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新课改要求我们建立以学生为主体、以探究性学习为核心的教学观,因此教师的教学活动目标就是为学生创造各种参与学习的条件和机会,支持学生的学习和发展。著名的化学家戴安邦先生说:“实验教学是科学教育中的一种最有效的形式。”在小学科学教学中,实验以生动、直观、有趣等特点,对学生产生了极大的吸引力,其中教师的演示实验又起着至关重要的作用。
The new curriculum reform requires us to establish a teaching concept with students as the main body and inquiry learning as the core. Therefore, the goal of teachers ’teaching activities is to create conditions and opportunities for students to participate in the study and support students’ learning and development. Mr. Dai Anbang, a famous chemist, said: “Experimental teaching is one of the most effective forms in science education.” In primary science teaching, experiments are vividly, intuitively and interestingly appealing to students The teacher’s demonstration experiment plays a crucial role.