人教版高中英语必修五Unit 1 Great scientists教案.docx

人教版高中英语必修五Unit 1 Great scientists教案.docx

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人教版高中英语必修五Unit1Greatscientists教案

Unit1Greatscientists

Period1Warmingupandreading课时：

课型TypeofLesson:

Reading

学习目标Learningaims:

1.Tohelpstudentslearntodescribepeople

2.TohelpstudentslearntoreadanarrationaboutJohnSnow

3.Tohelpstudentsbetterunderstand“Greatscientists”

教学重点ImportantPoints:

TohelpstudentslearntoreadanarrationaboutJohnSnow

教学难点DifficultPoints:

Tohelpstudentslearntodescribepeople

教学反思TeachingRe-thinking:

家庭作业Homework:

教学过程TeachingProcedures:

Warmingup热身

StepILeadin导入

Talkaboutscientist.

T:

Hi,morning,class.Nicetoseeyouonthisspecialday,thedaywhenyoubecomeaseniortwograder.IamhappytobewithyouhelpingyouwithyourEnglish.Todaywearetoreadaboutacertainscientist.Butfirstlet’sdefinetheword“scientist”.Whatisascientist?

Ascientistisapersonwhoworksinscience,tryingtounderstandhowtheuniverseorotherthingswork.

Scientistscanworkindifferentareasofscience.Herearesomeexamples:

Thosethatstudyphysicsarephysicists.Thosethatstudychemistryarechemists.Thosethatstudybiologyarebiologists.

StepII头脑风暴

Askthestudentstotrythequizandfindoutwhoknowsthemost.

T:

Therearesomegreatscientificachievementsthathavechangedtheworld.Canyounamesomeofthem?

Whatkindofroledotheyplayinthefieldofscience?

Dotheseachievementshaveanythingincommon?

Matchtheinventionswiththeirinventorsbelowbeforeyouanswerallthesequestions.

1.Archimedes,AncientGreek（287-212BC）,amathematician.

2.CharlesDarwin,Britain（1808-1882）.ThenameofthebookisOriginofSpecies.

3.ThomasNewcomen,British（1663-1729）,aninventorofsteamengine.

4.GregorMendel,Czech,abotanistandgeneticist.

5.MarieCurie,PolishandFrench,achemistandphysicist.

6.ThomasEdison,American,aninventor.

7.LeonardodaVinci,Italian,anartist.

8.SirHumphryDavy,British,aninventorandchemist.

9.ZhangHeng,ancientChina,aninventor.

10.StepperHawking,British,aphysicist.

II.Pre-reading预读

StepI

Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

1.Whatdoyouknowaboutinfectiousdiseases?

Infectiousdiseasescanbespreadtootherpeople.Theyhaveanunknowncauseandneedpublichealthcaretosolvethem.Peoplemaybeexposedtoinfectiousdisease,somayanimals,suchasbirdflu，AIDS,SARSareinfectiousdiseases.Infectiousdiseasesaredifficulttocure.

2.Whatdoyouknowaboutcholera?

CholeraistheillnesscausedbyabacteriumcalledVibriocholerae.Itinfectspeople’sintestines（肠）,causingdiarrheaandlegcramps（抽筋）.Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeencontaminated（污染）withthebacteria.Choleracanbemild（不严重的）orevenwithoutimmediatesymptoms（症状）,butaseverecasecanleadtodeathwithoutimmediatelytreatment.

3.Doyouknowhowtoproveanewideainscientificresearch?

Anybodymightcomeoutwithanewidea.Buthowdoweproveitinscientificresearch?

Therearesevenstagesinexamininganewideainscientificresearch.Andtheycanbeputinthefollowingorder.Whatorderwouldyouputthesevenin?

Justguess.

Findaproblem→Makeupaquestion→Thinkofamethod→Collectresults→

Analysetheresults→Drawaconclusion→Repeatifnecessary

Unit1Greatscientists

Period1Warmingupandreading

课型TypeofLesson:

Reading

学习目标Learningaims:

1.Tohelpstudentslearntodescribepeople

2.TohelpstudentslearntoreadanarrationaboutJohnSnow

3.Tohelpstudentsbetterunderstand“Greatscientists”

教学重点ImportantPoints:

TohelpstudentslearntoreadanarrationaboutJohnSnow

教学难点DifficultPoints:

Tohelpstudentslearntodescribepeople

教学反思TeachingRe-thinking:

家庭作业Homework:

教学过程TeachingProcedures:

III.Reading阅读

StepIPre-reading预读

1.DoyouknowJohnSnow?

JohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.

2.Doyouknowwhatkindofdiseaseischolera?

Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.

Let’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:

StepIISkimming扫读

Readthepassageandanswerthequestions.

1.Whodefeats“KingCholera“?

（JohnSnow）

2.Whathappenedin1854?

（CholeraoutbreakhitLondon.）

3.Howmanypeoplediedin10days?

（500）

4.WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?

（ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.）

（Optional）

Skimthepassageandfindtheinformationtocompletetheformbelow.

Who

When

What

How

Result

JohnSnow

1854

helpingordinarypeopleexposedtocholera

Examiningthesourceofallwatersuppliesandfindingnewmethodsofdealingwithpollutedwaster

“KingCholera”defeated

StepIIIScanning找读

Readthepassageandnumbertheseeventsintheorderthattheyhappened.

2JohnSnowbegantotesttwotheories.

1AnoutbreakofcholerahitLondonin1854.

4JohnSnowmarkedthedeathsonamap.

7Heannouncedthatthewatercarriedthedisease.

3JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.

8KingCholerawasdefeated.

5Hefoundthatmostofthedeathswerenearawaterpump.

6Hehadthehandleremovedfromthewaterpump.

StepIVMainideaandcorrectstage精读

Readthepassageandputthecorrectstagesintothereadingaboutresearchintoadisease.

JohnSnowDefeats“KingCholera”

Paragraph

Stages

Generalideas

1

Findaproblem:

Whatcausethecholera?

Thecausesofcholera

2

Makeupaquestion:

Whichisright?

Thecorrectorpossibletheory

3

Thinkofamethod:

Testtwotheory

Collectdataonwherepeoplewereillanddiedandwheretheygottheirwater

4

Collectresults:

Markthedeath

Plotinformationonamaptofindoutwherepeoplediedordidnotdie

5

Analyzetheresults:

Findtheresourceofthewater

Lookintothewatertoseeifthatisthecauseoftheillness

6

Findsupportingevidence

Findotherevidencestoconfirmhisconclusion

7

Drawaconclusion

ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera

StepVGroupdiscussion分组讨论

Answerthequestions（Finishexercise2onPage3）

1.JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?

（JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.）

2.DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap?

（No.ThemaphelpedJohnSnoworganizehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.）

3.Choleraisa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?

（Twodiseases,whicharesimilartoday,areSARSandAIDSbecausetheyarebothserious,haveanunknowncauseandneedpublichealthcaretosolvethem.）

StepVI概括总结

Usingthestagesforscientificresearchandwriteasummary.

Unit1Greatscientists

Period2&3Languagefocus课时：

课型TypeofLesson:

Words&Expressions

学习目标Learningaims:

Tohelpstudentslearntousesomeimportantwordsandexpressions

教学重点ImportantPoints:

Tohelpstudentslearntoremembersomeimportantwordsandexpressions

教学难点DifficultPoints:

Tohelpstudentslearntousesomeimportantwordsandexpressions

教学反思TeachingRe-thinking:

家庭作业Homework:

教学过程TeachingProcedures:

StepIWarmingup热身

1.characteristic

1n.aqualityorfeatureofsth.orsomeonethatistypicalofthemandeasytorecongnize.特征；特性

WhatcharacteristicsdistinguishtheAmericansfromtheCanadians.

②a.verytypicalofaparticularthingorofsomeone’scharacer典型性的，

Suchbluntnessischaracteristicofhim.

WindydaysarecharacteristicofMarch.

[辨析]characteristic与character

characteristic是可数名词，意为“与众不同的特征“

character表示（个人、集体、民族特有的）“性格、品质”，还意为“人物；文字”

Whatyouknowabouthimisn’thisrealcharacter.

2.putforward:

tostateanideaoropinion,ortosuggestaplanorperson,forotherpeopleto

consider提出

Heputforwardanewtheory.

Theforeignershaveputforwardaproposalforajointventure.

AninterestingsuggestionformeasuringtheatmospherearoundMarshasbeenputforward.

☆puton穿上;戴上;增加putout熄灭（灯）;扑灭（火）putupwith…忍受

putdown写下来;放下；putoff耽误;延期putup建立;建造,

putup举起，搭建，粘贴

3.analyze:

toexamineorthinkaboutsomethingcarefullyinordertounderstanditvt.分析结果、检讨、细察

Acomputeranalysesthephotographssentbythesatellite.

TheearthquakeexperttriedtoanalyzethecauseoftheearthquakeoccurredonMay12,2008.

Let’sanalyzetheproblemandseewhatwentwrong.

Heanalyzedthefoodandfoundthatitcontainedpoison.

Wemusttrytoanalyzethecausesofthestrike.

☆analysisn.分析，解析，分解

4.conclude:

decidethatsth.istrueafterconsideringaltheinformationyouhave得出结论；推论出toendsth.suchasameetingorspeechbydoingorsayingonefinalthingvt.&vi结束，终止；

Weconcludedthemeetingat8o’clockwithaprayer.

Fromhisappearancewemaysafelyconcludethatheisaheavysmoker.

Whatdoyouconcludefromthesefacts?

Weconcludetogoout/thatwewouldgoout.

conclusionn.结论

arriveataconclusion;cometoaconclusion;drawaconclusion;reachaconclusion

Whatconclusiondidyoucome