OCR B GCSE Physics revision

Topic P1: Radiation and waves

There are 17 parts: we start with wave properties, and finish with the Big Bang theory, expanding universe and cosmic microwave background.

1. P1.1Wave propertiesFree 44 questions
2. P1.2Required practical: wave speed in a ripple tank and on a string67 questions
3. P1.3Sound waves, hearing range and the speed of sound66 questions
4. P1.4Ultrasound and echo sounding59 questions
5. P1.5Seismic waves and the structure of the Earth70 questions
6. P1.6The electromagnetic spectrum37 questions
7. P1.7Radio waves, alternating current and communications63 questions
8. P1.8Reflection of light, plane mirrors and ray diagramsFree 51 questions
9. P1.9Refraction of light and required practical with a glass block51 questions
10. P1.10Colour, transmission and absorption of light52 questions
11. P1.11Convex and concave lenses33 questions
12. P1.12Lens ray diagrams, real and virtual images and magnification31 questions
13. P1.13Black-body radiation and infrared emission28 questions
14. P1.14Required practical: infrared radiation emission and absorption by surfaces27 questions
15. P1.15The solar system and the life cycle of starsFree 10 questions
16. P1.16Orbits and red-shift46 questions
17. P1.17The Big Bang theory, expanding universe and cosmic microwave background63 questions

Topic P2: Sustainable energy

There are 8 parts: we start with energy stores, transfers and efficiency, and finish with the National Grid and electricity transmission.

1. P2.1Energy stores, transfers and efficiencyFree 65 questions
2. P2.2Kinetic and gravitational potential energy calculations70 questions
3. P2.3Work done and power65 questions
4. P2.4Conduction, convection and thermal insulation70 questions
5. P2.5Required practical: thermal insulation and rate of energy transfer65 questions
6. P2.6Energy resources62 questions
7. P2.7Mains electricity and power65 questions
8. P2.8The National Grid and electricity transmission63 questions

Topic P3: Electric circuits

There are 15 parts: we start with static charge and charging by friction, and finish with microphones.

1. P3.1Static charge and charging by frictionFree 67 questions
2. P3.2Electric fields and electrostatic forces73 questions
3. P3.3Uses and dangers of static electricity62 questions
4. P3.4Charge, potential difference and energy transferred (Q = It, E = QV)62 questions
5. P3.5Circuits, current and resistanceFree 69 questions
6. P3.6Required practical: resistance of a wire and of series and parallel circuits72 questions
7. P3.7Required practical: I–V characteristics of a resistor, filament lamp and diode73 questions
8. P3.8Thermistors, LDRs and sensing circuits58 questions
9. P3.9Magnets and the motor effectFree 50 questions
10. P3.10Electromagnets, solenoids and the magnetic field of a current64 questions
11. P3.11Electric motors22 questions
12. P3.12Loudspeakers and headphones24 questions
13. P3.13Induction and transformers51 questions
14. P3.14Generators: alternators, dynamos and AC/DC potential difference graphs70 questions
15. P3.15Microphones33 questions

Topic P4: Explaining motion

There are 19 parts: we start with speed, velocity and acceleration, and finish with elastic potential energy and force–extension graphs.

1. P4.1Speed, velocity and accelerationFree 67 questions
2. P4.2Distance–time and velocity–time graphs65 questions
3. P4.3Equations of motion: v² − u² = 2as55 questions
4. P4.4Scalars, vectors and resultant forces70 questions
5. P4.5Resolving forces and vector diagrams (Higher tier)57 questions
6. P4.6Forces and motionFree 50 questions
7. P4.7Newton's first law and inertia66 questions
8. P4.8Newton's second law (F = ma) and inertial mass68 questions
9. P4.9Required practical: force, mass and acceleration70 questions
10. P4.10Newton's third law and interaction pairs63 questions
11. P4.11Weight, mass and gravitational field strength59 questions
12. P4.12Terminal velocity and falling objects62 questions
13. P4.13Stopping distances, reaction time and braking20 questions
14. P4.14Momentum and conservation of momentum60 questions
15. P4.15Force, change in momentum and safety features62 questions
16. P4.16Elasticity, moments and pressure53 questions
17. P4.17Moments, levers and gears64 questions
18. P4.18Required practical: force and extension of a spring (Hooke's law)Free 70 questions
19. P4.19Elastic potential energy and force–extension graphs64 questions

Topic P5: Radioactive materials

There are 7 parts: we start with history of the atomic model and electron energy levels, and finish with nuclear hazards, fission and fusion.

1. P5.1History of the atomic model and electron energy levels71 questions
2. P5.2Atoms and radioactivityFree 74 questions
3. P5.3Nuclear decay equations and changes in the nucleus73 questions
4. P5.4Half-life and radioactive decay calculations75 questions
5. P5.5Background radiation and measuring count rate30 questions
6. P5.6Uses of radiation in medicine and industry38 questions
7. P5.7Nuclear hazards, fission and fusion71 questions

Topic P6: Matter – models and explanations

There are 7 parts: we start with density and changes of state, and finish with upthrust, floating and sinking.

1. P6.1Density and changes of stateFree 53 questions
2. P6.2Required practical: density of regular and irregular solids and liquids64 questions
3. P6.3Particle motion in gases48 questions
4. P6.4Internal energy and specific heat capacity63 questions
5. P6.5Required practical: specific heat capacity58 questions
6. P6.6Pressure in liquids and atmospheric pressure65 questions
7. P6.7Upthrust, floating and sinking20 questions

Topic S: Ideas about science and practical skills

There are 5 parts: we start with physical quantities, SI units, prefixes and unit conversions, and finish with analysing and evaluating data.

1. S.1Physical quantities, SI units, prefixes and unit conversionsFree 53 questions
2. S.2Standard form, significant figures, estimation and rearranging equations58 questions
3. S.3Drawing and interpreting graphs: gradients, areas and tangents60 questions
4. S.4Planning investigations: variables, measurement, accuracy and safety77 questions
5. S.5Analysing and evaluating data: uncertainty, anomalies and conclusions68 questions

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