OCR Gateway · GCSE

GCSE Combined Science Topics

296 lessons across 4 units

This is the complete topic map for the OCR Gateway GCSE Combined Science course — every unit and topic from the specification in one place: 296 lessons across 4 units, from Biology to Practical Skills. Each topic below opens a focused revision lesson, so revision can start from the course as the exam board organises it — not from a guess about what might come up. Lessons marked Higher cover content that only appears on Higher-tier papers; everything unmarked is for all students.

Biology75 lessons
Chemistry90 lessons

C3 Chemical reactions

Physics115 lessons
Practical Skills16 lessons

What OCR Gateway GCSE Combined Science covers

The course is organised into 4 units: Biology (75 lessons), Chemistry (90 lessons), Physics (115 lessons) and Practical Skills (16 lessons). Together that's 296 lessons — the whole course, with nothing skipped and nothing added.

How to revise with this page

Little and often beats cramming. One topic a night, done properly — read it, try the questions, check yourself — moves a grade more than a weekend binge the week before the exam. The list above is deliberately complete so you can tick through it a topic at a time.

Start from what's coming up, not from the beginning. If a class test or mock is near, open the unit it covers and work through those topics first. Between assessments, work through units in order — later topics usually build on earlier ones.

For parents:you don't need to know the subject to help. Ask which topic tonight's lesson was, open it here, and let them teach it back to you — explaining something out loud is one of the most effective revision techniques there is. Signed-in students see ticks appear on this page as topics are completed, so progress through the course is visible at a glance.

Common questions

What topics are in OCR Gateway GCSE Combined Science?

OCR Gateway GCSE Combined Science covers 296 topics across 4 units: Biology, Chemistry, Physics and Practical Skills. Each topic on this page opens a focused revision lesson.

How many topics are in OCR Gateway GCSE Combined Science?

There are 296 topics in OCR Gateway GCSE Combined Science, grouped into 4 units. Some content is marked Higher tier and only appears on Higher-tier papers.

Is this the full OCR Gateway GCSE Combined Science specification?

Yes — this page lists every unit and topic on the OCR Gateway GCSE Combined Science specification, in the order the exam board organises it. Nothing is skipped and nothing is added.