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小学科学教师都知道:科学课是以科学探究为核心和目标,让学生经历了“推测—实验—验证—讨论交流—得出结论”的科学探究的过程。然而,课堂实验中经常会出现一些课前没有预测到的问题,学生也总会提出一些稀奇古怪的问题,让你束手无策,使自己处于一种尴尬难堪的境地,这无形中对小学科学教师科学知识储备提出了更高的要求,这使得我真正体会到了“学习、学习、再学习”这句话的重要性。“沉和浮”是学生在生活中经常见到的现象,
Science teachers in primary schools all know that science class is centered on scientific inquiry and that students are experiencing the process of scientific inquiry into “speculation - experiment - verification - discussion and exchange - conclusion”. However, in class experiments, there are often some problems that are not predicted before class, and students always ask some curious problems so that you are at a loss to embarrass yourself. This virtually affects the science of elementary science teachers Knowledge reserve put forward higher requirements, which makes me really understand the importance of “learning, learning, relearning”. “Shen and floating ” is a phenomenon often seen in life students,