KS3 Science PhysicsElectricityElectromagnetismEnergyForces and MovementsSolid, Liquid, and GasesWavesSpace ChemistryThe particle model of matterAtoms, elements and compoundsPure and impure substancesChemical reactionsAcids and alkalisPeriodic tableThe reactivity seriesMaterialsThe Earth and atmosphere BiologyLiving organismsNutrition, digestion and excretionRespiration and gas exchangeHealth and diseaseReproductionEcosystems and habitatsInheritance and geneticsHumans and the environment