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1、Module5ALessoninaLabPeriod1Teachingaims:1.Tointroducesomegeneralscience.2.Tolearnsomewordsrelatedtothethemeofthismodule.3.Todevelopspeakingabilitybypracticingsayingthenumbers,especiallythefractions. Importantanddifficultpoints:1.Arousethestudents’interestsandloveinscience.2.E
2、nablethestudentstounderstandsomeelementsaboutthechemistrylab.3.Makethestudentsknowhowtoreadthenumbers.Teachingprocedures:Step1.IntroductionActivity1Theaimoftheactivityistoaskthestudentstofinishthequizaboutgeneralsciencetoarousetheirinterestinscience.Theactivitycanbedoneasfoll
3、ows:Firstly,askthestudentstogothroughthefollowingthequizandmaketheirchoiceontheirown.Quiz:Howmuchdoyouknowaboutgeneralscience?1.Waterexists__________.(a)asasolid,aliquidandagas(b)asasolidandaliquidonly2.Whenyouheatametal,itwill___________(a)expand(b)contract3.Steelismixtureof
4、_____________.(a)ironandothersubstances.(b)ironandoxygen4._______________oftheearth’ssurfaceiswater.(a)Two-thirds(b)50%5.Thedistanceofthesunfromtheearthis______________kilometers.(a)25,500(b)150,500,5006.Theearthis4.6______________yearsold.(a)million(b)billion7.Theearthis____
5、__________themoon(a)twiceaslargeas(b)forty-ninetimeslargerthanThenputthestudentsinpairstocomparetheiranswersandcallbacktheanswersfromtheclass.Finallyaskthemtolistentothetapeabouttheabovequizandchecktheiranswers.Answers:1.a;2.a;3.a4.a;5.b;6.b;7.b.Activities2&3Theteachercanprep
6、aresomecardsaboutdifferentthingsfortheclassatfirst.Beforeshowingthestudentsthecards,theteachercansaytothewholeclass:Thingscanbedividedintothreekinds,natural,man-made,andeithernaturalorman-made,nowI’llshowyousomecardsinmyhand,canyoutellmewhicharenatural,man-madeorboth?Afterthi
7、s,theteachercancontinuetosaytothewholetheclass:Canyougivesomeexamples?Thendividethewholeclassintotwobiggroupstocompete.TheteachercanasktheSstospeakoutasmanyexamplesaspossibleandwritedownthewordsinthetableontheblackboardasfollows:NaturalEg:wood,------Man-madeEg:glass,------Eit
8、hernaturalorman-madeEg:water,------Finally,asktheSstoopentheirbooksa