Cambridge O Level Combined Science 5129 Syllabus for 2026, 2027 and 2028 - Version 2

Oct 23, 2026

Cambridge O Level Combined Science 5129 syllabus (Version 2) sets out the structure and key features for the 2026, 2027 and 2028 exam series. It explains availability by examination series and administrative zones, and provides accessibility notes for screen readers. The syllabus outlines programme rationale, quality management and ISO 9001:2015 certification, then details aims, subject content across biology, chemistry and physics, and comprehensive assessment guidance including practical assessment, apparatus and reagents, safety, and mathematical and data presentation requirements.

LanguageEnglish

CategoryExam

FormatPDF

Pages64

Reading Time2 h 41 min

AccessFree to download

Contents

Why choose Cambridge International?

1 Why choose this syllabus?

2 Syllabus overview

3 Subject content

Biology

Chemistry

Physics

4 Details of the assessment

Practical assessment

Language of measurement

Apparatus and reagents

Safety in the laboratory

Notes for use in qualitative analysis

The Periodic Table of Elements

Electrical symbols

Symbols and units for physical quantities

Mathematical requirements

Presentation of data

Conventions (e.g. signs, symbols, terminology and nomenclature)

Command words

5 What else you need to know

Before you start

Making entries

Accessibility and equality

After the exam

How students and teachers can use the grades

Changes to this syllabus for 2026, 2027 and 2028

Syllabus Cambridge O Level Combined Science 5129 Use this syllabus for exams in 2026, 2027 and 2028. Exams are available in the November series. Exams are avalable in the June series in Brunei only. This syllabus is not available in all administrative zones. Please check the syllabus [page at www.cambridgeinternational.org/5129 to see](page at www.cambridgeinternational.org/5129 to see) if this syllabus is available in your administrative zone. Version 2 For the purposes of screen readers, any mention in this document of Cambridge IGCSE refers to Cambridge International General Certificate of Secondary Education. Why choose Cambridge International? Cambridge International prepares school students for life, helping them develop an informed curiosity and a lasting passion for learning. We are part of the University of Cambridge. Our Cambridge Pathway gives students a clear path for educational success from age 5 to 19. Schools can shape the curriculum around how they want students to learn – with a wide range of subjects and flexible ways to offer them. It helps students discover new abilities and a wider world, and gives them the skills they need for life, so they can achieve at school, university and work. Our programmes and qualifications set the global standard for international education. They are created by subject experts, are rooted in academic rigour and reflect the latest educational research. They provide a strong platform for learners to progress from one stage to the next, and are well supported by teaching and learning resources. Learn more about our research [at www.cambridgeassessment.org.uk/our-research/](at www.cambridgeassessment.org.uk/our-research/) [We believe education works best when curriculum](We believe education works best when curriculum), teaching, learning and assessment are closely aligned. Our programmes develop deep knowledge, conceptual understanding and higher-order thinking skills, to prepare students for their future. Together with schools, we develop Cambridge learners who are confident, responsible, reflective, innovative and engaged – equipped for success in the modern world. Every year, nearly a million Cambridge students from 10 000 schools in 160 countries prepare for their future with the Cambridge Pathway. School feedback: ‘We think the Cambridge curriculum is superb preparation for university.’ Feedback from: Christoph Guttentag, Dean of Undergraduate Admissions, Duke University, USA Quality management Cambridge International is committed to providing exceptional quality. In line with this commitment, our quality management system for the provision of international education programmes and qualifications for students aged 5 to 19 is independently certified as meeting the internationally recognised standard, [ISO 9001:2015. Learn more at www.cambridgeinternational.org/about-us/our-standards/](ISO 9001:2015. Learn more at www.cambridgeinternational.org/about-us/our-standards/) © Cambridge University Press & Assessment September 2023 Cambridge Assessment International Education is part of Cambridge University Press & Assessment. Cambridge University Press & Assessment is a department of the University of Cambridge. Cambridge University Press & Assessment retains the copyright on all its publications. Registered centres are permitted to copy material from this booklet for their own internal use. However, we cannot give permission to centres to photocopy any material that is acknowledged to a third party even for internal use within a centre. Contents Why choose Cambridge International? ........................................................................ 2 1 Why choose this syllabus? ........................................................................................ 4 2 Syllabus overview ....................................................................................................... 7 Aims 7 Content overview 8 Assess

FAQs

Which exam series does this syllabus cover for Cambridge O Level Combined Science 5129?

The syllabus is for exams in 2026, 2027 and 2028. Exams are available in the November series, and the June series is available in Brunei only.

Where can schools check whether the syllabus is available in their administrative zone?

The document instructs users to check the syllabus page on www.cambridgeinternational.org/5129 to confirm availability in their administrative zone.

What assessment topics are covered in the details of the assessment section?

The syllabus includes practical assessment and guidance such as language of measurement, apparatus and reagents, laboratory safety, qualitative analysis notes, and requirements for data presentation, conventions, and command words.

Oct 23, 2026

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