# Academy workbook > The exercises of a PhotoRobot Academy module: scenarios, tasks and self-check questions. Category: Training and certification. A workbook is the practical companion to a textbook, with scenarios, tasks and self-check questions. It turns the theory of the module into practice. ## How PhotoRobot uses it Every PhotoRobot Academy module has a workbook next to its [textbook](https://www.photorobot.com/glossary/academy-textbook). Workbooks are part of the course material for enrolled students. ## Related terms - [Academy textbook](https://www.photorobot.com/glossary/academy-textbook): The student reference text of a PhotoRobot Academy module. - [Academy module](https://www.photorobot.com/glossary/academy-module): The basic unit of the PhotoRobot Academy curriculum: one topic in 30 to 90 minutes. - [Hands-on extension](https://www.photorobot.com/glossary/hands-on-extension): An optional practical exercise of 45 to 60 minutes that follows a PhotoRobot Academy module.