nss chemistry public assessment dr. li tak man manager- assessment development hong kong...
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NSS CHEMISTRY PUBLIC ASSESSMENT
Dr. Li Tak ManManager- Assessment
DevelopmentHong Kong Examinations and
Assessment Authority
![Page 2: NSS CHEMISTRY PUBLIC ASSESSMENT Dr. Li Tak Man Manager- Assessment Development Hong Kong Examinations and Assessment Authority](https://reader036.vdocuments.us/reader036/viewer/2022082505/56649f3e5503460f94c5f117/html5/thumbnails/2.jpg)
Papers
Sections PartsTopics
examinedQuestions Questions Sections Papers
Paper 1(2.5
hours)
Section A
(18%)
Part I Topics 1-8 24 M.C. 24 M.C.Section A
(12%)
One paper only(100 mins)
Part II Topics 1-12* 12 M.C.
Section B
(42%)
Part I Topics 1-8
structured questions
(47 marks)essay (9 marks)
structured questions
(47 marks)essay (9 marks) Section B
(28%)
Part II Topics 1-12*structured questions
(28 marks)
Paper 2(1 hour)
20%
Topics 13-15#
structured questions
20 marks per elective (40 marks)
SBA 20%
10% SBA
Total 100%
50% Total
Chemistry Combined Science (Chemistry Part)
NSS CHEMISTRY PUBLIC ASSESSMENT
* Emphasis would be put on Topics 9-12
# May include contents of Topics 1-12SBA
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ChemistryPapers Sections Parts
Topics examined
Questions
Paper 1(2.5
hours)
Section A(18%)
Part I Topics 1-8 24 M.C.
Part II Topics 1-12* 12 M.C.
Section B(42%)
Part I Topics 1-8structured questions
(47 marks)essay (9 marks)
Part II Topics 1-12*structured questions
(28 marks)
Paper 2(1 hour)
20%
Topics 13-15#
structured questions20 marks per
elective (40 marks)
SBA 20%
Total 100%
* Emphasis would be put on Topics 9-12
# May include contents of Topics 1-12Public
Assessment
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Combined Science (Chemistry Part)
Public Assessment
Questions Sections Papers
24 M.C.Section A
(12%)
One paper only(100 mins)
structured questions(47 marks)
essay(9 marks)
Section B (28%)
10% SBA
50% Total
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NSS Chemistry School-based Assessment
SBA TASKS
Weight-ing
20% of Public Assessment
Mode Practical RelatedNon-practical
Related
Task type
Basic Chemical Analysis
ExperimentInvestigative
StudyAssignment
Task code
BCA EXPT IS ASSN
SBA Requirements
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Basic Chemical Analysis
Task content(student’s work)
VVolumetric Analysis Worksheet
DDetection for cations or anions or both Worksheet
In-class time 80 mins 20 mins
Out-of-school time 0 mins 0 mins
Means of assessment(teacher’s work)
Mark worksheet Mark worksheet
Percentage in SBA 10% 10%
Authentication Hand in worksheets in class time
SBA
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Experiment
Task content(student’s work)
•PPerform experiments suggested in the C & A Guide (other than VA & QA)•WWorksheet / simple report / detailed report on experiments performed; AND/OR Quiz on experimental procedures, data manipulation, results interpretation, safety measures, etc.
In-class time 80 mins
Out-of-school time 0 – 60 mins
Means of assessment(teacher’s work)
Mark worksheet / simple report / detailed report / quiz
Percentage in SBA 30%
Authentication
Hand in the followings in class time:•wWorksheet / simple report / raw data sheet (if detailed report to be finished at home) AND/OR•qQuiz
SBA
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Investigative Study
Task content(student’s work)
Design Process Report
In-class time 20 hours
Out-of-school time 2 hours
Means of assessment(teacher’s work)
MMark proposalAAssess lab/process skillsMMark written/oral reports, etc.
Percentage in SBA 10% 10% 10%
AuthenticationAllow group work & reportingIIndividual students to be questioned by teacher in class time
SBA
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Assignment
Task content(student’s work)
EExamples:DDesign a posterDDevelop a multimedia artifactWWrite a report after visiting industrial plantRRead materials and write a review
In-class time 1 hour
Out-of-school time 3 hours
Means of assessment(teacher’s work)
Mark assignments
Percentage in SBA 20%
Authentication
PPreparation performed at homeMMain part to be finished in class timeMMay ask students some related questions or even require them to make very short presentation, if needed
SBA
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SBA requirements
Number of assessments on SBA tasks
BCA EXPT IS ASSN
S6
1 3 1 1S5
S4
(BCA, EXPT, IS and ASSN should spread out evenly across
S5 and S6)
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SBA requirements
Number of Experiments(including BCA & EXPT, but excluding IS)
S6
11S5
S4 8
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NSS Combined Science (Chemistry Part) School –based Assessment
SBA REQUIREMENTS
Number of assessments on SBA tasks
Number of Experiments(including VA & EXPT)
VA EXPT ASSN
% in SBA 30% 40% 30%
S6
1 2 1 7S5
S4 4
(VA, EXPT and ASSN should spread out evenly across S5 and S6)