The materials present a secondary school level teaching sequence on physics inquiry. These teaching materials are freely available under the CC-BY-NC licence. The materials are made by Freek Pols: c.f.j.pols@tudelft.nl The materals have been translated as part of an ERASMUS+ project: https://spoonobook.hypotheses.org/ Grant agreement N.2018-1-FR201-KA201-048202 Materials are available in Dutch, English, French, Spanish and Basque. The materials have been used and described in: Pols, C. F. J., Dekkers, P. J. J. M., & de Vries, M. J. (2019). Introducing argumentation in inquiry—a combination of five exemplary activities. Physics education, 54(5), 055014. https://research.tudelft.nl/en/publications/introducing-argumentation-in-inquirya-combination-of-five-exempla https://research.tudelft.nl/files/57132662/Introducing_argumentation_TUD.pdf Pols, C. F. J., Dekkers, P. J. J. M., & de Vries, M. J. (2021). “Would you dare to jump?” Fostering a scientific approach to research in secondary physics education. (Manuscript submitted). Pols, C. F. J., Dekkers, P. J. J. M., & de Vries, M. J. (2021). Developing students’ Understanding of Evidence using the central theme ‘striving for scientific cogency’. (Manuscript in preparation).