《纸》的教学实录与分析

The Teaching Records and Analysis of “Paper”

《纸》是三年级下册第四单元"身边的材料"第2课。本课围绕探究纸的特性安排了研究不同纸的吸水性、结实程度以及想办法做一只不渗水的纸船三个活动。顺应儿童的认知规律,本课拟定了如下教学目标:在比赛折纸船的游戏中,明晰实验规则;在探究纸的不同特性中,渗透做对比实验的方法;在改进实验的过程中,培养学生的批判性思维能力和创造能力。学生经历了发现问题,解决问题再到生成新的问题,最后尝试解决问题的过程。整节课,学生始终围绕着一个核心任务展开游戏、实验、想象,思维在一连串的活动中不断地提升。

"Paper"is the second lesson of unit 4"materials around"in Volume 2 of grade 3.This course focuses on exploring the characteristics of paper,arranging three activities:studying the water absorption and firmness of different papers,and trying to make a watertight paper boat.In accordance with children’s cognitive rules,the following teaching objectives are formulated:in the paper folding boat game,clear experimental rules;In order to explore the different characteristics of paper,the method of contrast experiment is used;In the process of improving the experiment,cultivate students’critical thinking ability and creative ability.Students experience the process of finding problems,solving problems,generating new problems,and finally trying to solve problems.Throughout the class,students always play games,experiment and imagine around a core task,and their thinking is constantly improved in a series of activities.