Edexcel•GCSE•Physics
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Particle Model
Density, states of matter, internal energy, pressure and changes of state
Practice 32 subtopics in Particle Model. All questions match the Edexcel GCSE specification.
About Particle Model
Particle Model is a key topic in the Edexcel GCSE Physicsspecification. This topic covers density, states of matter, internal energy, pressure and changes of state.
Master all 32 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (32)
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Three states of matter (solid, liquid, gas)Particle arrangement in solidsParticle arrangement in liquidsParticle arrangement in gasesParticle motion in each stateDensity definition (mass per unit volume)Density equation (ρ = m/V)Core Practical: Determine density of regular and irregular solidsMeasuring density of liquidsInternal energy definitionKinetic and potential energy of particlesTemperature and average kinetic energySpecific heat capacity definitionSpecific heat capacity equation (E = mcΔθ)Changes of state (melting, freezing, boiling, condensing, sublimation)Conservation of mass during state changesSpecific latent heat definitionLatent heat of fusionLatent heat of vaporisationLatent heat equation (E = mL)Heating curvesWhy temperature stays constant during state changePressure in gases from particle collisionsFactors affecting gas pressureTemperature and pressure relationshipVolume and pressure relationshipPressure and volume at constant temperature (pV = constant) (H)Kelvin temperature scale (H)Absolute zero (H)Gas laws calculations (H)Atmospheric pressureVariation of atmospheric pressure with altitude
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Start with Three states of matter (solid, liquid, gas)