GCSE · OCR
OCR GCSE J249 Physics
5 lessons out now for this course, 143 planned. Teachers: see the spec coverage.
Forces 6 chapters · 5 of 38 lessons out
PH01Units and describing motion5 of 7 out
- PH01-00Chapter intro: Units and describing motion2 min
- PH01-01Units, prefixes and standard form in physics14 min
- PH01-02Scalars and vectors9 min
- PH01-03Distance and displacement7 min
- PH01-04Speed, typical speeds and s = vt10 min
- PH01-05VelocityComing soon
- PH01-06Measuring speed in the laboratoryComing soon
PH02Motion graphs and acceleration0 of 4 out
PH03Forces and their effects0 of 9 out
- PH03-01Contact and non-contact forcesComing soon
- PH03-02Weight, mass and gravitational field strengthComing soon
- PH03-03Resultant forcesComing soon
- PH03-04Free body diagrams (Higher)Higher_Only tierComing soon
- PH03-05Resolving forces with a scale vector diagram (Higher)Higher_Only tierComing soon
- PH03-06Elastic and inelastic deformationComing soon
- PH03-07Hooke's law and the spring constantComing soon
- PH03-08Moments and the principle of moments (triple)Coming soon
- PH03-09Levers and gears (triple)Coming soon
PH04Newton's laws and motion0 of 6 out
- PH04-01Newton's First LawComing soon
- PH04-02Newton's Second Law: F = maComing soon
- PH04-03Inertia and inertial mass (Higher)Higher_Only tierComing soon
- PH04-04Newton's Third LawComing soon
- PH04-05Terminal velocityComing soon
- PH04-06Circular motion: constant speed, changing velocity (Higher)Higher_Only tierComing soon
PH07Stopping distances and momentum0 of 8 out
- PH07-01Reaction time and thinking distanceComing soon
- PH07-02Stopping distanceComing soon
- PH07-03Braking, energy and large decelerationsComing soon
- PH07-04Estimating the forces in a road-vehicle deceleration (Higher)Higher_Only tierComing soon
- PH07-05Momentum and p = mv (Higher)Higher_Only tierComing soon
- PH07-06Conservation of momentum (Higher)Higher_Only tierComing soon
- PH07-07Force as the rate of change of momentum, and impact forcesComing soon
- PH07-08Estimating how stopping distance grows with speed (triple)Coming soon
Energy 2 chapters · 0 of 13 lessons out
PH05Energy stores, work and power0 of 7 out
- PH05-01Energy stores and the three ways a system's energy changesComing soon
- PH05-02Energy transfer diagrams and the common scaleComing soon
- PH05-03Work done and energy transferComing soon
- PH05-04Power as the rate of energy transferComing soon
- PH05-05Kinetic energyComing soon
- PH05-06Gravitational potential energyComing soon
- PH05-07Elastic potential energyComing soon
PH06Energy efficiency and resources0 of 6 out
- PH06-01Conservation of energy and dissipationComing soon
- PH06-02Reducing unwanted energy transfersComing soon
- PH06-03EfficiencyComing soon
- PH06-04Increasing efficiency (Higher)Higher_Only tierComing soon
- PH06-05Energy resources and how we use themComing soon
- PH06-06Reliability, environmental impact and the move away from fossil fuelsComing soon
Particle model of matter 1 chapters · 0 of 9 lessons out
PH08Particles and matter0 of 9 out
- PH08-01The particle model and the states of matterComing soon
- PH08-02DensityComing soon
- PH08-03Changes of state and conservation of massComing soon
- PH08-04Internal energy and what heating does to a systemComing soon
- PH08-05Specific heat capacityComing soon
- PH08-06Specific latent heat of fusion and of vaporisationComing soon
- PH08-07Gas particles, temperature and pressureComing soon
- PH08-09Gases under pressure: pV = constant (triple)Coming soon
- PH08-10Doing work on a gas raises its temperature (triple, Higher)Higher_Only tierComing soon
Electricity 3 chapters · 0 of 19 lessons out
PH10Electric circuits0 of 9 out
- PH10-01Circuit diagrams and standard symbolsComing soon
- PH10-02Charge, current and Q = ItComing soon
- PH10-03Potential difference and E = QVComing soon
- PH10-04Voltmeters and ammeters in a circuitComing soon
- PH10-05Resistance and V = IRComing soon
- PH10-06I-V characteristics: ohmic conductor, filament lamp and diodeComing soon
- PH10-07Thermistors and light-dependent resistorsComing soon
- PH10-08Series circuitsComing soon
- PH10-09Parallel circuitsComing soon
PH11Electricity in the home and the National Grid0 of 7 out
- PH11-01Electrical power: P = VI and P = I^2 RComing soon
- PH11-02Energy transferred by an appliance: E = Pt and E = IVtComing soon
- PH11-03Domestic appliances and power ratingsComing soon
- PH11-06Direct and alternating potential difference and the mains supplyComing soon
- PH11-07Mains wiring: live, neutral and earthComing soon
- PH11-08Electrical safety: fuses, circuit breakers and earthingComing soon
- PH11-09The National GridComing soon
Magnetism and electromagnetism 2 chapters · 0 of 11 lessons out
PH13Magnetism and the motor effect0 of 6 out
- PH13-01Magnetic poles, permanent and induced magnetsComing soon
- PH13-02Magnetic fields, plotting compasses and the Earth's fieldComing soon
- PH13-03The magnetic effect of a current, solenoids and electromagnetsComing soon
- PH13-04The motor effect and Fleming's left-hand rule (Higher)Higher_Only tierComing soon
- PH13-05F = BIl (Higher)Higher_Only tierComing soon
- PH13-06Electric motors (Higher)Higher_Only tierComing soon
PH14Electromagnetic induction and transformers0 of 5 out
- PH14-01Electromagnetic induction and the generator effect (Higher)Higher_Only tierComing soon
- PH14-02Transformers and the turns-ratio equation (Higher)Higher_Only tierComing soon
- PH14-03The transformer power equation and high-voltage transmissionComing soon
- PH14-04Alternators and dynamos (triple, Higher)Higher_Only tierComing soon
- PH14-05Microphones and loudspeakers (triple, Higher)Higher_Only tierComing soon
Waves 4 chapters · 0 of 20 lessons out
PH15Waves and how they behave0 of 5 out
PH16Sound and seismic waves0 of 4 out
- PH16-01Sound crossing from one medium to another (triple)Coming soon
- PH16-02Sound, the ear and the limits of human hearing (triple, Higher)Higher_Only tierComing soon
- PH16-03Ultrasound, infrasound and echo sounding (triple, Higher)Higher_Only tierComing soon
- PH16-04Seismic waves and the Earth's structure (triple, Higher)Higher_Only tierComing soon
PH17The electromagnetic spectrum0 of 6 out
- PH17-01The electromagnetic spectrumComing soon
- PH17-02Uses of each part of the electromagnetic spectrumComing soon
- PH17-03The hazards of electromagnetic radiationComing soon
- PH17-04Radio waves and electrical oscillations (Higher)Higher_Only tierComing soon
- PH17-05Infrared emission and absorption, and black-body radiation (triple)Coming soon
- PH17-06Radiation balance and the temperature of the Earth (triple, Higher)Higher_Only tierComing soon
PH18Light and refraction0 of 5 out
- PH18-01Refraction at a boundaryComing soon
- PH18-02How different substances treat different wavelengths (Higher)Higher_Only tierComing soon
- PH18-03Reflection, transmission and absorption at a boundary (triple)Coming soon
- PH18-05Lenses and ray diagrams (triple)Coming soon
- PH18-06Colour, filters, and specular versus diffuse reflection (triple)Coming soon
Atomic structure 3 chapters · 0 of 17 lessons out
PH19Atomic structure0 of 6 out
- PH19-01The structure and size of an atomComing soon
- PH19-02Protons, neutrons and electronsComing soon
- PH19-03Atomic number, mass number and isotopesComing soon
- PH19-04Electron energy levels and ionsComing soon
- PH19-05Radiation from atoms and nucleiComing soon
- PH19-06How the model of the atom changedComing soon
PH20Radioactive decay0 of 5 out
PH21Radiation, risk and nuclear power0 of 6 out
- PH21-02Contamination and irradiationComing soon
- PH21-03The dangers of ionising radiation and the precautions takenComing soon
- PH21-04Why the hazard of a source depends on its half-life (triple)Coming soon
- PH21-05Uses of radioactivity in medicine and industry (triple)Coming soon
- PH21-06Nuclear fission and the chain reaction (triple)Coming soon
- PH21-07Nuclear fusion (triple)Coming soon
Space physics 2 chapters · 0 of 7 lessons out
PH22The Solar System and orbits0 of 3 out
PH23Stars and the Universe0 of 4 out
Required practical activities 1 chapters · 0 of 9 lessons out
PH24Required practicals0 of 9 out
- PH24-01Practical: specific heat capacityComing soon
- PH24-02Practical: density of solids and liquidsComing soon
- PH24-03Practical: thermal insulatorsComing soon
- PH24-04Practical: force and extension of a springComing soon
- PH24-05Practical: acceleration, force and massComing soon
- PH24-06Practical: resistance of a wire and of componentsComing soon
- PH24-07Practical: I-V characteristicsComing soon
- PH24-08Practical: waves in a ripple tank and in a solidComing soon
- PH24-09Practical: reflection and refraction of lightComing soon