从“说教”走向“体验”，开放日在青少年心中播下绿色的种子

Core Viewpoint - The article highlights the importance of experiential learning in environmental education for students, showcasing how hands-on activities can foster a deeper understanding of ecological concepts and inspire proactive behaviors towards sustainability [1] Group 1: Event Overview - The environmental monitoring center of Langfang City, Hebei Province, organized a public open day event, inviting over 50 middle school students to engage with environmental protection facilities [1] - Students participated in immersive experiences, including operating PM2.5 monitoring equipment and observing the entire water quality testing process, which helped them appreciate the role of technology in ecological protection [1] Group 2: Educational Impact - The open day transformed the perception of scientific knowledge from passive learning to active exploration, allowing students to witness real-time data collection and analysis [1] - Students reported a significant shift in understanding, with over 80% indicating they would reduce the use of disposable utensils after learning about waste classification [1] Group 3: Recommendations for Improvement - To enhance future public open day events, a regular mechanism should be established, with fixed open days each semester and involvement from more primary and secondary schools [2] - Content differentiation is suggested, such as designing engaging experiments for younger students and advanced topics for high school students [2] - A dual-mode approach is recommended, combining offline deep experiences with online virtual laboratories and ecological knowledge games to broaden outreach [2]