Study Guides

This guide provides a comprehensive overview of Absolute Zero (OCR GCSE Physics 6.8), focusing on the core concepts of the Kelvin scale, particle kinetic energy, and the pressure-temperature relationship. It is designed to build exam confidence by providing worked examples, examiner insights, and targeted revision materials.

Acceleration is a fundamental vector quantity in OCR GCSE Physics, defined as the rate of change of velocity and measured in metres per second squared (m/s²). Mastery of this topic requires confident use of two key equations — a = (v−u)/t and v² = u² + 2as — alongside the ability to extract acceleration from the gradient of a velocity-time graph. This topic carries significant exam weight within Topic P2 (Forces) and underpins Newton's Second Law, projectile motion, and terminal velocity, making it one of the highest-leverage topics a candidate can revise.

This guide provides a comprehensive overview of Asteroids (OCR GCSE Physics 8.4), focusing on securing maximum marks. It covers their composition, location, and the crucial differences between asteroids and comets, complete with examiner insights and memory aids.

This guide explains Atmospheric Pressure for OCR GCSE Physics (2.11), covering why it exists, how it changes with altitude, and the crucial particle collision model. Master the non-linear relationship and key exam phrases to secure top marks.

This guide provides a comprehensive, exam-focused breakdown of Atomic Structure (OCR GCSE Physics 7.1). It covers the historical evolution of atomic models, the properties of subatomic particles, and the mathematical skills required to analyse atomic scale, ensuring candidates are fully prepared to secure maximum marks.

This guide provides a comprehensive, exam-focused breakdown of Background Radiation (OCR GCSE Physics 7.5). It covers all key concepts, from natural and man-made sources to the essential skill of calculating corrected count rates, ensuring you are prepared to secure maximum marks."

This guide provides a comprehensive, exam-focused breakdown of Biofuels (OCR GCSE Physics 5.13). It covers the core concepts of carbon neutrality, reliability, and the environmental and socio-economic debates essential for securing top marks. Mastering this topic will equip candidates to answer everything from a 1-mark definition to a 6-mark evaluate question with confidence.

This guide provides a deep dive into Brownian motion for OCR GCSE Physics (6.9), explaining the crucial evidence it provides for the kinetic particle model. Master the concepts of random particle motion and unbalanced collisions to secure top marks in your exam.

This study guide covers comets within the OCR GCSE Physics specification, focusing on their highly elliptical orbits, velocity changes, and energy transformations. Understanding how comets differ from planets and applying gravitational principles to explain speed variations are critical for earning marks in both Foundation and Higher tier exams."

This guide provides a comprehensive overview of the Conservation of Momentum (OCR GCSE Physics 1.13), a fundamental principle governing interactions between objects. It is designed to equip students with the knowledge and skills to tackle exam questions effectively, focusing on mathematical application, conceptual understanding, and exam technique.

This guide provides a comprehensive, exam-focused breakdown of Contact and Non-Contact Forces for OCR GCSE Physics (2.1). It covers everything from fundamental definitions and free-body diagrams to mastering Newton's Third Law, ensuring candidates can secure maximum marks.

This topic explores the Cosmic Microwave Background Radiation (CMBR), the most compelling evidence for the Big Bang theory. You'll learn how this uniform microwave glow, detected from every direction in space, originated as high-energy gamma radiation shortly after the universe began and was stretched into microwaves by the expansion of space itself. Mastering this topic is crucial for distinguishing the Big Bang model from the now-discredited Steady State theory and for securing top marks in exam questions on cosmology.

Master the fundamentals of electric current for your OCR GCSE Physics exam. This guide breaks down the core concepts of charge, current in series and parallel circuits, and the essential Q=It equation, providing examiner insights to help you secure every mark.

Master OCR GCSE Physics Topic 6.2: Density. This guide breaks down the core concepts, the essential ρ = m/V formula, and the required practical for measuring regular and irregular solids. Secure top marks by mastering unit conversions and particle model explanations.

Unlock top marks in OCR GCSE Physics by mastering diffraction (4.7). This guide breaks down how waves spread out, the crucial link between wavelength and gap size, and how to apply this to real-world scenarios like radio signals and sound.

Master the crucial difference between scalar distance and vector displacement, a fundamental concept in OCR GCSE Physics. This guide provides examiner-level insights, worked examples, and multi-modal resources to help you secure top marks on questions from Topic P2 (Forces).

Master the art of interpreting distance-time graphs for your OCR GCSE Physics exam. This guide breaks down how to calculate speed from gradients, analyse motion, and tackle tricky exam questions for both Foundation and Higher tiers, ensuring you can secure every available mark.

Efficiency is one of the most reliably tested quantitative topics in OCR GCSE Physics, requiring candidates to calculate the ratio of useful energy output to total energy input and to apply the law of conservation of energy to explain what happens to wasted energy. Mastering this topic means understanding not only the mathematics but also the precise scientific language examiners demand — particularly the term 'dissipated' — and being able to suggest specific, mechanistically justified improvements to real-world devices. With questions appearing on both Foundation and Higher tier papers and spanning AO1 recall, AO2 application, and AO3 analysis, a thorough command of Efficiency can reliably secure marks across every assessment objective.

Master the difference between elastic and inelastic deformation, a core concept in OCR GCSE Physics. This guide breaks down Hooke's Law, force-extension graphs, and energy calculations to help you secure top marks in your exams by focusing on examiner expectations and common pitfalls.

Master OCR GCSE Physics Topic 3.10: Electric Fields. This guide provides everything you need to secure top marks, from drawing perfect field line diagrams to explaining complex Higher Tier concepts like ionisation with examiner-approved language. Packed with worked examples, memory hooks, and a full audio podcast, this is your ultimate resource for exam success.

This guide covers the OCR GCSE Physics topic of the Electromagnetic Spectrum (4.3), a guaranteed feature in your exams. We'll break down the seven types of EM waves, their properties, uses, and dangers, providing you with the exam technique and memory hooks needed to secure top marks.

Master one of GCSE Physics' most fundamental concepts: Energy Stores. This guide provides a complete breakdown of the eight stores, four transfer pathways, and the essential calculations you need to secure top marks with OCR. We'll explore how energy is never 'lost', only transferred, a key concept that examiners love to test.

This guide provides a comprehensive, exam-focused breakdown of Energy Transfer (OCR GCSE Physics 2.3). It covers the essential stores and pathways model, key calculations for efficiency and power, and the critical distinction between specific heat capacity and thermal conductivity, ensuring candidates are prepared to maximise their marks.

Master OCR GCSE Physics Topic 5.2: Energy Transfers. This guide provides everything you need to understand energy stores, pathways, and conservation, with a focus on the quantitative skills required to calculate power and efficiency. Secure top marks by learning how to analyse thermal energy transfer and apply your knowledge to challenging exam questions.

Unlock top marks in GCSE Physics with this guide to Nuclear Fission and Fusion (OCR P6.4). Discover the secrets of chain reactions and stellar energy, and learn exactly what examiners want to see in your answers.

Fossil fuels — coal, oil, and natural gas — are the dominant global energy source, yet their combustion drives climate change through CO2 emissions and causes acid rain through SO2. OCR examiners assess candidates on their ability to evaluate the trade-offs between fossil fuels' unmatched reliability and energy density against their serious environmental and sustainability drawbacks, making this a high-value topic for both Foundation and Higher tier candidates.

Unlock top marks in your OCR GCSE Physics exam by mastering Galaxies (Topic 8.7). This guide breaks down the vastness of space into bite-sized, exam-focused chunks, from the structure of our Milky Way to the mind-bending evidence for the Big Bang.

This guide provides a comprehensive, exam-focused breakdown of Gas Pressure (OCR GCSE Physics 6.7). It covers the core particle model, Boyle's Law, and Higher Tier concepts like work done on a gas, all reinforced with multi-modal assets to secure top marks.

This guide provides a comprehensive, exam-focused breakdown of Geothermal Power for OCR GCSE Physics (5.12). It covers the essential energy transfer processes, key advantages and disadvantages, and the specific exam techniques required to secure top marks on questions about this reliable, renewable energy source.

Master radioactive half-life for your OCR GCSE Physics exam. This guide breaks down how to read decay graphs, perform calculations, and apply concepts to real-world scenarios like medical imaging, ensuring you can secure every mark available on this key topic.