Treasure Hunt: Energy & Machines (in Spanish)

Hi everybody!!. Here we leave you a treasure hunt about energy and machines that we hope you find interesting (it is in Spanish!!). Have fun!! :-D

You can download it from the following link:

https://drive.google.com/file/d/0B2HQtVZN6dGTblVIS09GbDRxdFE/view?usp=sharing