Pearson Edexcel International GCSE Science (Double Award) (4SD0)
A linear double-award course covering Biology, Chemistry and Physics through the Paper 1 content of each science.
Specification Issue 4, September 2024
Course structure and assessment routes
- Take all three papers at the end of the course. The additional Paper 2 content for separate Biology, Chemistry and Physics is not part of this award.
Main syllabus content
- Biology: organisms, life processes, inheritance, ecology and resources
- Chemistry: principles, inorganic, physical and organic chemistry
- Physics: mechanics, electricity, waves, energy, matter, magnetism, radioactivity and astrophysics
Use Syllabus for the topic checklist. Where the qualification offers options, follow your chosen route rather than treating every option as compulsory.
4SD0 assessment structure
Use the route above to identify which components you take. Marks below are raw marks; the stated weightings determine their contribution to the award.
4SD0/1B
Biology Paper 1
- Duration
- 2 hours
- Marks
- 110
- Weighting
- One third (33.3% as published)
Shared paper code: 4BI1/1B.
4SD0/1C
Chemistry Paper 1
- Duration
- 2 hours
- Marks
- 110
- Weighting
- One third (33.3% as published)
Shared paper code: 4CH1/1C.
4SD0/1P
Physics Paper 1
- Duration
- 2 hours
- Marks
- 110
- Weighting
- One third (33.3% as published)
Shared paper code: 4PH1/1P.
Key assessment information
- All papers are externally assessed and permit calculators. Percentage figures in the specification are rounded. This is Pearson 4SD0, not Cambridge 0654 or 0653.
Official sources and verification
Checked 2026-09-04 against the official 4SD0 syllabus/specification (PDF). Specification Issue 4, September 2024.
Source PDF pages: 13, 14, 15. PDF page positions may differ from printed page numbers.
IGCSEfy is an independent study aid. Check the full official document and your exam-paper instructions, especially exam-year options, equipment and centre arrangements. Older archive papers may follow an earlier syllabus.