Edexcel GCSE (9–1) Combined Science (1SC0) Past Papers: Mark Schemes & Revision Guide
Prepare for your Edexcel GCSE (9–1) Combined Science exams in 2027 with past papers, mark schemes and focused revision resources at Exam Papers Practice. The Edexcel Combined Science (1SC0) specification covers Biology, Chemistry and Physics, helping students develop scientific knowledge, practical understanding and problem-solving skills. Practising Edexcel GCSE Combined Science past papers and exam questions can help you identify weak topics, improve calculations and understand how marks are awarded. Choose resources that match your Foundation or Higher Tier and practise regularly to build exam confidence.
Edexcel GCSE Combined Science Exam Overview
Edexcel GCSE Combined Science (1SC0) consists of six written examination papers. Each paper lasts 1 hour and 10 minutes, carries 60 marks and contributes approximately 16.67% of the qualification. Students must take the same tier across all six papers.
| Exam Paper | Subject | Duration | Marks |
|---|
| Paper 1 | Biology 1 | 1 hour 10 minutes | 60 |
| Paper 2 | Chemistry 1 | 1 hour 10 minutes | 60 |
| Paper 3 | Physics 1 | 1 hour 10 minutes | 60 |
| Paper 4 | Biology 2 | 1 hour 10 minutes | 60 |
| Paper 5 | Chemistry 2 | 1 hour 10 minutes | 60 |
| Paper 6 | Physics 2 | 1 hour 10 minutes | 60 |
All six papers are available at Foundation and Higher Tier. For official specification details, visit the Pearson Edexcel GCSE Combined Science qualification page.
Edexcel GCSE Biology Past Papers (1SC0)
Biology assesses your understanding of living organisms, cells, genetics, health and ecosystems. Practise both Biology papers to strengthen your knowledge and application of biological concepts.
Paper 1: Biology 1
Key topics to revise:
Key Concepts in Biology: Cell structure, microscopy, enzymes and biological processes.
Cells and Control: Cell division, growth and specialised cells.
Genetics: Inheritance, DNA and genetic information.
Natural Selection and Genetic Modification: Evolution, adaptation and selective breeding.
Health, Disease and Medicines: Communicable diseases, non-communicable diseases and drug development.
Use Edexcel GCSE Biology Paper 1 past papers and mark schemes to practise scientific explanations, data interpretation and application questions.
Paper 4: Biology 2
Key topics to revise:
Plant Structures and Their Functions: Photosynthesis, plant transport and mineral requirements.
Animal Coordination and Homeostasis: The nervous system, hormones and maintaining internal conditions.
Exchange and Transport: Gas exchange, circulation and transport systems.
Ecosystems and Material Cycles: Food chains, biodiversity, nutrient cycles and environmental relationships.
Practise Edexcel Combined Science Biology Paper 2 questions to improve your understanding of biological processes and develop accurate, well-structured answers.
Edexcel GCSE Chemistry Past Papers (1SC0)
Chemistry covers atomic structure, bonding, chemical reactions, quantitative chemistry and the properties of substances. Regular past paper practice can improve your calculations and ability to explain chemical changes.
Paper 2: Chemistry 1
Key topics to revise:
Key Concepts in Chemistry: Atomic structure, the periodic table and chemical calculations.
States of Matter and Mixtures: States of matter, separation techniques and purity.
Chemical Changes: Acids, reactions, reactivity and electrolysis.
Extracting Metals and Equilibria: Metal extraction and relevant chemical processes.
Use Edexcel GCSE Chemistry Paper 1 past papers and mark schemes to practise equations, calculations and explanations of chemical reactions.
Paper 5: Chemistry 2
Key topics to revise:
Groups in the Periodic Table: Properties and reactions of selected elements.
Rates of Reaction: Factors affecting reaction rates and experimental investigations.
Fuels and Earth Science: Hydrocarbons, combustion, atmospheric changes and resources.
Chemical Analysis and Practical Skills: Interpreting results, identifying substances and evaluating experiments.
Practise Edexcel GCSE Chemistry Paper 2 exam questions to improve your understanding of chemical principles, calculations and practical data.
Edexcel GCSE Physics Past Papers (1SC0)
Physics tests your understanding of energy, forces, motion, electricity, waves and matter. Practising past papers helps you apply equations correctly and explain physical phenomena using scientific terminology.
Paper 3: Physics 1
Key topics to revise:
Key Concepts of Physics: Units, measurements and scientific methods.
Motion and Forces: Speed, acceleration, forces and motion graphs.
Conservation of Energy: Energy stores, transfers and efficiency.
Waves: Wave properties, light, sound and the electromagnetic spectrum.
Radioactivity: Atomic structure, radiation and nuclear processes.
Use Edexcel GCSE Physics Paper 1 past papers and mark schemes to practise calculations, graphs and explanations of physical processes.
Paper 6: Physics 2
Key topics to revise:
Forces Doing Work: Work, power and energy transfers.
Electricity: Circuits, current, potential difference and resistance.
Magnetism and Electromagnetism: Magnetic fields, motors and electromagnetic induction.
Particle Model: Density, internal energy and changes of state.
Forces and Matter: Elasticity, pressure and the behaviour of materials.
Practise Edexcel GCSE Physics Paper 2 questions to strengthen equation recall, calculation accuracy and application of scientific concepts.
Edexcel GCSE Combined Science: Essential Exam Skills
Scientific Knowledge and Application
Learn key definitions, processes and scientific principles across Biology, Chemistry and Physics. Practise applying knowledge to unfamiliar examples instead of relying only on memorised answers.
Calculations and Equations
Revise the equations required by your specification, rearrange formulas when needed, show your working and include correct units. Check calculations carefully before submitting your answers.
Practical Skills and Data Analysis
Revise the 18 mandatory core practicals covered by the qualification. Practise interpreting tables, graphs and experimental results, identifying variables and evaluating methods.
Exam Technique
Pay attention to command words such as describe, explain, compare, calculate and evaluate. Use precise scientific terminology and include enough detail to address each part of the question.
Common Mistakes in Edexcel GCSE Combined Science Exams
Incorrect calculations: Practise equations, rearrangements, units and significant figures.
Incomplete explanations: Use relevant scientific terms and explain cause-and-effect relationships.
Weak practical knowledge: Revise methods, variables, results and sources of error.
Misreading questions: Check command words and answer every part of the question.
Ignoring mark schemes: Review lost marks and learn how to improve each response.
Using the wrong tier: Make sure your practice resources match your Foundation or Higher Tier entry.
How to Revise for Edexcel GCSE Combined Science in 2027
Check your specification: Confirm the topics and tier relevant to your course.
Revise all three sciences: Create a balanced plan for Biology, Chemistry and Physics.
Practise past papers: Attempt all six paper types to identify weaker areas.
Use mark schemes: Compare your answers with the marking points and correct mistakes.
Review core practicals: Understand the methods, variables and interpretation of results.
Practise under timed conditions: Improve speed, accuracy and time management.
Track your progress: Repeat challenging questions and focus revision on topics where you lose marks.
Frequently Asked Questions: Edexcel GCSE Combined Science (1SC0)
Where can I find Edexcel GCSE Combined Science past papers?
Explore available Edexcel GCSE Combined Science (1SC0) past papers, exam questions and mark schemes on Exam Papers Practice. You can also visit Pearson’s official qualification page for specification and assessment resources.
How many papers are in Edexcel GCSE Combined Science?
There are six written papers: two Biology, two Chemistry and two Physics papers. Each paper lasts 1 hour and 10 minutes, is worth 60 marks and contributes approximately 16.67% of the qualification.
What is the difference between Foundation and Higher Tier?
Foundation and Higher Tier assess the same broad qualification through different levels of question demand and content. Students must be entered for the same tier across all six examination papers.
What topics are covered in Edexcel Combined Science 1SC0?
The specification covers Biology, Chemistry and Physics, including cells, genetics, chemical reactions, energy, forces, electricity, waves and practical science skills.
Are these resources suitable for the 2027 exams?
These resources support preparation for the 2027 Edexcel GCSE Combined Science exams. Check the current Pearson specification and assessment guidance to ensure your revision matches your course.
How can I improve my Edexcel Combined Science grade?
Combine topic revision with timed past paper practice. Use mark schemes to identify missed marking points, practise calculations and revisit difficult topics across all three sciences.
Prepare for Your Edexcel GCSE Combined Science Exams with Exam Papers Practice
Improve your preparation with Edexcel GCSE (9–1) Combined Science (1SC0) past papers, mark schemes and exam-style questions. Revise Biology, Chemistry and Physics, strengthen your practical skills and practise answering questions under timed conditions.
At Exam Papers Practice, students, teachers and tutors can explore revision resources to support independent study, classroom learning and mock exam preparation. Choose the correct paper and tier, review your progress and prepare confidently for the 2027 GCSE Combined Science exams.