Fact 1: Awindmill converts wind energy into electricity primarily by using mechanical energy.

Fact 2: Mechanical energy is the energy of moving objects.

Given the two facts above, answer the question "How does a windmill make wind energy?" with the following options: 
- simple
 - adding heat
 - programmed
 - Movement
 - Water
 - Standing still
 - forces
 - Electricity


 

    Movement     