外研版高中英语必修1Module5教案.docx

外研版高中英语必修1Module5教案.docx

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外研版高中英语必修1Module5教案

ModuleFiveALessoninaLab

PeriodOne

Teachingcontent:

Introduction;ReadingandVocabulary

Teachingimportantpoints:

1.Encouragethestudentstotalkaboutscienceaswellassciencesubjects;

2.Helpthestudentsmakesenseofthetwopassages;

3.Helpthestudentsimprovetheirreadingability.

Teachingdifficultpoints:

1.Leadthestudentstotalkinclassactively;

2.Dealwithsomedifficultlanguagepoints.

Teachingprocedures:

Step1Lead-inandIntroduction

Asyouknow,scienceisveryimportantinourlife.Thismodulewe`regoingtotalkaboutscienceandsciencesubjects.Firstlet`shaveaquiztoseehowmuchdoyouknowaboutgeneralscience.

1.Activity1onP41.

Choose;listenandcheck;compareandexplain.

2.Activity2onP42.

Completeindividually;askthestudentstogiveanswersandreasons;readoutthewordsaloudtogether.

3.Activity3onP42.

Completeindividually;askthestudentstogiveanswers;readoutthewordsaloudtogether.

Step2Pre-reading

Backgroundknowledgeofascientificexperiment.（Actitivy1onP44）

Readtounderstandandputinorder;comparetheanswer.

Suggestedanswer:

aim-method-result-conclusion

Step3Reading

PassageA

1.Fast-reading

ReadthroughpassageAsilentlytocatchitsmainidea.ThenfinishActivity2onP44.

Explainsomedifficultlanguagepointstothestudentsaftercheckingtheanswer.（Ref:

Notestothetext.）

2.Carefulreading

ReadpassageAverycarefullytofindouttheanswerstothequestionsinActivity3onP44.

（ReadthroughthequestionsinActivity3;readthepassageagainsilentlytofindanswers;checktheanswers.）

Suggestedanswers:

1）Potassium,calciumandsodium.

2）Itburnstoformanoxide.

3）Magnesium,aluminiumandzinc.

4）Ithasaslowreaction.

5）No,itdoesn’t.

PassageB

T:

Well,frompassageAwecanseehowinterestingtheexperimentaboutthereactionofmetalsis!

Butdoyouknowhowwecancarryoutachemicalexperimentinalabsuccessfully?

Andhowtodescribeascientificexperiment?

Nextwe`llreadPassageBtolearnsomethingaboutthetopic.

1.Fast-reading

ReadthroughpassageBsilentlytocatchitsmainidea.ThenfillinthetableonP45.

Explainsomedifficultlanguagepointstothestudentsaftercheckingtheanswers.（Ref:

Notestothetext.）

【*Inordertoleadthestudentstoreadthetextverycarefully,thefollowingtask-basedquestionscanbesignedtoaskthemtoanswer:

】

⑴Canyouguessthemeaningoftheword“apparatus”throughthecontext?

Haveyouknownalloftheapparatusesofthisexperiment?

⑵Inthesecondpartoftheexperiment,whymustyouboilthewater?

Andthenwhydoyouaddsomeoiltothewater?

ForQuestion1,somestudentsmaybefeelstrangetosomeapparatuses.Ifso,thefollowingpicturescanbetypedoutwiththehelpofcomputertohelpSstoknowabout:

2.Carefulreading

ReadpassageBverycarefullytofinishActivity5onP46.

（Readthepassageagainsilentlytofindanswers;checktheanswers.）

Step4Consolidation

ReadthewordsinActivity6toreview.

Step5SummaryandHomework

1.Summary:

Summarizewhattheyhavelearnedinthisperiod.

2.Homework:

ReadingonP93-94inworkbook.

Appendix:

Notestothetext

1.Itishardtothinkofaworldwithoutmetals.

Itis+adj.+（for/ofsb.）+todosth.

eg:

Itiseasytoclimbthehill.

Itisimpossibleforachildtoreachthatapple.

Itisverykindofyoutohelpme.

2.…howtheyreactwithdifferentsubstances…

reactwithsth.与……发生化学反映

reacttosth.对…作出反映

eg:

Doyouthinkcalciumreactswithwater?

你以为钙会与水发生反映吗？

Hedidn'treacttothenews.他对那消息没有反映。

3.Thereactionofmetalswiththesesubstancescanbeputinorder.

put…inorder把…按顺序放好

inorder有序的（地）

outoforder无序的（地）

eg:

Lily,putyourthingsinorderafteryouplaywiththem.

4.Thismakessurethereisnoairinthewater.

makesure确保，保证

eg:

Youmustmakesurewecangetthereontime.

5.Addsomeoiltothewater.Thiswillkeepairoutofthewater.

1）add…to…把…加到…

addto增加addupto共计是

eg:

addoiltothefire火上浇油

Ifyouaddthreetoseven,yougetten.

Thesenewly-builtgardensaddtothebeautyofthecity.这些新建的公园增添了那个城市的漂亮。

Thesenumbersaddupto50.这些数字加起来共计是50。

2）keep……outof使……不进入

eg:

Keepthedogoutoftheroom.不要让狗进入房间。

6.Usefulexpressions

atthetop（of）

atthebottom（of）

atleast

learnfrom

findout

hall-fillvt.把…填/装半满

air-freeadj.

PeriodTwo

Teachingcontent:

VocabularyandSpeaking&Vocabulary

Teachingimportantpoints:

1.Learntoresearchbycooperation;

2.Learntomakeuseofnumerals（['nju:

mərəl]n.数字/adj.数字的）todescribethingscorrectly.

Teachingdifficultpoints:

1.Leadthestudentstotakeanactivepartinclass;

2.Convert（[kən'və:

t]v.使转变,转变，变换）differentkindsofnumeralsfreelyandproficientlywiththehelpofwhattheylearninthisperiod.

Teachingprocedures:

Step1GreetingsandRevision

1.Greetthestudentsasusual.

2.CheckthehomeworkinlastperiodORasksomestudentstoreadthenewwordsinthismodule.

Step2VocabularyandSpeaking

1.Activity1onP42.（Cardinalnumbers（['kɑ:

dinəl]adj.要紧的，大体的））

Askthestudentstoreadthroughthenumberssilentlyandindividually.

TellthestudentstherulesofreadingcardinalnumbersinEnglishandcorrectthemistakesinthispart.

Askthestudentstoreadoutthenumbersaloudinthispartcorrectlyandindividually.

Suggestedanswers:

1）Theword“thousand”ismissingafter“fourhundredandseventy”;

2）Theword“one”（or“a”）ismissingbefore“hundredmillion”.

2.Activity2onP42.（Fractions['frækʃən]n.分数）

Askthestudentstoreadthroughthenumberssilentlyandindividually.

TellthestudentstherulesofreadingfractionsinEnglish.

Askthestudentstoreadoutthenumbersaloudinthispartcorrectlyandindividually.

Answers:

1.two-fifths;2.five-eighths;3.nine-tenths4.three-eighths;5.five-sixths.

3.Activity3onP42.（Percentages）

AskthestudentstoturnthefractionsinActivity2intopercentagesandtrytoreadthemoutinpairsorindividually.

TellthestudentstherulesofreadingpercentagesinEnglish.

Askthestudentstodescribethepercentagesaftertheexample.

Answers:

1.Aquarteristhesameas25%;2.Onethirdisthesameas33.33r%（thirty-threepointthreethreerecurringpercent）;3.Four-fifthsisthesameas80%;4.Onetenthisthesameas10%;5.Three-quartersisthesameas75%;6.Onehalfisthesameas50%;7.Two-thirdsisthesameas66.66r%（sixty-sixpointsixsixrecurringpercent）;8.Two-fifthsisthesameas40%;9.Five-eighthsisthesameas62.5%（sixty-twopointfivepercent）;10.Nine-tenthsisthesameas90%;11.Three-eighthsisthesameas37.5%（thirty-sevenpointfivepercent）;12.Five-sixthsisthesameas83.33r%（eighty-threepointthreethreerecurringpercent）.

【*recur[ri'kə:

]vi.重现；循环recurringadj.循环的；再发的】

4.Activity4onP43.（Consolidation）

Askthestudentstoaskandanswerinturninpairs;thenasksomepairstoactout.

【*5.Activity5onP43canbeomitted.】

Step3Vocabulary

1.Activity1onP46.（Decimals['desiməl]adj.小数的；十进位的n.小数）

Askthestudentstoreadthroughthenumberssilentlyandindividually.

TellthestudentstherulesofreadingdecimalsinEnglish.

Askthestudentstoreadoutthenumbersaloudinthispartcorrectlyandindividually.

Suggestedanswers:

1）pointfive（ornought（[nɔ:

t]n.零；没有）/zeropointfive）;2）twopointtwofive;3）pointsevenfive（ornought/zeropointsevenfive）;4）thirtypointfive;5）twelvepointthree.

【带分数的读法：

整数+分数，中间用and连接eg:

2又1/4twoandaquarter】

2.Activity2onP46.

Lookatthepicturestolearnabouttheequipmentandtheirnames.

Step4SummaryandHomework

1.Summary:

Summarizewhattheyhavelearnedinthisperiod.

2.Homework:

Activity5,6,7,9onP92-93inworkbook.

PeriodThree

Teachingcontent:

ListeningandWriting;Function&Task

Teachingimportantpoints:

1.Learntoresearchbycooperation;

2.Learntomakeuseofwordsandexpressionsofsequence（['si:

kwəns]n.序列；顺序）tomaketheirexperimentreportmorecoherent.

Teachingdifficultpoints:

1.Leadthestudentstotakeanactivepartinclass;

2.Describetheirscientificexperimentproficientlywithwhattheylearninthismodule.

Teachingprocedures:

Step1GreetingsandRevision

1.Greetthestudentsasusual.

2.Checkthehomeworkinlastperiod.

Step2ListeningandWriting

1.Activity1onP46.

ItisnecessaryforateachertogivetheSsabriefindicationbeforelistening.Forthislistening,theteachercansaytotheSs:

Wearegoingtolistentoadialoguethattakesplaceinalab.Ateacherhelpsastudentdoanexperiment.Inthisexperiment,themetalmagnesiumburnsinair.Isthereachangeinweightwhenthismetalburnsinair?

Firstlet’sguess/predicttheresultaccordingtowhatyouhavelearnedinchemistrylesson.

Suggestedanswer:

Theweightofthesubstancewillincrease,becausethemetalmagnesiumburnstoformanoxideinairaswehavelearnedinPassageA.

2.Activity2onP47.

Nowlet`slistentothedialoguetogetthemainideathistimeandtrytofindoutwhetherthereisachangeinweightwhenthemetalmagnesiumburnsinair.

3.Activity3onP47.

Listenagaintogetmoredetailsandtrytofillintheblanks.

Comparetheanswersandthenlistenonemoretimetochecktheanswers.

Suggestedanswers:

（Thestudentsdon`thavetowritedown,becauseit`tdifficulttowritedown.）

Aim:

tofindoutifthere’sachangeinweightwhenmagnesiumburnsinair.

Apparatus:

Magnesium,Bunsenburner,abalance,acrucible.

Method:

First,putthemagnesiuminthecrucible.

Thenputthecrucibleonthebalanceandweighit.

Next,lighttheBunsenburnerandholdthecrucibleoverittoheatthemagnesium.

Finally,weighthemagnesiumagain.【Ref:

FunctiononP48】

Result:

Itwei