Unit1GreatScientists教案

Unit1GreatScientistsTopic:GreatScientistsFunctions:Learntotalkaboutgreatscientists.Learntotalkaboutcontributionsofgreatscientists.Learntotalkaboutstagesinsettingoutanewscientificidea.Targetlanguage:Whatdoyouknowaboutgreatscientists?Doyouknowhowtoproveanewideainscientificresearch?Whatdoyouknowaboutinfectiousdisease?Whatdoyouknowaboutcholera?Whatkindofscientificjobdoyouwanttodo?Period1WarmingupTeachinggoals:1.Totalkaboutsomegreatscientistsandtheirachievements.PromotetheSstoknowsomething.aboutgreatscientists.2.Learnsomenewwordsandexpressions.3.Toexamineanewscientificidea.Teachingprocedures:Step1GreetingandLead-inT:I’mverygladtoseeyouallhere.Afteralongholiday,allofyoulookenergeticandhappy.Ihopethatwewillworkhardtogetherhappilyallthroughtheyear.Idobelievethatabrightfutureiswaitingforyou.Wearesuretorealizeourdreamsinthenearfuture.1.Whatwouldyouliketobeinthefuture?2.Doyouwanttobeascientistinthefuture?3.Whichscientistsdoyouknow?ShowtwovideosaboutStevenHawking.Step2QuizDothequiz,connectingthefamousscientistwithhiscontributions.AlexanderBellelectricityThomasEdisontheFirsttelephoneWrightBrotherstheelectricLampMadameCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativityStep3Whatotherscientistsdoyouknow?Showothergreatscientistsreferredtoinourtextbook.1)Archimedes(287—212BC)AncientGreek.Hewasamathematician.Hefoundthatifyouputanobjectintowaterthewaterpushestheobjectup.Itrisesandpartlyfloats.“Givemeaplacetostandon,andIcanmovetheearth.”----Archimedes2)CharlesDarwin(1808-1882)Britishnaturalist.TheOriginofSpecieswaspublishedin1859.Itexplainedhowplantsandanimalshadchangedovertimetofitinwithachangingenvironment.Hisbookshowedthatpeoplehaddevelopedfromapes.3)ThomasNewcomenThomasNewcomen,British(1663--1729)HeimprovedthefirststeampumpbuiltbyThomasSaveryin1698andturneditintoasteamenginefortakingwateroutofminesin1712.JamesWattimproveditstillfurtherinthe1770s4)GregorMendel(1822—1884)，Czech.Thefatherofgenetic.Hegrewpeaplantsanddevelopedideasonheredity(遗传)andinheritedcharacteristics.Between1856—1863hegrew28,000peaplants.Heexaminedsevenkindsofseedandplantcharacteristicsanddevelopedsomelawsofinheritance.5)LeonardodaVinci(Italian)(1452-1519)HewasafamousItalianartistwhoseskillforshowinghumanskintonesmadehispaintingsseemtocomealive.Heusedtostudydeadpeopleinordertomakehispaintingsasaccurateaspossible.Someofhisfamouspaintingsinclude“TheAdorationoftheMagi”andthe“TheLastSupper”.LaterinhislifehelivedinFrancewherehedesignedasubmarine(潜水艇)andaflyingmachine.6)HumphryDavyBritish.Hedidresearchintodifferentgasesanddiscoveredthemedicalvalueofnitrousoxide(laughinggas)asananaesthetic.(麻醉药)In1815hedevelopedasafetylampforminers.7)ZhangHeng,Chinese(78-----139)Heinventedthefirstseismographtoindicateinthedirectionofanearthquake.Itwasintheshapeofacylinderwitheightdragonheadsroundthetop,eachwithaballinitsmouth.Aroundthebottomwereeightfrogsdirectlyunderadragon’shead.Whenanearthquakeoccurred,aballfelloutofthedragon’smouth,makinganoise.Step4SummaryDrawaconclusion:TheyallmadeagreatcontributionmadegreatachievementssucceededintheirscientificcareerovercomemanydifficultiesStep5Discussion1(GroupCompetition)Topic1:Whatcanyoulearnfromthesescientists?Topic2:Whatqualitiesshouldwehavetobeasuccessfulman?(Givethestudentsseveralminutestohaveadiscussion.Thenletthemhaveagroupcompetition.)Step6ShowthepictureofZhongNanshan(钟南山)toleadinaquestion.Doyouknowhowtoproveanewideainscientificresearch?Step6Discussion2(GroupCompetition)Stagesinsettingoutanewscientificidea:DrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalyzetheresultsFindsupportingevidenceStep7HomeworkT:Inthisperiod,wehavetalkedalotaboutgreatscientists.Youhavealotofpreviousknowledgeandyouarefullofimaginationandcreativity.Thosescientistssetgoodexamplestous.AndIthinkallofusarehappyaboutlearningmoreofthem.Afterclass,it’sbettertoreadsomebooksaboutthemandyoucansurftheInternettogetmoreinformation.1.Writeacomposition“WhatIcanlearnfrom________”(nameofagreatscientist).2.Memorizestagesinsettingoutanewscientificidea.Period2ReadingComprehensionTeachingaims:LettheSslearnthereadingskillofunderstandingreadingmaterials.Teachingprocedures:Step1.FastreadingScanning:Whowasthegreatscientistinthepassageandwhatwasthedeadlydiseaseofitsday?IntroduceJohnSnowandthedisease:choleraT:HowdidJohnSnowdefeatit?Skimming:Readquicklyandsilentlytofindanswerstothefollowing7questions.1.Whathappenedin1854?2.Howmanypeoplediedin10days?3.WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?4.Whycouldn’tthecholerabeundercontrolatfirst?5.WhichtheorydidJohnSnowbelievein?6.JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandB7.Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?Step2.Detailedreading1.FilltheblanksTheproblemThecauseIdea1:Idea2:ThemethodTheresultIdea1or2?Why?Theconclusion2.Drawac