探究即多方寻求，追问根由。反映在自然课学习上，探究包含了四个层意———提出问题、做出假设、验证假设、得出结论。怎样在纷繁复杂的大自然中发现并提出问题呢？———观察是发现问题的前提。集体观察和独立观察相结合。课堂上，当老师在运用模型、挂图或进行演示实验时， Inquiry is a multi-party search and follow-up. Reflected in the study of natural lessons, inquiry involves four layers of ideas: asking questions, making hypotheses, validating hypotheses, and drawing conclusions. How to find and raise questions in the complex nature? — Observation is the premise for finding problems. Collective observation combined with independent observation. In class, when the teacher is using models, wall charts, or demonstration experiments,