高中英语Module5ALessoninaLab教案2外研版必修1.docx
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高中英语Module5ALessoninaLab教案2外研版必修1
Module5ALessoninaLab
Period1
Introduction&VocabularyandSpeaking
Teachingaims:
1.Tointroducesomegeneralscience.
2.Tolearnsomewordsrelatedtothethemeofthismodule.
3.Todevelopspeakingabilitybypracticingsayingthenumbers,especiallythefractions.
Importantanddifficultpoints:
1.Arousethestudents’interestsandloveinscience.
2.Enablethestudentstounderstandsomeelementsaboutthechemistrylab.
3.Makethestudentsknow
Activity1
Theaimoftheactivityistoaskthestudentstofinishthequizaboutgeneralsciencetoarousetheirinterestinscience.Theactivitycanbedoneasfollows:
Firstly,askthestudentstogothroughthefollowingthequizandmaketheirchoiceontheirown.
Quiz:
Howmuchdoyouknowaboutgeneralscience?
1.Waterexists__________
(a)asasolid,aliquidandagas(b)asasolidandaliquidonly
2.Whenyouandothersubstances.(b)ironandoxygen
4._______________oftheearth’ssurfaceiswater.
(a)Two-thirds(b)50%
5.Thedistanceofthesunfromtheearthis______________kilometers.
6.Theearthis4.6______________yearsold.
(a)million(b)billion
7.Theearthis______________themoon
(a)twiceaslargeas(b)forty-ninetimeslargerthan
Thenputthestudentsinpairstocomparetheiranswersandcallbacktheanswersfromtheclass.
Finallyaskthemtolistentothetapeabouttheabovequizandchecktheiranswers.
Answers:
1.a;2.a;3.a4.a;5.b;6.b;7.b.
Activities2&3
Theteachercanpreparesomecardsaboutdifferentthingsfortheclassatfirst.Beforeshowingthestudentsthecards,theteachercansaytothewholeclass:
Thingscanbedividedintothreekinds,natural,man-made,andeithernaturalorman-made,nowI’llshowyousomecardsinmyyoutellmewhicharenatural,man-madeorboth?
Afterthis,theteachercancontinuetosaytothewholetheclass:
Canyougivesomeexamples?
Thendividethewholeclassintotwobiggroupstocompete.TheteachercanasktheSstospeakoutasmanyexamplesaspossibleandwritedownthewordsinthetableontheblackboardasfollows:
Natural
Eg:
wood,------
Man-made
Eg:
glass,------
Eithernaturalorman-made
Eg:
water,------
Finally,asktheSstoopentheirbooksatPage41andreadthewordsintheboxaloud.Ifpossible,theycanlookupthewordstoknowwhattheymean.Ofcourse,theabovecompetitionwillcontinue,thatistosay,atthismoment,theteachercanasktheSstoputthewordsintheboxonPage41intheirbooksintheabovetable.
VocabularyandSpeaking
Activity1
Theaimoftheactivityistobedonelikethis:
Beforedealingwiththeactivity,theteacherincreasingsequence,eg:
3three
33thirty-three
three”,“thousand”,and“ordertoconsolidatewhattheyjustlearned,theteachercanpracticesayingthenumbersatthetopofPage42withthestudentstomakesuretheSs.
ThenasktheSstogothroughtherestofthenumbersinActivity1andfindtheerrorsindividuallyaccordingtothedirections.
Finallytheteachercallsbacktheanswersfromtheclass.
Answers:
1)Theword“thousand”ismissingafter“four”.
Activity2
Firstly,theteacherpointatthefractionsandsaytheminEnglish.AtthesametimetheteachertheteacherandtheSsmakeananalysisabouttherulesofreadingfractionsinEnglishtogether.
FinallytheteacherasktheSstoreadtherestofthefractionsinActivity2onPage42intheirbooksinEnglishontheirown.Ifnecessary,theteachercanwritedownthecorrectanswersontheblackboardtocheckwhattheyread.
Answers:
1.two-fifths;2.five-eighths;3.nine-tenths4.three-eighths;5.five-sixths.
Activity3
Theteachershouldintroducetheconceptofpercentageatfirst,andthentheteacherwritedownsomepercentagesontheblackboardandreadthemoutinEnglish.
Eg:
35%→thirty-fivepercent(or:
35percent);50percentequalsapairstodescribethefractionsinActivity2aspercentagesinEnglish.
Answers:
1.Aquarteristhesameas25%;2.Onethirdisthesameas33.33r%(thirty-threepointthreethreerecurringpercent);3.Four-fifthsisthesameas80%;4.Onetenthisthesameas10%;5.Three-quartersisthesameas75%;6.Onepointfivepercent);12.Five-sixthsisthesameas83.33r%(eighty-threepointthreethreerecurringpercent).
Homework:
1.Previewthereadingpart.
2.WorkinpairstofinishActivities4&5onPage43.
Periods2&3
Reading&Vocabulary
Teachingaimsanddemands:
⒈Tolearnaboutsomevocabularyandknowledgerelatedtoscienceandexperiments
⒉Toknowaboutsomemetalsandgettoknowtheirmainusesinourlives
⒊TomakethestudentsknowEnglish
⒋Todealwithalltheactivities1-6aboutpassageAandpassageBonpage44-45
⒌Todevelopstudents’expressionabilityaswellasreadingabilitybypracticingthesetwopassages
⒍Toraisestudents’interestsinscienceandformtherigorousscientificattitude.
Teachingkeypoints:
⒈Tomakethestudentsunderstandandgraspthevocabularyandknowledgerelatedtoscienceandexperiments
⒉ToenablethestudentstoknowexperimentreportinEnglish
Teachingmethods:
⒈CommunicativeApproach
⒉Task-basedApproach
⒊Aural-oralApproachwiththe
Atfirstshowthestudentsthepictureofalabwiththedesignthefollowingquestionsandaskthestudentstodiscussthemingroups:
1.Areyouinterestedindoingscientificexperiments?
2.Supposeyouwanttodoachemicalexperimentaboutsomemetals,doyouthinkitisnecessarytoknowaboutordertocarryoutanexperimentsuccessfully,whatshouldyouprepareforit?
ThisstepistowarmupthestudentsandraisetheirintereststospeakEnglishinclass.Becauseallthesequestionsareveryclosetothestudents’dailylifeandstudying
Step2:
Pre-reading
Teacher:
Sinceyouareinterestedindoingscientificexperiments,nowlet’sgettoknowsomevocabularyandknowledgerelatedtoscienceandexperiments.
AtthesametimeIcantypeoutsomepicturesaboutsomemetalsonthescreenwiththe(铁)⑻copper(铜)
AsItypeouteachoftheabovepictures,Icanaskthestudentslikethis:
What’sthis?
Andwhatcanitbeusedfor?
Atthismomentthestudents’interestsareprobablyapproachingaclimax.SoIfurtheraskthemlikethis:
Doyouwanttoknowmoreaboutthesemetals?
Anddoyouknowusethesemetalsbetter?
Well,thisiswhatwe’llstudyverysoon.
Thisstepisemployedtocreatealanguageenvironmentforstudents’communicationandarousetheirinterestsinreadingpassageAandpassageBonpage44-45
Step3:
Reading
PassageA
T:
Well,let’sreadthroughpassageAwiththetapeofitveryquicklytotrytocatchitsmainidea.ThenfinishActivity2onpage44andgiveyourreasons.
Next,asktheSstoreadpassageAverycarefullytofindouttheanswersinActivity3onpage44.Finishthisactivitybymulti-mediacomputer.Itcanbedesignedasfollows:
1.Whichofthemetalsinthetablereactsthemostwithoxygenandwater?
Potassium,calciumandsodium.
2.Whatyouoxygen?
Itburnstoformanoxide.
3.Whichmetalsreactwithsteam?
Magnesium,aluminiumandzinc.
4.Doesironwithsteam?
It.
5.Doescopperreactwithwater?
No,itdoesn’t.
PassageB
T:
Well,frompassageAwecanseeofmetalsis!
Butdoyouknowcarryoutachemicalexperimentinalabsuccessfully?
Andwhatisthecorrectordertodescribeascientificexperiment?
AsktheSstolookatActivity1onpage44andgivethemabout2minutestodiscussit.Thencollecttheanswersfromthem.Atthesametimetypeoutthecorrectansweronthescreenwiththecomputerasfollows:
T:
Now,let’scometosee“Asimplescientificexperiment”!
ThenplaythetapeofpassageBforthestudentsandaskthemtoreadthepassagewiththetapequicklyandfinishActivity4onpage44.
Inordertoleadthestudentstoreadthetextverycarefully,thefollowingtask-basedquestionscanbesignedtoaskthemtoanswer:
⑴Canyouguessthemeaningoftheword“apparatus”throughthecontext?
Haveyouknownalloftheapparatusesofthisexperiment?
⑵Inthesecondpartoftheexperiment,whymustyouboilthewater?
Andthenwhydoyouaddsomeoiltothewater?
ForQuestion1,somestudentsmaybefeelstrangetosomeapparatuses.Ifso,thefollowingpicturescanbetypedoutwiththeinordertomaketheSsconsolidatewhattheyreadinpassageBandcheckiftheypage46canbetypedoutonthescreenwiththe
⒈Doyouthinkitiseasyordifficultforyoutocarryoutascientificexperimentwell?
Andcanyoudescribesimplewords?
⒉Ifyouwanttolearnsciencesubjectswell,whatqualitiesdoyouthinkyoushouldthislesson,inadditiontopenetratingthemoraleducationtolovescienceandformtherigorousscientificattitude.
Homework:
⒈WriteacompletescientificexperimentreportinsimpleEnglish.
⒉Underlinethelanguagepointsyoucan’tunderstandinthetext.
⒊GoontoreadtheCUTULCORNERreadingpassageofthismoduleonPage49.
Teachingsummary:
⒈We’velearntaboutsomevocabularyandknowledgerelatedtoscienceandexperiments
⒉We’vefinishedstudyingpassageAandpassageBonpage44-45.
⒊We’veknownalabsuccessfullyandwriteacompletescientificexperimentreportinsimpleEnglish
Period4
Grammar:
DegreesofComparison
Teachingobjectives:
Tomakethestudentsgrasptheusageofthedegreesofcomparison.
Importantanddifficultpoints:
⒈To.
⒉Toenablethestudentstoknowcorrectly.
Teachingprocedures:
Step1.Lead-in
PresenttheSsthefollowingsentencesontheBbandaskthemtodiscoverwhatkindofdegreesofcomparison.
⑴JackspeakEnglishasfluentlyasTom.
⑵Thisschoolisbetterthanthatone.
⑶Thisbookismoreinter