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0654 · Cambridge IGCSE

0654/61

Alternative to Practical

Sciences Co ordinated Double · June 2023 · Variant 1

Relative difficulty

Demanding · 3.5/5

Analysis source: Cambridge Assessment International Education

Analysis aligned to the official syllabus and assessment design.

Relative difficulty

3.5 / 5

Total marks

220

Duration

255 min

Most tested topic

Cohort performance

Session statistics from official examination reports

Total marks

220

Duration

255 min

Session difficulty

3.5 / 5

Key examiner messages

Top priorities from the principal examiner before you revise

1

The May/June 2023 series for Cambridge IGCSE Co-ordinated Sciences (0654) showcased a standard distribution of marks across Biology, Chemistry, and Physics.

2

While candidate recall of fundamental concepts was solid, significant hurdles remained in the precise application of kinetic theory, quantitative conversions, and the articulation of specific physical mechanisms such as vasodilation and wave characteristics.

Question difficulty map

How candidates performed on each question in this series

No data available in official reports

Assessment objectives

Skill and AO weighting from official examiner commentary

No data available in official reports

Method marks watchlist

Where working, steps, or method marks were commonly lost

No data available in official reports

Recurring mistakes across years

Themes examiners flag in multiple recent sessions for this subject

No data available in official reports

Question choice intelligence

Mean scores and popularity for optional questions (HKDSE electives)

No data available in official reports

Level exemplars

What candidate scripts at each grade level looked like

No data available in official reports

Grade & admission context

How marks relate to grade thresholds and entry standards

Report type

Cambridge Principal Examiner Report — component performance and international standards

Level A*

Approx. 77% of maximum mark

Level A

Approx. 64% of maximum mark

Level B

Approx. 52% of maximum mark

Level C

Approx. 40% of maximum mark

Level D

Approx. 34% of maximum mark

Level E

Approx. 28% of maximum mark

Deep insights

What top candidates did

Techniques and approaches examiners rewarded in this series

No data available in official reports

Command word playbook

How to match each command word to the expected response style

No data available in official reports

Time traps

Sections where candidates spent disproportionate time relative to marks

No data available in official reports

Syllabus traceability

Topics linked to questions and mark weighting in this session

No data available in official reports

MCQ trap analytics

Commonly chosen wrong options from examiner commentary

No data available in official reports

Topic heatmap across years

Mark concentration by topic and exam year for this subject

Mark intensity

LowHigh
Topic
2024
2025
Σ

Motion, forces and energy

13
18
31

Electricity and magnetism

14
12
26

Atoms, elements and compounds

14
14

Acids, bases and salts

12
12

Metals

12
12

Experimental techniques and chemical analysis

11
11

Difficulty trend

How session difficulty has shifted across recent years

202320242025
2023 June 2023 · 3.5/52024 June 2024 · 3.8/52025 June 2025 · 3.8/5

Paper comparison

Marks and duration breakdown across papers in this session

Paper 2 Multiple Choice (Extended):

40 marks45 min

Paper 4 Theory (Extended):

120 marks120 min

Paper 6 Alternative to Practical:

60 marks90 min

Marks you can still earn

Where valid approaches outside the mark scheme may still gain credit

No data available in official reports

Practise what examiners flagged

Target weak topics from this report inside the Revui app

Self-diagnostic checklist

Key actions before you sit this paper — copy and tick off as you revise

  • 1Message

    The May/June 2023 series for Cambridge IGCSE Co-ordinated Sciences (0654) showcased a standard distribution of marks across Biology, Chemistry, and Physics.

  • 2Message

    While candidate recall of fundamental concepts was solid, significant hurdles remained in the precise application of kinetic theory, quantitative conversions, and the articulation of specific physical mechanisms such as vasodilation and wave characteristics.

Teacher briefing pack

One-page session summary for tutors and classroom review

June 2023 2023

Sciences Co ordinated Double

The May/June 2023 series for Cambridge IGCSE Co-ordinated Sciences (0654) showcased a standard distribution of marks across Biology, Chemistry, and Physics. While candidate recall of fundamental concepts was solid, significant hurdles remained in the precise application of kineti

  • The May/June 2023 series for Cambridge IGCSE Co-ordinated Sciences (0654) showcased a standard distribution of marks across Biology, Chemistry, and Physics.

  • While candidate recall of fundamental concepts was solid, significant hurdles remained in the precise application of kinetic theory, quantitative conversions, and the articulation of specific physical mechanisms such as vasodilation and wave characteristics.

Total marks
220
Duration
255 min
Session difficulty
3.5 / 5

Session analysis

The May/June 2023 series for Cambridge IGCSE Co-ordinated Sciences (0654) showcased a standard distribution of marks across Biology, Chemistry, and Physics. While candidate recall of fundamental concepts was solid, significant hurdles remained in the precise application of kinetic theory, quantitative conversions, and the articulation of specific physical mechanisms such as vasodilation and wave characteristics.

Updated Jun 13, 2026

Paper breakdown

Paper 2 Multiple Choice (Extended):

40 marks45 min

Paper 4 Theory (Extended):

120 marks120 min

Paper 6 Alternative to Practical:

60 marks90 min

Exam tips

Paper format

Duration
1h 30min
Total marks
60

Analysis is paraphrased for study purposes. Always verify against the official examiner report and mark scheme.

0654/61 — Cambridge IGCSE Sciences Co ordinated Double (June 2023) | Revui