MARK SCH Mꬲ ꬲ – GCSꬲ COMBIN D ꬲ SCI NCꬲ ꬲ SYN RGYꬲ – 8465/3F – JUNꬲ 2023
25AQA
GCSꬲ
COMBIN D ꬲ SCI NC :ꬲ ꬲ SYN RGYꬲ
8465/3F
Foundation Ti rꬲPap rꬲ 3 Physical Sci nc sꬲ ꬲ
Mark sch mꬲ ꬲ
Junꬲ 2023 MARK SCH Mꬲ ꬲ – GCSꬲ COMBIN D ꬲ SCI NCꬲ ꬲ SYN RGYꬲ – 8465/3F – JUNꬲ 2023
24Information to xamin rsꬲ ꬲ
1.G n ralꬲ ꬲ
Thꬲ mark sch mꬲ ꬲ for achꬲ qu stionꬲ shows:
thꬲ marks availabl ꬲ for achꬲ part of thꬲ qu stionꬲ
thꬲ total marks availabl ꬲ for thꬲ qu stionꬲ
thꬲ typical answ r ꬲ or answ rs ꬲ which arꬲ xp ct dꬲ ꬲ ꬲ
xtraꬲ information to h lpꬲ thꬲ xamin rꬲ ꬲ makꬲ th irꬲ judg m ntꬲ ꬲ
thꬲ Ass ssm ntꬲ ꬲ Obj ctiv sꬲ ꬲ and sp cificationꬲ cont ntꬲ that achꬲ qu stionꬲ is int nd dꬲ ꬲ to cov r.ꬲ
Thꬲ xtraꬲ information is align d ꬲ to thꬲ appropriat ꬲ answ r ꬲ in thꬲ l ft-handꬲ part of thꬲ mark sch mꬲ ꬲ and should only b appli d to that it m in th mark sch m . ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
At th b ginning of a part of a qu stion a r mind r may b giv n, for xampl : wh r cons qu ntial ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
marking n dsꬲꬲ to bꬲ consid r d ꬲ ꬲ in a calculation; or thꬲ answ r ꬲ may bꬲ on thꬲ diagram or at a diff r nt ꬲ ꬲ
plac on th script.ꬲ ꬲ
In g n ralꬲ ꬲ thꬲ right-hand sidꬲ of thꬲ mark sch mꬲ ꬲ is th rꬲ ꬲ to provid ꬲ thosꬲ xtraꬲ d tailsꬲ which confus th ꬲ ꬲ
main part of th mark sch m y t may b h lpful in nsuring that marking is straightforward and ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
consist nt (for xampl , a sci ntifically corr ct answ r that could not r asonably b xp ct d from a ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
stud nt’s knowl dg of th sp cification).ꬲ ꬲ ꬲ ꬲ ꬲ
2.mbold ningꬲ ꬲ and und rliningꬲ
2.1In a list of acc ptablꬲ ꬲ answ rs ꬲ wh rꬲ ꬲ morꬲ than onꬲ mark is availabl ꬲ ‘any two from’ is us d,ꬲ with th numb r of marks mbold n d.ꬲ ꬲ ꬲ ꬲ ꬲ ach of th following bull t points is a pot ntial mark.ꬲ ꬲ ꬲ ꬲ
2.2A bold and is us dꬲ to indicat ꬲ that both parts of thꬲ answ r ꬲ arꬲ r quir dꬲ ꬲ to award thꬲ mark.
2.3Alt rnativꬲ ꬲ answ rs ꬲ acc ptablꬲ ꬲ for a mark arꬲ indicat d ꬲ by thꬲ usꬲ of or.
Alt rnativꬲ ꬲ words in thꬲ mark sch mꬲ ꬲ arꬲ shown by a solidus gꬲ allow smooth / frꬲꬲ mov m nt.ꬲ ꬲ
2.4Any wording that is und rlin dꬲ ꬲ is ss ntialꬲ ꬲ for thꬲ marking point to bꬲ award d. ꬲ MARK SCH Mꬲ ꬲ – GCSꬲ COMBIN D ꬲ SCI NCꬲ ꬲ SYN RGYꬲ – 8465/3F – JUNꬲ 2023
253.Marking points
3.1Marking of lists
This appli s ꬲ to qu stionsꬲ r quiringꬲ a s tꬲ numb r ꬲ of r spons s,ꬲ ꬲ but for which stud ntsꬲ hav ꬲ
provid d xtra r spons s. ꬲ ꬲ ꬲ ꬲ Th g n ral principl to b follow d in such a situation is that ‘rightꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
+ wrong = wrong’.
ach rror / contradiction n gat s ach corr ct r spons .ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ So, if th numb r of rrors / contradictions ꬲ ꬲ ꬲ qualsꬲ or xc dsꬲ ꬲꬲ thꬲ numb r ꬲ of marks availabl ꬲ for thꬲ qu stion,ꬲ no marks can b ꬲaward d. ꬲ
How v r,ꬲ ꬲ r spons sꬲ ꬲ consid r d ꬲ ꬲ to bꬲ n utralꬲ (indicat d ꬲ as * in xamplꬲ ꬲ 1) arꬲ not p nalis d.ꬲ ꬲ
xamplꬲ ꬲ 1: What is thꬲ pH of an acidic solution?
Stud nt ꬲR sponsꬲ ꬲMarks
award d ꬲ
1gr n,ꬲꬲ 50
2r d*,ꬲ 51
3r d*,ꬲ 80
xamplꬲ ꬲ 2: Nam ꬲ two magn tic ꬲ mat rials.ꬲ
Stud nt ꬲR sponsꬲ ꬲMarks award d ꬲ
1iron, st l,ꬲꬲ tin1
2cobalt, nick l,ꬲ nail*2
3.2Usꬲ of symbols / formula ꬲ[1 mark]
[2 marks]
If a stud nt writ s a ch mical symbol / formula inst ad of a r quir d ch mical nam , or us s ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
symbols to d notꬲ ꬲ quantiti s ꬲ in a physics quation,ꬲ full cr ditꬲ can bꬲ giv nꬲ if thꬲ symbol / formula is corr ct and if, in th cont xt of th qu stion, such action is appropriat .ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
3.3Marking proc dur ꬲ ꬲ for calculations
Marks should b award d for ach stag of th calculation compl t d corr ctly, as stud nts ar ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
instruct d ꬲ to show th irꬲ working. At any point in a calculation stud ntsꬲ may omit st psꬲ from th ir ꬲ
working. If a subs qu nt st p is giv n corr ctly, th r l vant marks may b award d. ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
Full marks arꬲ not award d ꬲ for a corr ctꬲ final answ r ꬲ from incorr ct ꬲ working.
3.4Int rpr tationꬲ ꬲ of ‘it’
Answ rs ꬲ using thꬲ word ‘it’ should bꬲ giv nꬲ cr ditꬲ only if it is cl arꬲ that thꬲ ‘it’ r f rsꬲ ꬲ to thꬲ corr ct ꬲ
subj ct.ꬲ
25AQA
GCSꬲ
COMBIN D ꬲ SCI NC :ꬲ ꬲ SYN RGYꬲ
8465/3F
Foundation Ti rꬲPap rꬲ 3 Physical Sci nc sꬲ ꬲ
Mark sch mꬲ ꬲ
Junꬲ 2023 MARK SCH Mꬲ ꬲ – GCSꬲ COMBIN D ꬲ SCI NCꬲ ꬲ SYN RGYꬲ – 8465/3F – JUNꬲ 2023
24Information to xamin rsꬲ ꬲ
1.G n ralꬲ ꬲ
Thꬲ mark sch mꬲ ꬲ for achꬲ qu stionꬲ shows:
thꬲ marks availabl ꬲ for achꬲ part of thꬲ qu stionꬲ
thꬲ total marks availabl ꬲ for thꬲ qu stionꬲ
thꬲ typical answ r ꬲ or answ rs ꬲ which arꬲ xp ct dꬲ ꬲ ꬲ
xtraꬲ information to h lpꬲ thꬲ xamin rꬲ ꬲ makꬲ th irꬲ judg m ntꬲ ꬲ
thꬲ Ass ssm ntꬲ ꬲ Obj ctiv sꬲ ꬲ and sp cificationꬲ cont ntꬲ that achꬲ qu stionꬲ is int nd dꬲ ꬲ to cov r.ꬲ
Thꬲ xtraꬲ information is align d ꬲ to thꬲ appropriat ꬲ answ r ꬲ in thꬲ l ft-handꬲ part of thꬲ mark sch mꬲ ꬲ and should only b appli d to that it m in th mark sch m . ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
At th b ginning of a part of a qu stion a r mind r may b giv n, for xampl : wh r cons qu ntial ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
marking n dsꬲꬲ to bꬲ consid r d ꬲ ꬲ in a calculation; or thꬲ answ r ꬲ may bꬲ on thꬲ diagram or at a diff r nt ꬲ ꬲ
plac on th script.ꬲ ꬲ
In g n ralꬲ ꬲ thꬲ right-hand sidꬲ of thꬲ mark sch mꬲ ꬲ is th rꬲ ꬲ to provid ꬲ thosꬲ xtraꬲ d tailsꬲ which confus th ꬲ ꬲ
main part of th mark sch m y t may b h lpful in nsuring that marking is straightforward and ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
consist nt (for xampl , a sci ntifically corr ct answ r that could not r asonably b xp ct d from a ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
stud nt’s knowl dg of th sp cification).ꬲ ꬲ ꬲ ꬲ ꬲ
2.mbold ningꬲ ꬲ and und rliningꬲ
2.1In a list of acc ptablꬲ ꬲ answ rs ꬲ wh rꬲ ꬲ morꬲ than onꬲ mark is availabl ꬲ ‘any two from’ is us d,ꬲ with th numb r of marks mbold n d.ꬲ ꬲ ꬲ ꬲ ꬲ ach of th following bull t points is a pot ntial mark.ꬲ ꬲ ꬲ ꬲ
2.2A bold and is us dꬲ to indicat ꬲ that both parts of thꬲ answ r ꬲ arꬲ r quir dꬲ ꬲ to award thꬲ mark.
2.3Alt rnativꬲ ꬲ answ rs ꬲ acc ptablꬲ ꬲ for a mark arꬲ indicat d ꬲ by thꬲ usꬲ of or.
Alt rnativꬲ ꬲ words in thꬲ mark sch mꬲ ꬲ arꬲ shown by a solidus gꬲ allow smooth / frꬲꬲ mov m nt.ꬲ ꬲ
2.4Any wording that is und rlin dꬲ ꬲ is ss ntialꬲ ꬲ for thꬲ marking point to bꬲ award d. ꬲ MARK SCH Mꬲ ꬲ – GCSꬲ COMBIN D ꬲ SCI NCꬲ ꬲ SYN RGYꬲ – 8465/3F – JUNꬲ 2023
253.Marking points
3.1Marking of lists
This appli s ꬲ to qu stionsꬲ r quiringꬲ a s tꬲ numb r ꬲ of r spons s,ꬲ ꬲ but for which stud ntsꬲ hav ꬲ
provid d xtra r spons s. ꬲ ꬲ ꬲ ꬲ Th g n ral principl to b follow d in such a situation is that ‘rightꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
+ wrong = wrong’.
ach rror / contradiction n gat s ach corr ct r spons .ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ So, if th numb r of rrors / contradictions ꬲ ꬲ ꬲ qualsꬲ or xc dsꬲ ꬲꬲ thꬲ numb r ꬲ of marks availabl ꬲ for thꬲ qu stion,ꬲ no marks can b ꬲaward d. ꬲ
How v r,ꬲ ꬲ r spons sꬲ ꬲ consid r d ꬲ ꬲ to bꬲ n utralꬲ (indicat d ꬲ as * in xamplꬲ ꬲ 1) arꬲ not p nalis d.ꬲ ꬲ
xamplꬲ ꬲ 1: What is thꬲ pH of an acidic solution?
Stud nt ꬲR sponsꬲ ꬲMarks
award d ꬲ
1gr n,ꬲꬲ 50
2r d*,ꬲ 51
3r d*,ꬲ 80
xamplꬲ ꬲ 2: Nam ꬲ two magn tic ꬲ mat rials.ꬲ
Stud nt ꬲR sponsꬲ ꬲMarks award d ꬲ
1iron, st l,ꬲꬲ tin1
2cobalt, nick l,ꬲ nail*2
3.2Usꬲ of symbols / formula ꬲ[1 mark]
[2 marks]
If a stud nt writ s a ch mical symbol / formula inst ad of a r quir d ch mical nam , or us s ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
symbols to d notꬲ ꬲ quantiti s ꬲ in a physics quation,ꬲ full cr ditꬲ can bꬲ giv nꬲ if thꬲ symbol / formula is corr ct and if, in th cont xt of th qu stion, such action is appropriat .ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
3.3Marking proc dur ꬲ ꬲ for calculations
Marks should b award d for ach stag of th calculation compl t d corr ctly, as stud nts ar ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
instruct d ꬲ to show th irꬲ working. At any point in a calculation stud ntsꬲ may omit st psꬲ from th ir ꬲ
working. If a subs qu nt st p is giv n corr ctly, th r l vant marks may b award d. ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ ꬲ
Full marks arꬲ not award d ꬲ for a corr ctꬲ final answ r ꬲ from incorr ct ꬲ working.
3.4Int rpr tationꬲ ꬲ of ‘it’
Answ rs ꬲ using thꬲ word ‘it’ should bꬲ giv nꬲ cr ditꬲ only if it is cl arꬲ that thꬲ ‘it’ r f rsꬲ ꬲ to thꬲ corr ct ꬲ
subj ct.ꬲ
