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Cambridge (CAIE) · IGCSE · Theory (Extended)

Co-ordinated Sciences 0654/43 · Oct/Nov 2025

Paper 4 variant 3 of the Oct/Nov 2025 series: 12 questions, 120 marks, 120 minutes. Cambridge published the grade thresholds for this exact series, so a full attempt here settles to a real grade.

Questions

12
  1. Question 15 marks
  2. Question 29 marks
  3. Question 311 marks
  4. Question 4
  5. Question 510 marks
  6. Question 610 marks
  7. Question 74 marks
  8. Question 81 mark
  9. Question 910 marks
  10. Question 1010 marks
  11. Question 119 marks
  12. Question 1211 marks

Sit 0654/43 Oct/Nov 2025 against the clock.

Every question marked point by point against the official scheme, then the total placed on the real threshold ladder for this series. Free accounts get one fully marked paper.

Sit this paperStart free

5 marked answers a day, free. No card.

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