This is a PDF file of the mark scheme for the GCSE Gateway Science Suite J640 - J645 examination awarded by OCR (Oxford, Cambridge and RSA Examinations).
This document is the official mark scheme for the Gateway Science Suite J640‑J645 GCSE units. It is issued by OCR (Oxford Cambridge and RSA Examinations) to help teachers and students understand how marks are awarded.
The mark scheme lists the acceptable answers, marking conventions, and grade thresholds for each unit, and provides contact details for OCR support.
The mark scheme is published by OCR (Oxford Cambridge and RSA Examinations).
It is published as an aid to teachers and students to indicate the requirements of the examination.