALITYGISKNOWNASTHEUNIVERSALGRAVITATIONALCONSTANTITISTERMEDA“UNIVERSALCONSTANT“BECAUSEITISTHOUGHTTOBETHESAMEATALLPLACESANDALLTIMES,ANDTHUSUNIVERSALLYCHARACTERIZESTHEINTRINSICSTRENGTHOFTHEGRAVITATIONALFORCESTEPIIPRESENTATIONTDOYOUREMEMBERTHECONVERSATIONBETWEENLIYANPINGANDPROFESSORWALLISS1YESTWEALLKNOWTHATSPACEWALKISDIFFICULTANDDANGEROUSWHA精品文档2016全新精品资料全新公文范文全程指导写作独家原创12/27TSHOULDANASTRONAUTTAKEWITHHIMS2OXYGENCANS3SPACESUITS4GRAVITYBOOTSS5WATERSYSTEMS6SPECIALFOODS7SPECIALROPESTGREATDOYOUKNOWTHEUSAGEOFTHEMNOWDISCUSSTHEMWITHYOURPARTNERACCORDINGTOTHEFORMONPAGE31YOUCANREFERTOOURLISTENINGMATERIALONPAGE65WHENSSDISCUSSTEACHERWALKAROUNDTHECLASSROOMTOGIVETHEMSOMEHELPSTEPIIISPEAKINGPAGE31AFTERAFEWMINUTESTHAVEYOUFINISHEDNOWSPEAKONEORTWOSENTENCESFOREACHEQUIPMENTYOUSHOULD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