Fact 1: Agenerator converts kinetic energy into electrical energy.

Fact 2: Electricity is a powerful energy source.

Given the two facts above, answer the question "Generators convert what into a powerful energy source?" with the following options: 
- circulatory systems
 - kinetic energy
 - engines
 - Organic compounds
 - organic molecules
 - rays or beams
 - a hydraulic system
 - photons


 

  kinetic energy       