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physics paper 3 sl markscheme物理学试卷评分.pdf

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–5–N11/4/PHYSI/SP3/ENG/TZ0/XX/M

SubjectDetails:PhysicsSLPaper3Markscheme

MarkAllocation

CandidatesarerequiredtoanswerquestionsfromTWOoftheOptions[2%20marks].

umtotal=[40marks]

1.Amarkschemeoftenhasmoremarkingpointsthanthetotalallows.Thisisintentional.Donotaward

morethantheummarksallowedforpartofaquestion.

2.Eachmarkingpointhasaseparatelineandissignifiedbymeansofasemicolon(;).

3.Analternativeanswerorwordingisindicatedinthemarkschemebyaslash(/).Eitherwordingcan

beaccepted.

4.Wordsinbrackets()inthemarkschemearenotnecessarytogainthemark.

5.Wordsthatareunderlinedareessentialforthemark.

6.Theorderofmarkingpointsdoesnothavetobeasinthemarkscheme,unlessstatedotherwise.

7.Ifthecandidate’sanswerhasthesame“meaning”orcanbeclearlyinterpretedasbeingof

equivalentsignificance,detailandvalidityasthatinthemarkschemethenawardthemark.

Wherethispointisconsideredtobeparticularlyrelevantinaquestionitisemphasizedby

writingOWTTE(orwordstothateffect).

8.Rememberthatmanycandidatesarewritinginasecondlanguage.Effectivecommunicationis

moreimportantthangrammaticalaccuracy.

9.Occasionally,apartofaquestionmayrequireananswerthatisrequiredforsubsequent

markingpoints.Ifanerrorismadeinthefirstmarkingpointthenitshouldbepenalized.

However,iftheincorrectanswerisusedcorrectlyinsubsequentmarkingpo

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