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How to revise for GCSE science: a step-by-step plan

How to revise for GCSE science: combined versus triple, what to revise first, a weekly rhythm, required practicals and the maths, with sources.

How many exams are there in GCSE combined science?
GCSE combined science has six exam papers, two for each science. On AQA Trilogy each paper is 1 hour 15 minutes and 70 marks; on Edexcel and OCR Gateway Combined Science A each is 1 hour 10 minutes and 60 marks.
10 sources checked Updated 20 October 2026

Start here if mocks are in November

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How this guide works

  • One topic per page. Each question is answered in the first two sentences, then explained properly underneath.
  • Sources, not opinions. Exam structures, rules and figures link to the exam board, Ofqual or the research they come from.
  • Dated. Every page shows when it was last checked, and teacher-reviewed pages name the teacher.
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first GCSE paper 11 May 2027

Our tuition partner's teachers

When you book a free call, one of these two qualified teachers rings you back.

Louise Finn

Head of Science, Priority Education Ltd

Louise is a Head of Science and a qualified teacher who has taught science in classrooms for over 15 years. She co-directs Priority Education Ltd, the site's tuition partner.

Steven Finn

Deputy Headteacher, Priority Education Ltd

Steven is a Deputy Headteacher and a qualified teacher who has taught science in classrooms for over 15 years. He co-directs Priority Education Ltd, the site's tuition partner.

Free tool: build a GCSE revision timetableEnter the exam dates, the subjects and the hours you have. Get a week-by-week plan you can print and stick on the fridge. 2 minutes

Contents

ARevision that works

AQA Biology Required Practicals: Full GCSE Science List
Every AQA required practical for GCSE Biology, Chemistry and Physics, which ones Combined Science skips, how they are examined and how to revise at home.
6 min
Biology Paper 2 Revision: AQA Paper 1 vs Paper 2 Topics
Which AQA topics are on Paper 1 and Paper 2 for GCSE Biology, Chemistry and Physics, paper lengths and marks, the 2027 dates and how to use the gap.
7 min
GCSE Mock Exams: How to Prepare in Four Weeks
When Year 11 mocks happen, why they matter for tiers and contingency grading, a four-week mock revision plan, and what to do with the results.
7 min
How to revise chemistry GCSE: equations, maths, papers
How to revise chemistry GCSE: the paper 1 and paper 2 split, the equations and maths, what the exam gives you, required practicals and a weekly plan.
6 min
How to revise for GCSE biology: paper 1 and paper 2
How to revise for GCSE biology: the paper 1 and paper 2 topic split, a method for the six-mark questions, key words and required practicals.
5 min
How to revise for GCSE physics: equations and papers
How to revise for GCSE physics: the 2027 equation sheet rules, paper 1 and paper 2 topics, a four-line calculation method, units and required practicals.
6 min
How to revise for GCSE science: a step-by-step plan
How to revise for GCSE science: combined versus triple, what to revise first, a weekly rhythm, required practicals and the maths, with sources.
6 min
When to Start GCSE Revision: A Month-by-Month Plan
When should you start revising for GCSE? A month-by-month plan from the Year 10 summer to the confirmed 2027 exam dates, with sources.
7 min

BHome education and GCSEs

CChoosing and paying for a tutor

DTuition with Priority Education

A-Level Biology Tutor: Lessons from Qualified Teachers
An A-level biology tutor from Priority Education: the three AQA papers, the essay and data questions, what weekly lessons do, and Year 12 vs Year 13.
5 min
A-Level Chemistry Tutor: Lessons from Qualified Teachers
An A-level chemistry tutor from Priority Education: where marks go on the AQA papers, what weekly lessons do, and how Year 12 differs from Year 13.
5 min
A-Level Physics Tutor: Lessons from Qualified Teachers
An A-level physics tutor from Priority Education: the three AQA papers, multiple choice and practical analysis, and what weekly lessons do.
5 min
GCSE English Tutor: Language and Literature, Years 10-11
GCSE English tutor from Priority Education: AQA Language vs Literature, set texts (Macbeth, An Inspector Calls, A Christmas Carol), Years 10 and 11.
4 min
GCSE Maths Tutor: Small Groups, Years 8 to 13
A GCSE maths tutor from Priority Education: Foundation vs Higher tier, small groups by ability and target grade, Years 8 to 13, and lessons near Teesside.
5 min
GCSE Tutors in Teesside: Priority Education, Wynyard
GCSE and A-level tutors in Teesside: Priority Education, registered in Wynyard, and how families in Yarm, Stockton, Middlesbrough or Billingham ask about lessons.
4 min
Online GCSE Science Tuition: Combined, Triple and Practicals
Online GCSE science tuition explained: combined vs triple, weekly lessons, practicals on screen, and Priority Education's lessons, with format set on the call.
6 min

Section D Tuition with Priority Education

Tuition is by our partner, Priority Education Ltd

A small family business run by Louise and Steven Finn, registered at Companies House (number 14128301) and based in Wynyard, Teesside. One-hour weekly lessons, 4-hour Revision Booster days before mocks and exams, school-holiday lessons and support for home-educated students, locally in the Teesside area and with students nationally.

Section D: how the tutoring works

Quick questions

4 questions
Is Revision Sorted free?
Yes. Every article and the revision timetable tool are free to use, with nothing to sign up for. Revision Sorted earns from optional study packs, from clearly marked affiliate links, and from introducing families to its tuition partner.
Who writes the pages?
Revision Sorted researches and writes every page, and every claim about exams links to the exam board, Ofqual or the research it comes from. Pages reviewed by a qualified teacher say so, with the teacher's name.
Is this a tutoring agency?
No. Revision Sorted is a guidance site. Tuition is provided by its partner, Priority Education Ltd, a small family business run by two qualified teachers and registered at Companies House.
What happens when I book a free call?
You fill in a short form and Louise or Steven calls you back within one working day, Monday to Friday. They will say honestly whether tutoring is the right step for your child.
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