Practice
Topics marked Separate science only are the ones Combined Science does not have.
Biology Paper 1
- Cells: structure, types and specialisation
- Microscopy and magnification
- Culturing microorganismsSeparate science only
- Chromosomes, mitosis and stem cells
- Diffusion, osmosis and active transport
- Cells, tissues, organs and organ systems
- Digestion, enzymes, the heart and blood
- Health, lifestyle and cancer
- Plant tissues and transport
- Pathogens: viral, bacterial and fungal diseases
- Protists, defences, vaccination and antibiotics
- Discovering and testing drugs
- Monoclonal antibodiesHigher onlySeparate science only
- Plant disease and plant defencesSeparate science only
- Photosynthesis and its rate
- Respiration, exercise and metabolism
- limiting factors and oxygen debtHigher only
Biology Paper 2
- Homeostasis
- The nervous system and reflexes
- The brain and the eyeSeparate science onlyFree
- Control of body temperatureSeparate science only
- Hormones, blood glucose and contraception
- The kidneys: water and nitrogen balanceSeparate science only
- infertility treatment and negative feedbackHigher only
- glucagon and the menstrual cycle hormonesHigher only
- Plant hormonesSeparate science only
- Reproduction, meiosis, DNA and inheritance
- Sexual and asexual reproduction, and DNA structureSeparate science only
- Inherited disorders and sex determination
- Variation, evolution, selective breeding and genetic engineering
- CloningSeparate science only
- Fossils, extinction and resistant bacteria
- Darwin, Wallace, speciation and MendelSeparate science only
- Classifying living organisms
- full genetic crosses and genetic engineeringHigher only
- Communities, abiotic and biotic factors, adaptations
- Food chains, sampling and material cycles
- Decomposition and environmental changeSeparate science only
- Biodiversity, waste and land use
- Global warming and protecting biodiversity
- Trophic levels and biomass transferSeparate science only
- Food security and food productionSeparate science only
Chemistry Paper 1
- Atoms, compounds, mixtures and the atomic model
- Atomic size, relative mass and electron structure
- The periodic table, metals and noble gases
- Group 1 and Group 7
- Transition metalsSeparate science only
- ionic equations and half equationsHigher only
- Ionic and covalent bonding
- Metallic bonding
- States of matter and properties of substances
- Polymers, giant structures, metals and alloys
- Diamond, graphite, graphene and fullerenes
- NanoparticlesSeparate science only
- limits of the particle modelHigher only
- Conservation of mass and relative formula mass
- Concentration of solutions
- moles and balancing with molesHigher only
- limiting reactantsHigher only
- explaining concentrationHigher only
- Percentage yield and atom economySeparate science only
- Titrations and concentration in mol/dm3Separate science only
- Volumes of gasesHigher onlySeparate science only
- Reactivity, extraction and reduction
- Acids, salts and pH
- Electrolysis
- redox, strong and weak acids, electrode half equationsHigher only
- redox in acid reactions and electrolysisHigher only
- Exothermic and endothermic reactions, reaction profiles
- bond energy calculationsHigher only
- Chemical cells and fuel cellsSeparate science only
Chemistry Paper 2
- Rates of reaction, collisions and catalysts
- Reversible reactions and equilibrium
- equilibrium, concentration and temperatureHigher only
- equilibrium and pressureHigher only
- tangents and rates in mol/sHigher only
- Crude oil, alkanes, cracking and alkenes
- Alkenes, alcohols and carboxylic acidsSeparate science only
- Addition, condensation and natural polymersSeparate science only
- Purity, formulations and chromatography
- Tests for gases
- Identifying ionsSeparate science onlyFree
- The atmosphere, then and now
- Greenhouse gases, climate change and carbon footprints
- Atmospheric pollutants
- Resources, potable water and waste water
- Life cycle assessment and recycling
- phytomining and bioleachingHigher only
- Corrosion, alloys, ceramics and compositesSeparate science only
- The Haber process and NPK fertilisersSeparate science only
Physics Paper 1
- Energy stores, changes and power
- Energy transfers and efficiency
- Thermal insulationSeparate science only
- National and global energy resources
- improving efficiencyHigher only
- Circuit symbols, charge, current and resistance
- Series and parallel circuits
- Direct and alternating p.d., and mains electricity
- Electrical power, appliances and the National Grid
- Static electricity and electric fieldsSeparate science only
- Density and changes of state
- Internal energy, specific heat capacity and latent heat
- Particle motion in gases
- Pressure in gasesSeparate science only
- Atoms, isotopes and the model of the atom
- Radioactive decay, nuclear equations and half-life
- net decline after several half-livesHigher only
- Background radiation, half-life risks and medical usesSeparate science only
- Nuclear fission and fusionSeparate science only
Physics Paper 2
- Scalars, vectors, forces and resultants
- Work done and energy transfer
- Forces and elasticity
- Moments, levers and gearsSeparate science only
- Pressure in fluids and atmospheric pressureSeparate science only
- Distance, speed, velocity and distance-time graphs
- Acceleration and Newton's laws
- Stopping distance and reaction time
- momentum and its conservationHigher only
- Changes in momentum and safetyHigher onlySeparate science only
- resolving forces, circular motion and tangentsHigher only
- velocity-time areas and inertiaHigher only
- estimating braking forcesHigher only
- Transverse and longitudinal waves
- Reflection, sound and ultrasoundSeparate science only
- Electromagnetic waves, refraction and uses
- wavefronts, radio waves and why each band suits its useHigher only
- Lenses and visible lightSeparate science only
- Black body radiationSeparate science only
- Magnets and magnetic fields
- Electromagnetism
- Fleming's left-hand rule and electric motorsHigher only
- Loudspeakers, generators and transformersHigher onlySeparate science only
- The solar system, stars and orbitsSeparate science onlyFree
- Red-shift and the Big BangSeparate science only