Study guides

Absolute Zero

OCR·GCSE

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

OCR·GCSE

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.

Asteroids

OCR·GCSE

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.

Atmospheric Pressure

OCR·GCSE

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.

Atomic Structure

OCR·GCSE

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.

Atoms and Isotopes

AQA·GCSE

This guide provides a comprehensive, exam-focused breakdown of AQA GCSE Physics topic 4.4.2: Atoms and Isotopes. It covers everything from the historical models of the atom to the mathematical application of half-life, ensuring you have the knowledge and technique to secure top marks."

Background Radiation

OCR·GCSE

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."

Biofuels

OCR·GCSE

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.

Brownian Motion

OCR·GCSE

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.

Changes in Energy

AQA·GCSE

Master the essential energy calculations for your AQA GCSE Physics exam. This guide breaks down kinetic, potential, and elastic energy, showing you how to secure every mark with step-by-step worked examples and examiner insights.

Comets

OCR·GCSE

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."

Conservation of Momentum

OCR·GCSE

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.

Contact and Non-Contact Forces

OCR·GCSE

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.

Cosmic Microwave Background Radiation

OCR·GCSE

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.

Current

OCR·GCSE

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.

Density

AQA·GCSE

Master AQA GCSE Physics Density (4.3.1) with this comprehensive guide. We break down the core concepts, calculations, and the crucial Required Practical 5, giving you examiner insights to secure top marks."

Density

OCR·GCSE

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.

Density and States of Matter

Pearson Edexcel·GCSE

Master Edexcel GCSE Physics Topic 14.1: Density and States of Matter. This guide breaks down the essential particle model, the density formula (ρ = m/V), and the Core Practical for measuring density, providing examiner insights and memory hooks to help you secure top marks.

Diffraction

OCR·GCSE

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.

Distance and displacement

OCR·GCSE

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).

Distance-time graphs

OCR·GCSE

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

OCR·GCSE

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.

Efficiency and Power

Pearson Edexcel·GCSE

Master Edexcel GCSE Physics Topic 3.2: Efficiency and Power. This guide provides everything you need to calculate efficiency and power, explain energy dissipation, and secure top marks in your exam, complete with worked examples and examiner insights.

Elastic and Inelastic Deformation

OCR·GCSE

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.

Electric Circuits

Pearson Edexcel·A-Level

Pearson-A-Level-Physics

Master the fundamental principles of electric circuits, from Ohm's law to potential dividers. This guide covers essential formulas, I-V characteristics, and circuit analysis techniques needed to secure top marks in your GCSE Physics exam.

Electric Fields

OCR·GCSE

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.

Electricity

AQA·GCSE

8463

Master the structure and safety features of domestic mains electricity. Learn exactly how the live, neutral, and earth wires function together to protect you from 230V AC shocks, and discover the specific phrasing examiners demand for full marks.

Electromagnetic Spectrum

OCR·GCSE

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.

Electronics

AQA·A-Level

AQA Option F Electronics demands a rigorous synthesis of analogue signal processing via operational amplifiers and digital logic systems, including sequential circuits. You will design functional subsystems, derive component values mathematically, and apply circuit theory to real-world problems — skills that examiners test with multi-step calculations, circuit design tasks, and Boolean minimisation. Master this topic and you unlock some of the most reliably mark-rich questions on the A-Level paper.

Energy

AQA·GCSE

8463

Master Specific Heat Capacity, a crucial concept in the Energy topic that explains why materials heat up at different rates. This guide covers the essential equation, the required practical, and the exam techniques needed to secure top marks.