Choose the model. Follow the units.
Physics.
Practice. Play.
Progress.
GCSE Physics rewards students who pick the right model, write the equation, substitute with units, and then say what the number means. These guides start with the store, field or wave, then follow the units through the calculation. Combined content is covered in full; Triple-only ideas such as space are flagged in teacher language.
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Each box is a full revision page. The smaller line is the search students type — not the name of the guide.
Students type: static electricity friction electrons GCSE
Open guide Revision guideLensesStudents type: converging lens ray diagram GCSE Physics
Open guide Revision guideWaves required practicalStudents type: waves required practical GCSE Physics
Open guide Revision guideForce and acceleration required practicalStudents type: force acceleration required practical GCSE Physics
Open guide Revision guideThe Big BangStudents type: Big Bang evidence red shift CMBR GCSE Physics
Open guide Revision guideRed shiftStudents type: red shift Hubble expanding Universe GCSE Physics
Open guide Revision guideLife cycle of starsStudents type: life cycle of a star GCSE Physics Sun vs massive
Open guide Revision guideThe solar systemStudents type: GCSE Physics only solar system orbits
Open guide Revision guideInfrared radiationStudents type: infrared radiation surfaces GCSE Physics
Open guide Revision guideRefractionStudents type: refraction towards the normal GCSE Physics
Open guide Revision guideWave speedStudents type: wave speed frequency wavelength v = fλ GCSE
Open guide Revision guideThe electromagnetic spectrumStudents type: electromagnetic spectrum order uses hazards GCSE
Open guideEnergy and particles
Energy and particles
made memorable.
Energy stores and transfers, efficiency, resources, the particle model, density and radioactivity.
All Energy and particles revisionEnergy
The flagship opening of GCSE Physics: energy stores and pathways, conservation, efficiency, power, specific heat capacity and energy resources.
Particle model of matter
Density, changes of state, internal energy, specific latent heat, and how gas pressure depends on particle motion.
Radioactivity
Isotopes, alpha, beta and gamma, half-life, irradiation versus contamination, and uses and risks of nuclear radiation.
Energy stores and transfers
Teacher-written GCSE Physics revision on energy stores and transfers: name kinetic, gravitational and thermal stores, then follow mechanical, electrical, heating and radiation pathways with conservation.
Efficiency
Teacher-written GCSE Physics revision on efficiency: useful energy or power divided by total input, then × 100 for a percentage, with Sankey diagrams and why values cannot exceed 100%.
Insulation and thermal transfer
Teacher-written GCSE Physics revision on insulation: conduction, convection and radiation, thermal conductivity, loft lagging and cavity walls, and how trapped air slows the rate of heat loss.
Power and work
Teacher-written GCSE Physics revision on power and work: W = Fs, P = E/t and P = W/t, with watts as joules per second, and the substitutions examiners expect on Combined and Triple papers.
Energy resources
Teacher-written GCSE Physics revision on energy resources: renewable versus non-renewable, reliability, base load, environmental impact, and how to compare solar, wind, hydro, nuclear and fossil fuels.
Density
Teacher-written GCSE Physics revision on density: ρ = m/V with mass in kilograms and volume in cubic metres, plus the required practical for regular and irregular solids and liquids.
Specific heat capacity
Teacher-written GCSE Physics revision on specific heat capacity: ΔE = mcΔθ, the energy to raise 1 kg by 1 °C, water’s high value, and the required practical with power, time and heat loss.
Specific latent heat
Teacher-written GCSE Physics revision on specific latent heat: E = mL for melting and boiling at constant temperature, fusion versus vaporisation, and why heating curves go flat.
Gas pressure
Teacher-written GCSE Physics revision on gas pressure: particle collisions with container walls, why heating at constant volume raises pressure, and how volume and temperature change the collision rate.
Changes of state
Teacher-written GCSE Physics revision on changes of state: melting, freezing, boiling, condensing and sublimation in the particle model, with internal energy, mass conservation and heating curves.
The atomic model
Teacher-written GCSE Physics revision on the atomic model: plum pudding to nuclear atom, protons, neutrons and electrons, isotopes, and how alpha-particle scattering changed the picture.
Types of radiation
Teacher-written GCSE Physics revision on alpha, beta and gamma radiation: ionising power, penetration, deflection in fields, nuclear equations, and a use matched to each type.
Half-life
Teacher-written GCSE Physics revision on half-life: the time for net count rate or unstable nuclei to halve, background subtraction, decay graphs, and a full numerical example with units.
Irradiation and contamination
Teacher-written GCSE Physics revision on irradiation versus contamination, background radiation, risks of ionising radiation, and how time, distance and shielding reduce dose.
Fission and fusion
Teacher-written GCSE Physics revision on nuclear fission and fusion: chain reactions, control rods and moderators, hydrogen fusing to helium in stars, and why fusion on Earth is still a control problem.
Electricity and magnetism
Electricity and magnetism
made memorable.
Circuits, resistance, power, the national grid, magnets, motors and induced potential.
All Electricity and magnetism revisionElectricity
The flagship circuits page: current, potential difference, resistance, series and parallel, I–V characteristics, power and the national grid.
Magnetism and electromagnetism
Magnetic fields, electromagnets, the motor effect, Fleming’s left-hand rule, induced potential and transformers on Physics routes.
Current, voltage and resistance
Teacher-written GCSE Physics revision on current, potential difference and resistance: I = Q/t, V = E/Q, R = V/I, Ohm’s law at constant temperature, and the units ampere, volt and ohm.
Series and parallel circuits
Teacher-written GCSE Physics revision on series and parallel circuits: current the same in series, potential difference the same in parallel, adding resistances, and why household lamps are in parallel.
I–V characteristics
Teacher-written GCSE Physics revision on I–V characteristics: ohmic resistors, filament lamps, diodes, thermistors and LDRs, with the required practical wiring and what a curved graph says about resistance.
Electrical power
Teacher-written GCSE Physics revision on electrical power: P = VI, P = I²R and P = V²/R, energy E = Pt = VIt, and how heating in cables links power to the national grid.
Mains electricity
Teacher-written GCSE Physics revision on mains electricity: 230 V a.c. at 50 Hz, live, neutral and earth, fuses and circuit breakers, the national grid, and why transformers need alternating current.
Magnetic fields
Teacher-written GCSE Physics revision on magnetic fields: north and south poles, field lines from north to south, plotting compasses, the Earth’s field, and the field around a current-carrying wire.
Electromagnets
Teacher-written GCSE Physics revision on electromagnets: the solenoid field, iron cores, how current and turns change strength, and uses in scrapyard cranes, relays and circuit breakers.
The motor effect
Teacher-written GCSE Physics revision on the motor effect: a current at right angles to a magnetic field feels a force, F = BIl on Higher, Fleming’s left-hand rule, and how a d.c. motor keeps turning.
Electromagnetic induction
Teacher-written GCSE Physics revision on electromagnetic induction: induced potential, generators, transformers and V₁/V₂ = n₁/n₂ — fuller on Triple / Physics than Combined.
Static electricity
Teacher-written GCSE Physics revision on static charge: friction, electron transfer, electrostatic forces, electric fields, uses such as photocopiers, and dangers near fuels.
Forces and motion
Forces and motion
made memorable.
Resultant force, Newton’s laws, stopping distances, speed, acceleration and motion graphs.
All Forces and motion revisionForces
Contact and non-contact forces, resultant force, Hooke’s law, weight, Newton’s laws, moments and stopping distance.
Motion
Speed and velocity, distance–time and velocity–time graphs, acceleration, F = ma, and kinetic and gravitational energy in moving systems.
Contact and non-contact forces
Teacher-written GCSE Physics revision on contact and non-contact forces: friction, tension, normal contact, gravity, electrostatic and magnetic forces, free-body diagrams and resultant force.
Weight and mass
Teacher-written GCSE Physics revision on weight and mass: mass in kilograms, weight W = mg in newtons, gravitational field strength, centre of mass, and why weight changes on the Moon but mass does not.
Hooke’s law
Teacher-written GCSE Physics revision on Hooke’s law: F = ke up to the limit of proportionality, spring constant in N/m, force–extension graphs, and elastic versus inelastic deformation.
Moments
Teacher-written GCSE Physics revision on moments: moment = force × perpendicular distance, clockwise and anticlockwise balance, centre of mass, and levers as force multipliers.
Pressure
Teacher-written GCSE Physics revision on pressure: p = F/A in pascals, liquid pressure p = hρg, atmospheric pressure, and why sharp blades and wide tyres are the same equation.
Speed and velocity
Teacher-written GCSE Physics revision on speed and velocity: average speed = distance/time, velocity as a vector, typical speeds, and distance–time graphs where gradient is speed.
Acceleration
Teacher-written GCSE Physics revision on acceleration: a = Δv/t in m/s², velocity–time graphs where gradient is acceleration and area is distance, and v² − u² = 2as when time is missing.
Newton’s laws
Teacher-written GCSE Physics revision on Newton’s three laws as distinct ideas: first-law inertia and zero resultant, second-law F = ma, and third-law pairs on two different objects.
Stopping distance
Teacher-written GCSE Physics revision on stopping distance: thinking plus braking, reaction-time factors, how braking distance grows with speed squared, and work done by the brakes.
Momentum
Teacher-written GCSE Physics revision on momentum: p = mv, conservation in a closed system, F = Δp/t, and crumple zones — Higher-tier Combined and Triple content, so check your paper.
Force and acceleration required practical
Plan the GCSE Physics force–acceleration investigation: trolley on a ramp or linear air track, F = ma setup, varying mass while controlling force, measuring acceleration, graph and friction controls.
Waves and space
Waves and space
made memorable.
Wave speed, the electromagnetic spectrum, refraction, and the Physics-only space topic.
All Waves and space revisionWaves
Transverse and longitudinal waves, v = fλ, the electromagnetic spectrum, reflection, refraction and sound.
Space physics
The solar system, gravity and orbits, the life cycle of stars, red shift and the Big Bang — GCSE Physics rather than Combined Science on most specifications.
Transverse and longitudinal waves
Teacher-written GCSE Physics revision on transverse and longitudinal waves: oscillations versus energy transfer, amplitude, wavelength, frequency, period, and why sound needs a medium but light does not.
The electromagnetic spectrum
Teacher-written GCSE Physics revision on the electromagnetic spectrum: radio to gamma in order of frequency, 3 × 10⁸ m/s in vacuum, and one use and one hazard for each region you are asked about.
Wave speed
Teacher-written GCSE Physics revision on wave speed: v = fλ with a full substitution, v = d/t, converting MHz and centimetres, and why speed is a property of the medium in ripple-tank practicals.
Refraction
Teacher-written GCSE Physics revision on refraction: waves changing speed and direction in a new medium, towards or away from the normal, light in glass, and why wavelength changes but frequency does not.
Infrared radiation
Teacher-written GCSE Physics revision on infrared radiation: emission and absorption by surfaces, the required practical, black-body behaviour at GCSE, and how IR sits in the electromagnetic spectrum.
The solar system
GCSE Physics only (not Combined Science): teacher-written revision on the solar system, gravity and orbits, planets, moons, satellites, and why mass is unchanged while weight depends on g.
Life cycle of stars
GCSE Physics only (not Combined Science): teacher-written revision on star formation, main sequence equilibrium, Sun-like versus massive-star pathways, supernovae and how elements heavier than iron are made.
Red shift
GCSE Physics only (not Combined Science): teacher-written revision on cosmological red shift, Hubble’s pattern that distant galaxies recede faster, and how that supports an expanding Universe.
The Big Bang
GCSE Physics only (not Combined Science): teacher-written revision on the Big Bang model, red-shift evidence, cosmic microwave background radiation, and why alternative steady models struggled.
Waves required practical
Plan the GCSE Physics waves investigation: reflection and refraction with a ray box or ripple tank, angle i equals angle r, Snell’s law at GCSE level, measuring angles from the normal and fair testing.
Lenses
Teacher-written GCSE Physics revision on converging and diverging lenses: ray diagrams, focal length, magnification, the eye, and correcting long sight and short sight.
Built for real revision
GCSE Physics,
without the waffle.
Teacher-written GCSE Physics revision for Combined and Triple Science: energy stores, electricity, particle model, radioactivity, forces, motion, waves and space.
56 guides, each with a memory hook, precise knowledge, a worked example and a retrieval check. Use a page for a quick refresh before exam questions, or as the first step in a spaced revision session.