EntityQ1059714· pop 29· linked from 505 articlesprimary energySign in to saveenergy form not subjected to any human conversion processConnectionsfossil fuelEntitytidal energyEntityfuelEntityworkEntitywind powerEntityenergy transformationEntitygeothermal powerEntityhydrogenEntityenergyEntityelectricityEntitysoundEntitypetroleumEntitymassEntityInternational Standard Book NumberEntitythermodynamicsEntityplutoniumEntitycoalEntitynuclear powerEntitythoriumEntitycapacitorEntityCategoriesEnergyThermodynamics