1) what is Hydroelectric a) a source of power powered by water b) a power using fossil fuels c) nuclear energy d) Biomass energy e) geothermal energy f) solar thermal energy 2) why is Hydroelectric useful? a) It helps to reactivate fossil fuels b) it uses coal to serve as a backup energy c) It helps as it serves as a backup energy d) it's a coal powered backup energy e) it produces electricity f) hydroelectric produces the most eletcric 3) Where is the biggest power plant powered by water? a) parker dam b) jingping 1 dam c) The inks dam d) The three gorges dam e) The kariba dam 4) How big is a dam a) 150m b) 300m c) 20m d) 500m e) 10m f) 1000m

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