IGCSE0973_w25_qp_31Written
IGCSE Co-ordinated Sciences (9–1) 0973/31 — October/November 2025 past paper
Paper 3 Theory (Core) (variant 1)Question 6d
About this past paper
This is the Cambridge IGCSE Co-ordinated Sciences (9–1) (0973) Paper 3 Theory (Core) past paper from the October/November 2025 exam series. The official mark scheme is here too, so you can check every answer the way an examiner would. The grade thresholds show the marks needed for each grade.
Cambridge's reference for this paper is 0973/31/O/N/25; the files are named 0973_w25_qp_31 and 0973_w25_ms_31.
Download it free with no account, or practise it online and have your answers marked against the mark scheme. See every IGCSE Co-ordinated Sciences (9–1) past paper, from 2019 to the latest series.