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