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实验是化学课程的重要组成部分,实验也是激发学生学习兴趣的重要途径.要判断学习过程中的一些推断、猜想是否正确,教师的评判不一定正确,课本的评判也不一定正确,应该让学生进行独立的实验探究,实验是检验真理的唯一标准.在探究性实验的实施过程中,往往会有一些意想不到的发现,作为教师,不应该忽视这些细节,或者点到为止,而应该鼓励学生继续进行探究,或者与学生一起设计实验深入探究,而这也要求教师高瞻远瞩,充分吃透教材.
Experiment is an important part of chemistry course, and experiment is also an important way to stimulate students’ interest in learning.To judge some inferences and conjectures in the process of learning, teachers’ judgments may not be correct and textbooks’ judgments are not necessarily correct. Students should Experiments are independent experiments and experiments are the sole criterion for testing truths, and there are often some unexpected discoveries in the course of exploratory experiments. As teachers, these details should not be overlooked, or they should not be overlooked. Instead, students should be encouraged Continue to explore, or design experiments with students in-depth exploration, which also requires teachers to look forward and fully understand the teaching material.