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The Particle Model of Matter is a key topic in GCSE Physics, helping you understand how the arrangement and motion of particles explain the behaviour of solids, liquids, and gases. This page includes all my free GCSE Particle Model of Matter video lessons, practice questions, and answers to help you build a deep understanding of these ideas.
You’ll find lessons covering density, changes of state, internal energy, specific heat capacity, specific latent heat, and the gas laws. Each video and worksheet follows the AQA, OCR, and Edexcel GCSE and IGCSE Physics specifications, making them ideal for revision, classroom learning, or independent study.
You can also explore related topics such as Energy and Atomic Structure to see how energy transfer and the structure of atoms link to the particle model.
Watch my free GCSE Physics Particle Model of Matter videos below. Each lesson explains a key idea using visual examples, simple diagrams, and exam-style questions to make the concepts easy to follow.
Topics include:
Density and practical experiments
Changes of state and internal energy
Specific heat capacity and latent heat
Gas pressure and temperature relationships
Test your knowledge with these GCSE Particle Model of Matter practice questions. They’re designed for AQA, OCR, and Edexcel GCSE Physics students and help you apply formulas and reasoning to exam-style problems.
These questions cover key skills such as calculating density, interpreting graphs of heating and cooling, and applying the gas laws to real-life examples.
In this video I take a look at internal energy, specific heat capacity, and specific latent heat. I also go through a 6 mark style calculation.
How can you find density? I look at both how to calculate density and the practical method of finding mass and volume.
More videos and questions on the particle model of matter.
© Copyright, Plato Education 2025