随着教学改革的深入,教师在教学过程中的角色发生了根本的转变。教师不再是单一的教材的讲述者,而是转变成了学生的引领者。小学科学新课程标准明确指出探究是小学生学习的主要形式,也是科学活动的核心。在平时教学活动中教师应该本着“实 With the deepening of teaching reform, the fundamental role of teachers in the teaching process has undergone fundamental changes. Teachers are no longer the narrator of a single textbook, but the leader of a student. The new curriculum standard of primary science clearly pointed out that inquiry is the primary form of primary school learning and also the core of scientific activities. In normal teaching activities, teachers should be based on ”real