Fact 1: When an animal moves , chemical energy is converted to mechanical energy.

Fact 2: Mechanical energy puts things in motion.

Given the two facts above, answer the question "When an animal moves, chemical energy is converted to do what?" with the following options: 
- put things in motion
 - adding heat
 - reduce friction
 - Riding a bike
 - sperm and egg fuse
 - slow time
 - The bending of a ray of light
 - slow motion


 

 put things in motion        