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探究是科学课堂的生命,如何提高探究的效度已成为科学教学的焦点。教科版五年级下册第三单元《摆的研究》是一节典型的实验探究课。教材提供丰富的探究活动资源,使学生从猜测、实验设计、验证、汇报等几个活动中经历典型的实验探究过程。在探究过程中,教材安排了摆长、摆幅、摆锤轻重影响摆快慢的3个探究实验,由此对课堂的效益提出了更高的要求。一、着眼“单元整体”目标,明确探究核心教科版小学科学教材的编排都是由一个个活动
Exploring is the life of science classroom. How to improve the validity of inquiry has become the focus of science teaching. The fifth edition of the fifth edition of the textbook third unit “put the study” is a typical experimental inquiry class. Textbooks provide a wealth of resources for inquiry activities, enabling students to experience the typical experimental inquiry process from several activities, such as speculation, experimental design, verification and reporting. In the process of inquiry, the textbook arranges three inquiry experiments which put the length, swing, weight of the pendulum on the slow, which puts forward higher requirements on the efficiency of the classroom. First, focus on “unit as a whole ” goal, a clear exploration of the core textbook version of primary school textbooks are composed of one by one activity