GCSE · OCR
OCR GCSE J249 Physics
7 lessons out now for this course, 143 planned. Teachers: see the spec coverage.
Units and describing motionPH017 of 7 out
Motion graphs and accelerationPH020 of 4 out
- PH02-01Distance-time graphs
- PH02-03Acceleration and velocity-time graphs
- PH02-04Distance from the area under a velocity-time graph
- PH02-05The uniform acceleration equation: v^2 - u^2 = 2as
Forces and their effectsPH030 of 9 out
- PH03-01Contact and non-contact forces
- PH03-02Weight, mass and gravitational field strength
- PH03-03Resultant forces
- PH03-04Free body diagrams (Higher) Higher_Only tier
- PH03-05Resolving forces with a scale vector diagram (Higher) Higher_Only tier
- PH03-06Elastic and inelastic deformation
- PH03-07Hooke's law and the spring constant
- PH03-08Moments and the principle of moments (triple)
- PH03-09Levers and gears (triple)
Newton's laws and motionPH040 of 6 out
- PH04-01Newton's First Law
- PH04-02Newton's Second Law: F = ma
- PH04-03Inertia and inertial mass (Higher) Higher_Only tier
- PH04-04Newton's Third Law
- PH04-05Terminal velocity
- PH04-06Circular motion: constant speed, changing velocity (Higher) Higher_Only tier
Energy stores, work and powerPH050 of 7 out
- PH05-01Energy stores and the three ways a system's energy changes
- PH05-02Energy transfer diagrams and the common scale
- PH05-03Work done and energy transfer
- PH05-04Power as the rate of energy transfer
- PH05-05Kinetic energy
- PH05-06Gravitational potential energy
- PH05-07Elastic potential energy
Energy efficiency and resourcesPH060 of 6 out
- PH06-01Conservation of energy and dissipation
- PH06-02Reducing unwanted energy transfers
- PH06-03Efficiency
- PH06-04Increasing efficiency (Higher) Higher_Only tier
- PH06-05Energy resources and how we use them
- PH06-06Reliability, environmental impact and the move away from fossil fuels
Stopping distances and momentumPH070 of 8 out
- PH07-01Reaction time and thinking distance
- PH07-02Stopping distance
- PH07-03Braking, energy and large decelerations
- PH07-04Estimating the forces in a road-vehicle deceleration (Higher) Higher_Only tier
- PH07-05Momentum and p = mv (Higher) Higher_Only tier
- PH07-06Conservation of momentum (Higher) Higher_Only tier
- PH07-07Force as the rate of change of momentum, and impact forces
- PH07-08Estimating how stopping distance grows with speed (triple)
Particles and matterPH080 of 9 out
- PH08-01The particle model and the states of matter
- PH08-02Density
- PH08-03Changes of state and conservation of mass
- PH08-04Internal energy and what heating does to a system
- PH08-05Specific heat capacity
- PH08-06Specific latent heat of fusion and of vaporisation
- PH08-07Gas particles, temperature and pressure
- PH08-09Gases under pressure: pV = constant (triple)
- PH08-10Doing work on a gas raises its temperature (triple, Higher) Higher_Only tier
Pressure in fluidsPH090 of 4 out
- PH09-01Pressure in a fluid: p = F/A (triple)
- PH09-02Atmospheric pressure (triple)
- PH09-03Pressure, depth and density: p = h rho g (triple)
- PH09-04Upthrust, floating and sinking (triple, Higher) Higher_Only tier
Electric circuitsPH100 of 9 out
- PH10-01Circuit diagrams and standard symbols
- PH10-02Charge, current and Q = It
- PH10-03Potential difference and E = QV
- PH10-04Voltmeters and ammeters in a circuit
- PH10-05Resistance and V = IR
- PH10-06I-V characteristics: ohmic conductor, filament lamp and diode
- PH10-07Thermistors and light-dependent resistors
- PH10-08Series circuits
- PH10-09Parallel circuits
Electricity in the home and the National GridPH110 of 7 out
- PH11-01Electrical power: P = VI and P = I^2 R
- PH11-02Energy transferred by an appliance: E = Pt and E = IVt
- PH11-03Domestic appliances and power ratings
- PH11-06Direct and alternating potential difference and the mains supply
- PH11-07Mains wiring: live, neutral and earth
- PH11-08Electrical safety: fuses, circuit breakers and earthing
- PH11-09The National Grid
Static electricityPH120 of 3 out
- PH12-01Static charge: charging by friction, attraction and repulsion
- PH12-02Sparking, earthing, and the uses and dangers of static
- PH12-03Electric fields (triple)
Magnetism and the motor effectPH130 of 6 out
- PH13-01Magnetic poles, permanent and induced magnets
- PH13-02Magnetic fields, plotting compasses and the Earth's field
- PH13-03The magnetic effect of a current, solenoids and electromagnets
- PH13-04The motor effect and Fleming's left-hand rule (Higher) Higher_Only tier
- PH13-05F = BIl (Higher) Higher_Only tier
- PH13-06Electric motors (Higher) Higher_Only tier
Electromagnetic induction and transformersPH140 of 5 out
- PH14-01Electromagnetic induction and the generator effect (Higher) Higher_Only tier
- PH14-02Transformers and the turns-ratio equation (Higher) Higher_Only tier
- PH14-03The transformer power equation and high-voltage transmission
- PH14-04Alternators and dynamos (triple, Higher) Higher_Only tier
- PH14-05Microphones and loudspeakers (triple, Higher) Higher_Only tier
Waves and how they behavePH150 of 5 out
- PH15-01What a wave does: energy without matter
- PH15-02Transverse and longitudinal waves
- PH15-03Amplitude, wavelength, frequency and period
- PH15-04The wave equation
- PH15-05Measuring the speed of a wave
Sound and seismic wavesPH160 of 4 out
- PH16-01Sound crossing from one medium to another (triple)
- PH16-02Sound, the ear and the limits of human hearing (triple, Higher) Higher_Only tier
- PH16-03Ultrasound, infrasound and echo sounding (triple, Higher) Higher_Only tier
- PH16-04Seismic waves and the Earth's structure (triple, Higher) Higher_Only tier
The electromagnetic spectrumPH170 of 6 out
- PH17-01The electromagnetic spectrum
- PH17-02Uses of each part of the electromagnetic spectrum
- PH17-03The hazards of electromagnetic radiation
- PH17-04Radio waves and electrical oscillations (Higher) Higher_Only tier
- PH17-05Infrared emission and absorption, and black-body radiation (triple)
- PH17-06Radiation balance and the temperature of the Earth (triple, Higher) Higher_Only tier
Light and refractionPH180 of 5 out
- PH18-01Refraction at a boundary
- PH18-02How different substances treat different wavelengths (Higher) Higher_Only tier
- PH18-03Reflection, transmission and absorption at a boundary (triple)
- PH18-05Lenses and ray diagrams (triple)
- PH18-06Colour, filters, and specular versus diffuse reflection (triple)
Atomic structurePH190 of 6 out
- PH19-01The structure and size of an atom
- PH19-02Protons, neutrons and electrons
- PH19-03Atomic number, mass number and isotopes
- PH19-04Electron energy levels and ions
- PH19-05Radiation from atoms and nuclei
- PH19-06How the model of the atom changed
Radioactive decayPH200 of 5 out
- PH20-01Radioactive decay is random: activity and count-rate
- PH20-02Alpha, beta, gamma and neutron radiation compared
- PH20-04Nuclear equations for alpha and beta decay
- PH20-05Half-life
- PH20-06Net decline after a number of half-lives
Radiation, risk and nuclear powerPH210 of 6 out
- PH21-02Contamination and irradiation
- PH21-03The dangers of ionising radiation and the precautions taken
- PH21-04Why the hazard of a source depends on its half-life (triple)
- PH21-05Uses of radioactivity in medicine and industry (triple)
- PH21-06Nuclear fission and the chain reaction (triple)
- PH21-07Nuclear fusion (triple)
The Solar System and orbitsPH220 of 3 out
- PH22-01The Solar System and the Milky Way (triple)
- PH22-04Orbits of moons, planets and satellites (triple)
- PH22-05Circular orbits: gravity changes velocity, not speed (triple)
Stars and the UniversePH230 of 4 out
- PH23-01How a star forms and why it is stable (triple)
- PH23-02The life cycle of a star (triple)
- PH23-03Red-shift and the expanding Universe (triple)
- PH23-04The Big Bang, the Steady State theory and the cosmic microwave background (triple)
Required practicalsPH240 of 9 out
- PH24-01Practical: specific heat capacity
- PH24-02Practical: density of solids and liquids
- PH24-03Practical: thermal insulators
- PH24-04Practical: force and extension of a spring
- PH24-05Practical: acceleration, force and mass
- PH24-06Practical: resistance of a wire and of components
- PH24-07Practical: I-V characteristics
- PH24-08Practical: waves in a ripple tank and in a solid
- PH24-09Practical: reflection and refraction of light