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[教学目标]1.过程与方法能够识别复杂形状由哪些基本形状构成。能够将自然界的生物形状与生活中使用的物品进行形状比较。能够开展实验,探究物体形状与承受力大小之间的关系。2.科学知识知道复杂形状是由简单形状构成,认识一些简单形状。知道改变物体形状,承受力大小也会改变。了解一些不易变形物体的承受力。知道改变形状,以增大承受力的方法应用很广泛。3.情感态度与价值观欣赏自然界中生物奇妙的形状和结构,体会它给人们带来的启示。体验与人合作完成任务的乐趣。意识到
[Teaching Objectives] 1. Process and Method It is possible to identify which basic shapes make a complex shape. It is possible to compare the shape of a living creature with the shape of a living object. Can carry out experiments to explore the relationship between object shape and bearing capacity. 2. Scientific Knowledge Knowing complex shapes are made up of simple shapes and recognize some simple shapes. Know that change the shape of objects, bearing capacity will change. Understand the resilience of some non-deformable objects. Knowing how to change shape to increase endurance is widely used. 3. Emotional attitudes and values Appreciate the wonderful shape and structure of the creatures in nature, and understand the revelation it brings to people. Experience the pleasure of working with people to accomplish your mission. Realize