IGCSE Physics 0625 — March 2023 Past Papers, Topics & Exam Tips
The Cambridge IGCSE Physics (0625) March 2023 session consisted of 6 papers, covering 15 syllabus topics across all papers. This page links to every question paper, mark scheme, grade threshold and session feedback document released by Cambridge for this session, together with a topic-level breakdown of what was tested and topic-matched exam tips in our own voice.
Study Resources for Physics
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Jump straight to the topics this session tested most:
0625 March 2023 Papers
0625 Paper 1 - Multiple Choice (Core)
45 min • 40 marks
Tests broad syllabus knowledge with 40 questions. Each question has four options (A-D). Core tier paper.
0625 Paper 2 - Multiple Choice (Extended)
45 min • 40 marks
Extended tier multiple choice with more challenging questions covering the full syllabus. 40 questions, 45 minutes.
0625 Paper 3 - Theory (Core)
1 hr 15 min • 80 marks
Structured and free-response questions testing understanding and application. Core tier, grades available C-G.
View syllabus topics tested in Paper 3 (11 topics, 80 marks total)
This 0625 Paper 3 from March 2023 tests 11 different syllabus topics. The highest-weighted topic is Energy, work and power (Motion, forces and energy) worth 15 marks out of 80 total marks. Other significant topics include Density (10 marks) and General properties of waves (9 marks).
Mark distribution by topic:
Understanding which topics carry the most marks helps you prioritize your Physics revision. Practice questions from high-mark topics like Energy, work and power to maximize your score.
0625 Paper 4 - Theory (Extended)
1 hr 15 min • 80 marks
Extended tier theory paper with more demanding questions. Full grade range A*-G available with this paper.
View syllabus topics tested in Paper 4 (9 topics, 80 marks total)
This 0625 Paper 4 from March 2023 tests 9 different syllabus topics. The highest-weighted topic is Energy, work and power (Motion, forces and energy) worth 13 marks out of 80 total marks. Other significant topics include Kinetic particle model of matter (11 marks) and Light (10 marks).
Mark distribution by topic:
Understanding which topics carry the most marks helps you prioritize your Physics revision. Practice questions from high-mark topics like Energy, work and power to maximize your score.
0625 Paper 5 - Practical Test
1 hr 15 min • 40 marks
Tests practical skills including planning experiments, recording data, and drawing conclusions from results.
View syllabus topics tested in Paper 5 (3 topics, 40 marks total)
This 0625 Paper 5 from March 2023 tests 3 different syllabus topics. The highest-weighted topic is Physical quantities and measurement techniques (Motion, forces and energy) worth 11 marks out of 40 total marks. Other significant topics include Kinetic particle model of matter (11 marks) and Electrical quantities (11 marks).
Mark distribution by topic:
Understanding which topics carry the most marks helps you prioritize your Physics revision. Practice questions from high-mark topics like Physical quantities and measurement techniques to maximize your score.
0625 Paper 6 - Alternative to Practical
1 hr • 40 marks
Written paper testing practical skills through questions about experimental methods, data, and analysis.
View syllabus topics tested in Paper 6 (3 topics, 40 marks total)
This 0625 Paper 6 from March 2023 tests 3 different syllabus topics. The highest-weighted topic is Physical quantities and measurement techniques (Motion, forces and energy) worth 11 marks out of 40 total marks. Other significant topics include Kinetic particle model of matter (11 marks) and Electrical quantities (11 marks).
Mark distribution by topic:
Understanding which topics carry the most marks helps you prioritize your Physics revision. Practice questions from high-mark topics like Physical quantities and measurement techniques to maximize your score.
Topic coverage in March 2023
Marks in this session were weighted unevenly across the 15 syllabus topics, with the heaviest emphasis on Kinetic particle model of matter. Substantial weight also fell on Physical quantities and measurement techniques and Energy, work and power , with Electrical quantities and Electric circuits rounding out the five most-tested areas. Together these five topics made up about 61% of the topic-level marks awarded in the March 2023 session — a useful signal for where to focus revision time. The full topic-by-paper breakdown is further down the page.
Exam tips for topics in March 2023
- → Kinetic particle model of matter: Whenever explaining kinetic theory, specifically talk about the motion of particles and how momentum changes.
- → Physical quantities and measurement techniques: The main technique for setting up the experiment is being as close to perpendicular to the surface as possible.
- → Energy, work and power: Master the energy conservation principle and rehearse the transformation of energy between GPE and KE as an object falls.
- → Electrical quantities: Memorize Lenz's law: the induced e.m.f. resists the change in magnetic flux that caused it.
- → Electric circuits: A closed switch makes a complete circuit, allowing current to flow; an open switch breaks the circuit, stopping the flow.
Other Resources
Additional materials to help you prepare and understand how exams are marked.
What was tested on each paper — 0625 March 2023
Here's which syllabus topics appeared in each of the 6 Physics 0625 papers in March 2023 and how the marks broke down. Focus your revision on the papers you're sitting — Papers 1, 3 and 5 or 6 for Core tier; Papers 2, 4 and 5 or 6 for Extended tier. Click any topic below to jump straight to our revision notes, or browse the full Physics 0625 revision guide →.
Paper 3 — Theory (Core) · 80 marks total
Tested 11 topics. The heaviest-weighted were Energy, work and power (15m), Density (10m), General properties of waves (9m), Physical quantities and measurement techniques (7m), Motion (6m) and Kinetic particle model of matter (6m), plus 5 other topics.
Paper 4 — Theory (Extended) · 80 marks total
Tested 9 topics. The heaviest-weighted were Energy, work and power (13m), Kinetic particle model of matter (11m), Light (10m), Electric circuits (9m), Sound (8m) and Electromagnetic effects (8m), plus 3 other topics.
Paper 6 — Alternative to Practical · 40 marks total
Tested 3 topics. The heaviest-weighted were Physical quantities and measurement techniques (11m), Kinetic particle model of matter (11m) and Electrical quantities (11m).
0625 March 2023 at a glance
- Papers: 6
- Topics covered: 15
- Highest-weighted topic: Kinetic particle model of matter
- Grade thresholds: released by Cambridge (linked above)
- Session feedback: Cambridge report available
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0625 Study Tips & FAQ
What are paper variants?
Cambridge releases multiple variants of each paper (e.g., Paper 11, 12, 13) to accommodate different time zones around the world and maintain exam security.
Which variant you sit is set by your school's administrative zone: in the November 2026 timetable, for 0625, Variant 1 is sat in Zones 2 and 3, Variant 2 in Zones 4 and 5, and Variant 3 in Zones 1 and 6. Which zones sit which variant differs from subject to subject, so ask your exams officer which zone your school is in.
All variants cover the same syllabus and have similar difficulty. Practice with any variant to prepare effectively for your exam.
How to use Mark Schemes effectively
Mark schemes show exactly how examiners award marks for each question. Understanding them helps you write answers that earn full marks.
Example from a Physics mark scheme:
Mark scheme answer:
• speed = distance / time [1 mark for formula]
• speed = 150 / 5 = 30 m/s [1 mark for correct answer with unit]
Tips:
- Look for key words that must appear in your answer
- Note how many points are needed for each mark
- Check if units are required for the final mark
- Understand the difference between "state" (brief) and "explain" (detailed)
Understanding Grade Thresholds
Grade thresholds show the minimum marks needed for each grade. They vary each session based on paper difficulty — harder papers have lower thresholds.
March 2023, option BY (components 22, 42, 52), out of 200:
From the Cambridge grade threshold table, March 2023. Each option has its own thresholds: see every 0625 session.
How to use thresholds:
- Set realistic target marks based on your goal grade
- Track your practice paper scores against thresholds
- Remember: you don't need 100% for an A* — aim for consistency
- Compare thresholds across sessions to gauge difficulty trends
How is the topic breakdown calculated?
The "Topics Breakdown by Paper" section above shows which syllabus topics are tested in each paper and how many marks they carry. Here's how we calculate this:
Our methodology:
- Extract questions: We analyze each question paper (QP) and identify individual questions and their mark allocations (shown in square brackets, e.g., [3]).
- Match to syllabus: Each question is matched to the official Cambridge 0625 syllabus topics based on keywords, concepts, and question content.
- Sum marks per topic: For each paper, we add up the marks for all questions testing the same topic. For example, if Q1 (4 marks) and Q5b (3 marks) both test the same topic, that topic shows as "7 marks" for that paper.
How to use this: Look at the paper(s) you'll be taking (e.g., Papers 2, 4 and 5 or 6 for Extended tier). The topics with the highest marks in YOUR papers are where you should focus your revision. A topic worth 15 marks deserves more study time than one worth 3 marks.
Note: Our topic matching may be inaccurate for questions that span multiple topics. Use this as a guide alongside the official syllabus.
How to Use IGCSE Physics Past Papers
📝 Timed Practice
Complete papers under exam conditions. 0625 Paper 4 (Theory, Extended) is 1 hr 15 min - practice finishing within this time to build exam stamina.
✅ Self-Marking
Use the mark scheme to score your answers. Look for marking points you missed and understand what examiners expect in Physics responses.
📊 Examiner Reports
Read the 0625 examiner report to see common mistakes. Focus revision on topics where candidates typically lose marks.
🎯 Grade Targets
In March 2023, an A* in IGCSE Physics needed 132 to 133 out of 200 (66% to 67%) on the Extended options, depending on the option (Cambridge grade threshold table, March 2023). See the grade thresholds for every 0625 session.
Frequently Asked Questions
Where can I download IGCSE Physics March 2023 past papers?
Are 0625 mark schemes included?
What papers are available for IGCSE Physics 0625?
What is the difference between paper variants 11, 12, and 13?
How can I practice these past papers effectively?
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