将实验介入概念教学的实践尝试,探索课堂中基于概念发展的实验教学策略,力求做到调整教师概念教学的预设,促进学生对科学概念的发展与建构。 The experiment is involved in the practice of concept teaching, exploring the experiment teaching strategy based on concept development in the classroom, and trying to adjust the preconditions of the concept teaching of teachers so as to promote the students’ development and construction of the concept of science.