Smart Planet is a secondary-level course which appeals to students' curiosity about the world around them. Stimulating materials complemented by fascinating videos from Discovery Education help bring classes to life and are the ideal starting point for successful language learning. The Workbook provides complete practice of all the vocabulary and grammar from the Student's Book with graded activities catering for mixed-ability classes. The Workbook also contains extra listening activities for self-study practice with online MP3 audio files. English and Spanish editions of this Workbook are also available.