GCSE Combined Science revision
Every AQA 8464 Combined Science topic, one page each: the idea, a worked example, three questions to try and the past-paper questions that test it.
Biology: cells, organisation and disease
- Cells and specialised cells43 past-paper questions
- Microscopy and magnification59 past-paper questions
- Mitosis and stem cells46 past-paper questions
- Diffusion, osmosis and active transport61 past-paper questions
- Cells, tissues, organs and systems2 past-paper questions
- Digestion, the heart and blood127 past-paper questions
- Health, lifestyle and cancer45 past-paper questions
- Plant tissues and transport46 past-paper questions
- Communicable diseases46 past-paper questions
- Defences, vaccines and antibiotics55 past-paper questions
- Discovering and testing drugs13 past-paper questions
- Photosynthesis43 past-paper questions
- Respiration and metabolism51 past-paper questions
- Higher: limiting factors and oxygen debt11 past-paper questionsHigher only
Biology: homeostasis, inheritance and ecology
- Homeostasis8 past-paper questions
- The nervous system and reflexes32 past-paper questions
- Hormones, glucose and contraception64 past-paper questions
- Higher: infertility and negative feedback13 past-paper questionsHigher only
- Higher: glucagon and the menstrual cycle22 past-paper questionsHigher only
- Reproduction, DNA and inheritance68 past-paper questions
- Inherited disorders and sex determination29 past-paper questions
- Variation, evolution and breeding47 past-paper questions
- Evidence for evolution24 past-paper questions
- Classification26 past-paper questions
- Higher: genetic crosses and engineering21 past-paper questionsHigher only
- Communities and adaptations61 past-paper questions
- Food chains, sampling and cycles69 past-paper questions
- Biodiversity, waste and land use29 past-paper questions
- Global warming and protecting biodiversity19 past-paper questions
Chemistry: atoms, bonding and amounts
- Atoms, mixtures and the atomic model69 past-paper questions
- Atomic structure and electron shells41 past-paper questions
- The periodic table and noble gases37 past-paper questions
- Group 1 and Group 771 past-paper questions
- Higher: ionic and half equations10 past-paper questionsHigher only
- Ionic and covalent bonding89 past-paper questions
- Metallic bonding13 past-paper questions
- States of matter and properties51 past-paper questions
- Polymers, giant structures and alloys18 past-paper questions
- Diamond, graphite, graphene and fullerenes23 past-paper questions
- Higher: limits of the particle model4 past-paper questionsHigher only
- Conservation of mass and formula mass56 past-paper questions
- Concentration of solutions25 past-paper questions
- Higher: moles44 past-paper questionsHigher only
- Higher: limiting reactants4 past-paper questionsHigher only
- Higher: explaining concentration1 past-paper questionHigher only
Chemistry: reactions and energy
- Reactivity and extracting metals66 past-paper questions
- Acids, salts and pH75 past-paper questions
- Electrolysis51 past-paper questions
- Higher: redox, strong and weak acids34 past-paper questionsHigher only
- Higher: redox in acids and electrolysis2 past-paper questionsHigher only
- Exothermic and endothermic reactions51 past-paper questions
- Higher: bond energy calculations18 past-paper questionsHigher only
- Rates of reaction82 past-paper questions
- Reversible reactions and equilibrium20 past-paper questions
- Higher: equilibrium and changing conditions14 past-paper questionsHigher only
- Higher: equilibrium and pressure10 past-paper questionsHigher only
- Higher: rates from tangents and in mol/s10 past-paper questionsHigher only
Chemistry: organic, analysis, atmosphere and resources
- Crude oil, alkanes and cracking66 past-paper questions
- Purity, formulations and chromatography41 past-paper questions
- Tests for gases18 past-paper questions
- The atmosphere, then and now38 past-paper questions
- Greenhouse gases and climate change38 past-paper questions
- Atmospheric pollutants32 past-paper questions
- Resources and potable water27 past-paper questions
- Life cycle assessment and recycling21 past-paper questions
- Higher: phytomining and bioleaching10 past-paper questionsHigher only
Physics: energy, electricity, particles and atoms
- Energy stores and power100 past-paper questions
- Energy transfers and efficiency57 past-paper questions
- Energy resources22 past-paper questions
- Higher: improving efficiency5 past-paper questionsHigher only
- Current, voltage and resistance89 past-paper questions
- Series and parallel circuits34 past-paper questions
- Direct and alternating current, mains31 past-paper questions
- Electrical power and the National Grid66 past-paper questions
- Density and changes of state42 past-paper questions
- Specific heat capacity and latent heat48 past-paper questions
- Particle motion in gases16 past-paper questions
- Atoms and isotopes48 past-paper questions
- Radioactive decay and half-life63 past-paper questions
- Higher: decline after several half-lives11 past-paper questionsHigher only
Physics: forces, waves and magnetism
- Forces and resultant forces61 past-paper questions
- Work done26 past-paper questions
- Forces and elasticity38 past-paper questions
- Speed, velocity and distance-time graphs50 past-paper questions
- Acceleration and Newton's laws98 past-paper questions
- Stopping distance and reaction time44 past-paper questions
- Higher: momentum18 past-paper questionsHigher only
- Higher: resolving forces and circular motion4 past-paper questionsHigher only
- Higher: velocity-time graphs and inertia14 past-paper questionsHigher only
- Higher: estimating braking forcesWorked example and questionsHigher only
- Transverse and longitudinal waves59 past-paper questions
- Electromagnetic waves61 past-paper questions
- Higher: refraction and radio waves6 past-paper questionsHigher only
- Magnets and magnetic fields31 past-paper questions
- Electromagnetism25 past-paper questions
- Higher: the motor effect16 past-paper questionsHigher only
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96 topics · GCSE Combined Science past papers