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CCEA GCSE Combined Science revision notes
Concise notes per spec point, written in plain English with worked examples. AI-generated, admin-verified.
- B1.1Cells: animal, plant and bacterial cells; cell organelles; specialised cells
- B1.2Photosynthesis: equation, factors affecting rate and uses of glucose
- B1.3Food and energy: balanced diet, food groups, food tests and energy from food
- B1.4Enzymes and digestion: structure of the digestive system; enzymes (amylase, protease, lipase) and bile
- B1.5Respiration: aerobic and anaerobic; equations; gas exchange
- B1.6Ecosystems and biodiversity: food chains, sampling, the carbon and water cycles, human impact
- B2.1The circulatory system: heart, blood vessels and blood; coronary heart disease
- B2.2Coordination and control: the nervous system, hormones, homeostasis (blood glucose, body temperature)
- B2.3Reproduction, fertility and contraception: menstrual cycle, hormones in reproduction, IVF
- B2.4Genetics and DNA: chromosomes, genes, alleles, Punnett squares; inherited disorders
- B2.5Variation and natural selection: mutations, evolution, evidence (fossils, antibiotic resistance)
- B2.6Disease and the immune system: pathogens, defence, vaccination, antibiotics, monoclonal antibodies (HT)Higher
- C1.1Atomic structure: protons, neutrons, electrons; isotopes; electron configuration
- C1.2The periodic table: arrangement, groups and periods; trends in Groups 1, 7 and 0
- C1.3Bonding: ionic, covalent and metallic; properties of substances and dot-and-cross diagrams
- C1.4Structure of matter: simple molecules, giant ionic, giant covalent (diamond/graphite/graphene), polymers, metallic
- C1.5Quantitative chemistry: relative formula mass, percentage by mass, conservation of mass
- C1.6The mole and stoichiometry (HT): moles, masses in equations and calculations of yieldsHigher
- C2.1Acids, bases and salts: pH, neutralisation, salt preparation; titration calculations (HT)Higher
- C2.2Reactivity series and metal extraction: reactivity of metals, reduction of metal oxides, electrolysis
- C2.3Energy changes: exothermic vs endothermic, reaction profiles, bond-energy calculations
- C2.4Rates of reaction: factors affecting rate (concentration, temperature, surface area, catalysts), collision theory
- C2.5Organic chemistry: hydrocarbons, alkanes, fractional distillation, cracking, alkenes
- C2.6The atmosphere and pollution: composition and evolution of the atmosphere, greenhouse gases, air pollution
- P1.1Motion: distance, displacement, speed, velocity, acceleration; motion graphs
- P1.2Forces and motion: Newton’s laws, free-body diagrams, F = ma
- P1.3Density: solids, liquids and gases; particle theory and density calculations
- P1.4Kinetic theory: states of matter, changes of state, specific heat capacity and latent heat
- P1.5Energy: stores and transfers, KE, GPE, conservation of energy and efficiency
- P1.6Work, power and the National Grid: W = Fd, P = E/t, transformers in the grid
- P2.1Waves: transverse vs longitudinal, v = fλ; reflection, refraction and the EM spectrum
- P2.2Light and sound: refraction in lenses, ray diagrams; loudness and pitch
- P2.3Electricity: current, p.d., resistance, Ohm’s law; series and parallel circuits
- P2.4Mains electricity: ac/dc, plug wiring, fuses, the National Grid
- P2.5Magnetism and electromagnetism: magnetic fields, Fleming’s left-hand rule, simple motors and generators
- P2.6Atomic structure and radioactivity: alpha, beta, gamma; half-life; uses and dangers of radiation
- P2.7Earth and space: solar system, life cycle of stars, red shift and the Big Bang theory
- PS.1Apparatus and techniques across biology, chemistry and physics — safe and accurate use
- PS.2Designing investigations: variables, control variables, hypotheses, repeats and reliability
- PS.3Recording, processing and presenting data; choosing appropriate graphs and charts
- PS.4Analysing results: drawing conclusions supported by data, identifying anomalies
- PS.5Evaluating investigations: limitations of methods, sources of error, suggested improvements