Syllabus - Cambridge O Level Combined Science 5129 - Version 1 - Use this syllabus for exams in 2029

Oct 23, 2026

Syllabus for Cambridge O Level Combined Science 5129, Version 1, for exams in 2029. Explains exam availability in November worldwide and June in Brunei only, and notes limited availability across administrative zones with reference to the official syllabus page. Provides key benefits of Cambridge O Level, guidance on terminology for screen readers, and an overview of aims, content, assessment objectives, subject areas, and detailed assessment components including practical work, measurement language, safety, apparatus, and data presentation. Includes notes on accessibility, making entries, after-exam use of grades, and confirmed suitability of previously endorsed textbooks.

LanguageEnglish

CategoryExam

FormatPDF

Pages64

Reading Time2 h 41 min

AccessFree to download

Why choose this syllabus?

1 Why choose this syllabus?

2 Syllabus overview

Aims

Content overview

Assessment overview

Assessment objectives

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 2029

Syllabus Cambridge O Level Combined Science 5129 Use this syllabus for exams in 2029. Exams are available in the November series. Exams are available 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 if](Please check the syllabus page at www.cambridgeinternational.org/5129 to see if) this syllabus is available in your administrative zone. Version 1 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? We work with schools worldwide to build an education that shapes knowledge, understanding and skills. Together, we give learners the confidence they need to thrive and make a positive impact in a changing world. As part of the University of Cambridge, we offer a globally trusted and flexible framework for education from age 3 to 19, informed by research, experience, and listening to educators. With recognised qualifications, high-quality resources, comprehensive support and valuable insights, we help schools prepare every student for the opportunities and challenges ahead. Qualifications that are recognised and valued worldwide From the world’s top-ranked universities to local higher education institutions, Cambridge qualifications open doors to a world of opportunities. Setting a global standard With over 160 years of experience in delivering fair, valid and reliable assessments to students worldwide, we offer a global, recognised performance standard for international education. Your path, your way Schools can adapt our curriculum, high-quality teaching and learning resources and flexible assessments to their local context. Our aligned offer helps Cambridge schools support every learner to reach their potential and thrive. Learning with lasting impact Cambridge learners build subject knowledge and conceptual understanding, and develop a broad range of skills, learning habits and attributes to help make them ready for the world. Improving learning outcomes through data-led insight and action Our trusted baseline and diagnostic assessments, together with our insights and evaluation service, help schools turn data into knowledge and actionable insights, to inform teaching decisions and improve learner outcomes. Bringing together a community of experts We bring together the collective knowledge of experts and our diverse community of educators worldwide, supporting them to learn from one another and share ideas and information. Tackling the climate crisis together We believe that education is key to tackling the climate crisis. Together with Cambridge schools, we can empower young people with the skills and knowledge to take action on climate change, helping them be ready for the world. School feedback: ‘We think the Cambridge curriculum is superb preparation for university.’ Feedback from: Christoph Guttentag, Dean of Undergraduate Admissions, Duke University, USA © Cambridge University Press & Assessment September 2026 Cambridge International Education is the name of our awarding body and a part of Cambridge University Press & Assessment, which 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? ............................................................................................... 2 1 Why choose this syllabus? ........................................................................................ 4 2 Syllabus overview ...................................

FAQs

When are the exams for Cambridge O Level Combined Science 5129 available in 2029?

Exams are available in the November series. They are also available in the June series in Brunei only.

Does this syllabus apply in all administrative zones?

No. This syllabus is not available in all administrative zones, and availability depends on the syllabus page for the specific administrative zone.

What major topics are included in the syllabus overview?

The syllabus includes aims, content overview, assessment overview, assessment objectives, subject content for Biology, Chemistry, and Physics, and detailed assessment requirements such as practical assessment, measurement language, safety, and data presentation.

Oct 23, 2026

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