高中英语Module5ALessoninaLab教案2外研版必修1.docx

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