山东省沂水县第一中学高中英语《unit1 the fifth period》课件 新人教版必修5.ppt

unit1 thefifthperiod teachingmethodssituationalteachingmethod cooperativelearningmethod programmedteachingmethod task basedandassessmentteachingmethods teachingaimsanddemands 一 topic howtoorganizescientificresearch contributionsofscientists二 vocabulary三 functions talkingaboutscientificjob describingpeople 四 grammar thepastparticipleastheattributeandpredicative arrangementofteaching thefirstperiod warmingupthesecondperiod languagepointsofreadingthethirdperiod readingthefourthperiod learningaboutlanguageandlanguagepointsofusinglanguagethefifthperiod usinglanguagethesixthperiod grammartheseventhperiod exercises aboutcopernicus doyouknowwhatisthecenterofthesolarsystem canyounamethenineplanetsinthesolarsystem mercury mars venus earth jupiter saturn uranus neptune pluto mercury水星venus金星earth地球mars火星jupiter木星saturn土星uranus天王星neptune海王星pluto冥王星 nineplanetsinthesolarsystem nicolauscopernicus hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit skimthetextanddrawthetwotheoriesoftheuniversewiththefollowingpictures sun earth beforecopernicus theoryshowingcopernicus theory readinganddrawing sun earth beforecopernicus theoryshowingcopernicus theory sun earth earth sun showingcopernicus theory adiagramshowingthesolarsystemwiththeearthatitscentre adiagramshowingthesolarsystemwiththesunatitscentre beforecopernicus theory readthetextcarefully thenanswerthesequestions carefulreading becausethepowerfulchristianchurchwouldhavepunishedhimforevensuggestingsuchanidea 2 whatwashistheoryabout para1 allhismathematicalcalculationsledtothesameconclusion thattheearthwasnotthecentreofthesolarsystem onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense 1 whycouldhenottellabouthistheory para1 3 whathadtheastronomersnoticedinthesky para2 theyhadnoticedthatsomeplanetsintheskyseemedtostop movebackwardandthengoforwardinaloop othersappearedbrighterattimesandlessbrightatothers 4 whendidcopernicuscompletehistheory para3 between1510and1514heworkedonit graduallyimprovinghistheoryuntilhefeltitwascomplete 5 howdidheexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars whendidhepublishhisidea para4 heplacedafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth healsosuggestedthattheearthwasspinningasitwentrounditandthisexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars hepublishedhisideaashelaydyingin1543 6 whydopeoplethinkthatthereisadirectlinkbetweenhisideasandtheworkofisaacnewton alberteinsteinandstephenhawking becausehistheoryisnowthebaseonwhichallourideasoftheuniversearebuilt histheoryreplacedthechristianideaofgravitywhichsaidthingsfelltoearthbecausegodcreatedtheearthasthecentreoftheuniverse heshowedthiswasobviouslywrong ifyouwerenicolauscopernicus wouldyouhavehiddenyourtheoryforsomanyyears whyorwhynot asascientist oneshouldbebrave butcopernicuswasafraidofbeingattackedbythechristianchurch sohehadhiddenhistheoryforsomanyyears whatdoyouthinkofthis agree1 hewascautious ifhehadpublishedhisideas hewouldhavebeenkilledjustasbrunowhowasburnedtodeathbecausehistheorywasagainstthechristianchurch 2 everytimewhenanewideaappears therearealwaysrejections it snormal scientistsshouldhavepatiencetospreadtheirtruth 3 itmadenosenseforhimtopublishhistheoryinahurry hewasjustcautiousnotcoward heshouldprotecthimselffirst disagree1 copernicuswasverycoward heshouldspeakouthisdiscoveryandlettheworldknowthetruthearlier 2 sciencecanneveradvanceunlesspeoplehavethecourageoftheirbeliefs 3 asascientist youmusthavethecouragetopublishyourfindings nomatterhowpeopleopposethem timewillshowifyourideasarerightorwrong writeashortletteraskingcopernicus not topublishhisideassoeveryonecanreadthem writing persuasivewritingpleaserefertop8learningtip nowwriteashortletteraskingcopernicustopublishhisideassoeveryonecanreadthem firstyouneedtocollectyourideas forexample hebelieveshisnewtheoryistrue thereareproblemswiththepresenttheory hehasdonemanyyearsofobservationstoprovehisnewtheoryistrue sciencecan tdevelopunlesspeoplepublishtheirideas timewillshowifhistheoryistrueornot hereisaplan beginning tellcopernicuswhoyouareandwhyyouwanthimtopublishhisideas paragraph1 reason1andevidence paragraph2 reason2andevidence summingup askhimtothinkagainaboutpublishinghisideas onepossibleversiondearnicolauscopernicus iamastudentstudyingastronomyandiwouldverymuchliketoreadyournewtheoryaboutthesolarsystem ihopeyouwillpublishitforseveralreasons iunderstandtheproblemswiththepresenttheory thewaytheplanetsmoveisnotwhatyouwouldexpectiftheearthwasthecentreoftheuniverse itisalsooddthatthebrightnessofsomestarsseemstochange soiagreewithyouthatweneedanewtheory iknowyourobservationshavebeenverycarefullycarriedoutovermanyyears nowyoumusthavethecouragetopublishthem sciencecanneveradvanceunlesspeoplehavethecourageoftheirbel