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6.Typeofthelesson:

reading

7.Lessonduration:

45mins

8.Teachingprocedure:

Step/

time

Interactionpatterns

TeacherActivities

StudentActivities

Purpose

Resources

1/

5min

Groupwork

writedownthewordsintheintroductionontheblack-board,andthenteachthemthemeaningofeachwordbyquestioning.

Answerteacher’squestions

toletthestudentsknowandgetfamiliarwiththenewwordsinINTRODUCTION:

expand,contract,mixture,substance,oxygenandelectricity

2/

10min

Pairwork

AskthestudentstoreadthesentencesinActivity1onpage41,andthenpickoutthecorrectones.Atthesametimeaskthemtopayattentiontothenewwords.AtlastchecktheanswerstoActivity1withthewholeclass.

ForActivity2,askthestudentstoworkinpairstofinishthetask.Ifpossible,askthemtogivetheirreasonsfordoingso.

pickoutthecorrectsentencesandgivereasons.

tohelpthemknowthatmaterialsarearoundallofus,andweshouldusethemcorrectlyandreasonably.

DesktopwithHotpotato

Seeex.

（

3/

Individualwork

Activity1:

findthecorrectordertodescribethestagesofascientificexperiment;

Activity2,findthebesttitleforthepassage;

Activity3,answersomequestionsaboutthepassage.

Astudentcomestotheblackboardandwritesdownthestructureoftext.

Tohelpstudentsknowthepassagebetter.

OHP

whiteboard

4/

10mins

Letthestudentsreadaftertheteacher,andthenworkinpairstofindthemeaningsofthenewwords.

Rememberthenewwordsquickly

5/

Askthestudentstotranslatethefollowingsentences,andgetfamiliarwiththesentencestructures.

Showthefollowingsentencesonthescreen.

1.Itishardtothinkofaworldwithoutmetals.

2.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.

3.Thismakessurethereisnoairinthewater.

Translatethefollowingsentences

Masterthesesentencesandtrytousethemaccordingtotheirownexample.

6/

5min

Wholeclasswork

AskstudentstodoExercises6,7and8onpages92&

93

DoExercises6,7and8onpages92&

helpusrememberthenewwordsandexpressionsaboutscientificexperiment

.

HelpthestudentstoreadandwritesomeEnglishnumberscorrectly.

Helpthestudentsfindthemainpartsofanexperimentwhiletheyarelistening.Helpthestudentsknowtherulesofexpressingnumbers.

Helpthestudentsguessthemainpartsofalisteningmaterialfromthetips.

LetthestudentspayattentiontothekeywordsinthematerialsaboutAim,Equipment,Method,Result,andConclusion.

HelpthestudentsreadsomelargeEnglishnumbers.

listeningandspeaking

Revision

Checkthestudents’homework.ForExercises6and7,givethemanswersheet.ForExercise8,ask10studentstoreadoutthecompletesentencesonebyone.Theyshouldpayattentiontotheirpronunciationandintonation.

studentstoreadoutthecompletesentencesonebyone.

Checkifstudentshavefinishedtheirhomework.Tohelpstudentspronouncebetter.

AskthestudentstoscanthethreeactivitiesinLISTENINGANDWRITINGonP46,sothattheyknowwhattheyaregoingtodo,andtrytogetreadytocatchthekeywordsorkeysentenceswhentheyarelistening.

Scanthethreeactivitiesandtrytogetreadytocatchthekeywordsorkeysentences.

Thestudentscangetmorefamiliarwithsomenewwordsandexpressions,andalsogetfamiliarwiththedescriptionofanexperiment

Askthestudentstoreadtheexercisesbeforelistening,includingExercises13,14and15,sothattheyknowclearlywhattheyaregoingtodo.

Writethefollowingsentencesonthescreen.

a）Bobiswritingaconclusion.

b）Heissqueezingalemon.

c）Heisgoingtofirethepaper.

d）Thisistheaimoftheexperiment.

e）Hejustlightedacandle.

f）Heisgoingtowritesomethingonthepaper.

g）Heisblowingthepaper.

Doastheteachersuggests.

Theyknowclearlywhattheyaregoingtodo.

Findtherulesandthenworkinpairstoreadthemcorrectly.

Screen1:

A2202002,00020,000200,0002,000,00020,000,000

Findtherulesandread.

helpthestudentsmastertherulesofreadingEnglishnumbers

TocheckwhetherthestudentshavemasteredthewayofreadingEnglishnumbers,letthemlookatthenumbersinActivity1.Therearetwomistakes.Letthestudentsreadthenumbersandfindthemistakes.

Thestudentsreadthenumbersandfindthemistakes.

TocheckwhetherthestudentshavemasteredthewayofreadingEnglishnumbers

Homework:

OneistopreviewVocabularyonpage46;

TheotheristofinishExercise9onpage93andExercise15onpage95

Consolidatewhattheyhavelearnedinclass.

writing

Checkthestudents’homework.ForPRONUNCIA-TION,askthestudentstoreadthefivesentences,andthenplaythetapeforthemtofollow.Askthemwhathappenswhentheyreadquestions.ForEVERY-DAYENGLISH,askthestudentstochoosethecorrectmeaningsindividually,andthenaskthemtocomparetheiranswerswiththeirpartners’.Atlast,checktheanswerswiththewholeclass.

readthefivesentences

GetfamiliarwiththemeaningsofthephrasesinEVERTDAYENGLISH.

Givethem2or3minutestopreparethetask,andthenasksomeofthemtoreadouttheirdescriptions.

readouttheirdescriptions

topreparethetask

Askthestudentstolookatthewordsinitalicsandthenanswerthequestion:

answerthequestion

toletthestudentsmasterthewordsandexpressionsofsequence.

askthestudentstopracticethewayofdescribinganexperiment,andalsomakeuseofthefunctionwords.

Youcanrefertotheplanandpicturesonpage95toorganizeyourideas.

makeuseofthefunctionwords.

Askstudentstodoanexperiments.

Theaimofthisexperimentistowriteasecretmessagewithinvisibleink.

alemon,asmallcontainer,apen,somewhitewritingpaper,acandleandsomematches.

1.Targetlanguage目标语言

a.重点词汇和短语

alittle,abit,alot,rather,no,any,（very）much,lots

b.重点句式

Theearthisforty-ninetimeslargerthanthemoon.P43Theearthisforty-ninetimesaslargeasthemoon.P43

It’sgettingbrighterandbrighter!

P47Thecloseryouare,themoreyou’llsee.P47

ThemorebooksIread,themoreinformationIlearn.P47

2.Abilitygoals能力目标

Enablethestudentstolearndegreesofcomparisonandsomeadverbsusedtomodifythecomparativedegree.

Grammar

Theusagesofthecomparativedegree.

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