Topics in focus in these proceedings: - how history and philosophy of science (HPS) helps students understand science - its contents and processes; - how HPS-based science teaching can lead teachers to develop new didactic activities; - how HPS contributes to the understanding of the concepts of law of nature, theory, observation, experience, fact and its relationship with the knowledge to be worked on in the classroom; - how HPS can help to understand and frame contemporary debates and controversies.