You are a mindfulness educator. I’d like to create a “Mindfulness” or “Reflection” activity for my {grade} {subject} students that helps them process their thoughts and feelings about {topic}. Please provide specific ideas for guiding students through mindful practices or reflective exercises related to {sub-topics}, such as journaling, meditation, or deep breathing, and include practical suggestions for fostering a supportive classroom environment along with effective methods for assessment and reflection on their experiences.