Book5 unit 1 教案.docx
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Book5unit1教案
Unit1GreatScientists
Period1&2WarmingUp,Pre-reading,
Reading&Comprehending
TeachingGoals:
1.TolearnaboutJohnSnow.
2.Todevelopsomebasicreadingskills.
3.ToarouseSs’interestinlearningaboutthespritsofscientists.
TeachingProcedures:
Step1.WarmingUp
Purpose:
ToarouseSs’interestinlearningaboutscientists.
ToaskSstopreparesomethingforthegreatscientistsaheadoftimeandsharethemwithothers.
1.Pairwork
AskSstotelltheirpartnerstheiranswerstothefollowingquestionandshowsometothewholeclass.
Whatdoyouknowaboutgreatscientists?
2.Groupwork
Ssaredividedinto3groupstodothequizandtrytofindoutwhichknowsthemost.
QuizQuestions
Answer
(1)Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?
(2)Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?
(3)Whoinventedthefirststeamengine?
(4)Whousedpeastoshowhowphysicalcharacteristicsarepassedformparentstotheirchildren?
(5)Whodiscoveredradium?
(6)Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?
(7)Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?
(8)Whoinventedalamptokeepminerssafeunderground?
(9)Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?
(10)Whoputforwardatheoryaboutblackholes?
Suggestedanswers:
(1)Archimedes
(2)CharlesDarwin(3)ThomasNewcomen(4)GregorMendel(5)MarieCurie(6)ThomasEdison(7)LeonardodaVinci
(8)SirHumphryDavy(9)ZhangHeng(10)StephenHawking
Step2.Pre-reading
Purpose:
TogetSstolearnaboutthestagesinascientificexperiment
1.Groupwork
(1)GetSsintogroupsoffouranddiscusswhatkindofexperimenttheyhaveexperiencedandthestagesofthem.Asksomegroupstoshowtheirviews.
(2)AskSstoputthefollowingstagesintoproperorder.
DrawaconclusionThinkofamethodCollectresultsMakeupaquestion
FindaproblemAnalyzetheresultsRepeatifnecessary
SuggestedAnswers:
Findaproblem→Makeupaquestion→Thinkofamethod→Collectresults→Analyzeresults→Repeatifnecessary→Makeaconclusion
2.Pairwork
AskSswhethertheyknowaboutinfectiousdiseasesandtelltheanswerstotheirpartners.
Forexample:
flu
Birdflu
SARS
Step3.Reading
1.Skimming
Purpose:
TogetSstohaveabriefunderstandingofthewholetext.
Thepassageiswritteninorderofthestagesinanexperiment,soaskSstoscanthetextandfindthedifferentstages.
Suggestedanswers:
①Findaproblem:
JohnSnowwasawell-knowndoctorinLondon…untilitscausewasfound.
②Makeupaquestion:
Hegotinterestedinthetwotheories…andsoontheaffectedpersonwasdead.
③Thinkofamethod:
Hebelievedinthesecondtheorybut……soseverethatmorethan500peoplehaddiedin10days.
④Collectresults:
Hedeterminedtofindoutwhy…Itseemedthewaterwastoblame.
⑤Analyzeresults:
Next,JohnSnowlookedintothesourceofthewaterforthesetwostreets…thatcholerawasspreadbygermsandnotinacloudofgas.
⑥Repeatifnecessary
Soonthediseasebegantoslowdown…thatpollutedwatercarriedthedisease.
⑦Makeaconclusion:
Topreventthisfromhappeningagain,…nottoexposepeopletopolluted.
2.Scanning
Purpose:
TogetSstohavesomedetailsinthetext.
(1)Readthetextquicklyandtrytogetsomedetailsfromthetext.Workinpairsandtrytoaskandanswerquestionsfromthetext.Questionscanbelikethese:
Q1.WhowasJohnSnow?
Q2.WhatdidJohnSnowdowhentheseriouscholerabrokeout?
Q3.Whatwerethetwotheoriesthen?
Q4.WhatwasJohnSnow’sattitudetowardsthetwotheories?
Q5.HowdidJohnSnowfindtheevidenceforhistheory?
Q6.Howdidhesolvetheproblemfinally?
Suggestedanswers:
A1.JohnSnowwasawell-knowndoctorinLondon-sofamous,indeed,thatheattendedQueenVictoriatoeasethebirthofherbabies.
A2.JohnSnowwantedtousehisknowledgetohelpsolvethisproblem.
A3.Thefirstsuggestedthatcholeramultipliedintheairwithoutreason.Acloudofdangerousgaswouldfloatarounduntilitfounditsvictims.Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.Fromthestomachthediseaseattackedthebodyquicklyandsoontheaffectedpersonwasdead.
A4.Hebelievedinthesecondtheorybutneededtoprovehewascorrect.
A5.Hegatheredtheinformationandmarkedamapwhereallthedeadpeoplehadlived.Andatlasthefoundthatallthedeadpeopledrankthepollutedwaterfromtheriver.
A6.Topreventthisfromhappeningagain,JohnSnowsuggestedthatthesourceofallwatersuppliesbeexaminedandmewmethodsofdealingwithpollutedwaterbefound.Andfinally“KingCholera”wasdefeated.
(2)Sincewehavegottheorderofthesevenstages,getSstowritedowntheevidenceorapproachJohnSnowusedineachstage.Forexample:
Paragraph
Stagesinanexperiment
①
Findaproblem
②
Makeupaquestion
③
Thinkofamethod
④
Collectresults
⑤
Analyzeresults
⑥
Repeatifnecessary
⑦
Makeaconclusion
Suggestedanswers:
Paragraph
Stagesinanexperiment
Exampleinthisinvestigation
①
Findaproblem
Whatcausescholera?
②
Makeupaquestion
Whichtheoryiscorrect?
③
Thinkofamethod
Collectdataonthosewhowereillordiedandwheretheygottheirwater.
④
Collectresults
Plotinformationonamaptofindoutwherepeoplediedordidnotdie.
⑤
Analyzeresults
Analyzethewatertoseeifthatisthecauseoftheillness.
⑥
Repeatifnecessary
Findotherevidencetoconfirmyourconclusion.
⑦
Makeaconclusion
Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.
3.Listening.
Purpose:
TotrainSs’listeningability.
Listentothetapeandfollowitinalowvoice.
4.Languagepoints.
Purpose:
TotrainSs’languagecapacity.
(1)attendvt&vi
①出席;参加
Hedecidedtoattendthemeetinghimself.
②照顾;看护
Whichdoctorisattendingto(on)you?
③伴随
Theworkwasattendedwithmuchdifficulty.
(2)absorbvt.
①吸收
Aspongeabsorbswater.
②使专心
Thelittlegirlwasabsorbedinreadingatale.
(3)severeadj.
①严厉的;严格的
Ithinkyouaretoosevereontheboy.
②剧烈的
Hehasaseverepaininhisleg.
(4)announcevt
①发表、告知、宣布
Thegovernmentannounceditsneweconomicpolicies.
②宣布
HisservantannouncedMrandMrsWhite.
③显示;预告
Warmsunshineannouncesthecomingofspring.
Step4.Post-reading
Purpose:
Tohaveadeepunderstandingofthetext.
Groupwork
LetSsTalkaboutthefollowingquestions.Andpresenttheiropinionstothewholeclass.
1.WhatdoyouthinkofJohnSnow?
2.Doyouthinkhimgreatenough?
3.Ifyouwerehe,whatwouldyoudo?
Step5.Discussion
ThetextintroducespublichealthmedicinetoSs,whichislesswell-knownareaofmedicine.WiththearrivalofSARSinChinain2003,wedohavesomeknowledgeoftheeffectofinfectiousdiseasesonourlifeandlifestyle.
Discusswithyourpartnersingroupsofsixandtellusyourviews.
Step6.Homework
Trytowriteashortcompositionaboutafamiliarscientist.
Period3Listeningandspeaking(UsingLanguage)
TeachingGoals:
1.Tousethelanguagepointsandgrammarofthisunit.
2.TodevelopSs’listeningandspeakingabilities.
TeachingProcedures:
Step1.Leading-in
Purpose:
ToactivateSsandarousethemtotalkaboutscientificsubjects.
ShowthepicturesaboutthescientistsandaskSswhethertheyknowthem.AndmakesuretheyknowsomefamousscientistsinChina.
Step2.WarmingUp
Purpose:
ToleadSstothetopicofthisunit.
1.Groupwork
TheabovepicturesareallChinesefamousscientists.LetSstalkaboutthestoriesofthem.AndtheycanalsotalkaboutotherscientistsinChina.GetsomeSstopresenttheirstoriestotherestofclass.
2.Conclusion
AllofthemhavemadecontributionstothedevelopmentofChinesescienceandtechnology.ButdoyouknowwhothefatheroftheChinesespaceprogramis?
(QianXuesen)
Step3.Pre-listening
Purpose:
TohelpSslearnaboutthecontextoftheListeningpart.
1.Pairwork
AskSstodiscussthepictureswiththeirpartners.
2.Discussion
Discussthefollowingthreequestionsandpresentyouropinionstoyourclassmates.
(1)Howcanyoudescribethespace?
(2)Ifwehumanbeingsgointothespace,whatareneeded?
(3)Supposeyouareanastronaut,whatkindofqualitiesarenecessary?
Step4.While-listening
Purpose:
1.TogetthemaininformationintheListeningpart.
2.TodevelopSs’listeningability.
3.TolearnsomethingfromQianXuesen.
1.Listentothedialogue,focusingonthesubjectsmentionedinthepassage.
2.Listentothetapeandanswerthequestions.
Q1.WhatdidQianXuesenstudyfirst?
Q2.WhatexperiencedidhegetinAmericathatwasveryusefulforChina?
Q3.WhatwasQianXuesen’sachievementwhenhereturnedtoChinafromAmerica?
Suggestedanswers:
A1.QianXuesenfirststudiedtobeanengineer.
A2.InAmericahebegantoworkonspacerocketssothathewasabletodevelopaspaceprogrammewhenhecamebacktoChina.
A3.WhenQianXuesenreturnedtoChinahesetupaSpaceInstitutetobegintrainingpeopleinhowtodesignandbuildrockets.
3.Listentothetapeagainandmakesuretheanswersareright.
Step5.Speaking
Purpose:
1.TodevelopSs’speakingability.
2.Tolearnaboutthewordsforcharacterdescription.
1.Pre-speaking
Purpose:
ToarouseSs’interestandgetthemtofocusonthetopicoftheSpeakingpart.
Showthepicturesagain.
Pairwork
LetSsdiscussinpairsandpresenthowtheyachievedtheirsuccessintheir