化学“实验探究”学习活动有利于促发学生自主创新性学习,满足学生求知需要、学习情感和自信心,实现知识的学习与创新,构建和完善自己的认知结构。我结合教学实践个案,谈谈做法及体会。案例一:在学“有多种物质组成的空气”时,我课 Chemistry “experimental inquiry ” learning activities are conducive to promoting students independent innovation learning, to meet the needs of students seeking knowledge, learning emotion and self-confidence, to achieve knowledge of learning and innovation, to build and improve their own cognitive structure. I combine teaching practice cases to talk about practices and experiences. Case one: studying “air with multiple substances”, I class