Motion changes to stored energy. Stored energy changes to motion and heat. Heat changes to motion and stored energy. Motion changes to chemical energy.
I gave my students this multiple choice question: How is energy changed when a person starts to jog?

Only one answer is correct among these 4 choices:
- Motion changes to stored energy.
- Stored energy changes to motion and heat.
- Heat changes to motion and stored energy.
- Motion changes to chemical energy.

Could you tell me which one is correct?

Stored energy changes to motion and heat.