Question

In a hydropower station, water stored in dams is allowed to fall with force to make a turbine move. The turbine moves and produces electricity. In the diagram, identify the stages of transformation of energy in the hydropower station.

Answer 1

As the turbine spins, it turns a metal shaft connected an electric generator, which is basically a motor that produces electricity.
 In the case of a hydro-electric dam, it's flowing water that's used as the power source to turn the turbine.

Answer 2

gravitational (stored)

to

kinetic

to

kinetic (turbine)

to

electrical (power lines)