How does a waterfall become electricity?de Mike GrafMateriasHydroelectric power plantsElectricityHydrodynamicsWater-powerJuvenile literatureWater powerWater-power, juvenile literatureElectricity, juvenile literatureEdiciones (1)How does a waterfall become electricity? (2008)Raintree · inglés · ISBN 9781410934482Más obras de Mike GrafGoing to the sunPeril on Longs PeakMapping Earth from spaceM