AQA•GCSE•Combined Science
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Particle Model of Matter
States of matter, changes of state, internal energy and pressure
Practice 36 subtopics in Particle Model of Matter. All questions match the AQA GCSE specification.
About Particle Model of Matter
Particle Model of Matter is a key topic in the AQA GCSE Combined Sciencespecification. This topic covers states of matter, changes of state, internal energy and pressure.
Master all 36 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 (36)
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Density definition (mass per unit volume)Density equation (ρ = m/V)Density of solids, liquids and gasesRequired Practical: Measuring densityMeasuring density of regular solidsMeasuring density of irregular solids (displacement)Measuring density of liquidsThree states of matter (solid, liquid, gas)Particle arrangement in solids, liquids, gasesParticle motion in solids, liquids, gasesMelting and freezingBoiling and condensingSublimationPhysical changes vs chemical changesConservation of mass during state changesInternal energy definitionKinetic energy of particlesPotential energy of particlesHow heating changes internal energyTemperature and kinetic energySpecific heat capacity definitionFactors affecting energy needed for temperature changeCalculating energy for temperature change (E = mcΔθ)Specific latent heat definitionLatent heat of fusionLatent heat of vaporisationCalculating energy for state change (E = mL)Why latent heat involves no temperature changeHeating and cooling curvesRandom motion of gas particlesGas pressure from particle collisionsTemperature and particle speedRelationship between pressure, volume and temperature (H)Pressure-volume relationship at constant temperature (pV = constant) (H)Work done on gas increases temperature (H)Explaining pressure changes using particle model (H)
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