This learning resource explores the concept of the triple point in the context of matter existing as solid, liquid, and gas simultaneously. It aims to engage students by having them observe a phase diagram illustrating the triple point of nitrogen, prompting them to reflect on their observations through a structured See-Think-Wonder routine. Students will analyze the arrangement and motion of particles within different states of matter and consider how these behaviors manifest during the triple point phenomenon. By understanding how particles interact and behave, learners will deepen their comprehension of how matter transitions between states under varying temperature and pressure conditions.