结构和功能


Crosscutting Concept - Structure and Function Paul Andersen explains how the structure of objects are related to their function and vice versa. He begins with a quick quiz on bicycle construction and ends with a progression of teaching for students grades K-12. He also explains how the scale of an object will determine the function studied.

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下一代科学标准横切概念6:结构和功能
Paul Andersen解释了对象的结构是如何与它们的功能相关的,反之亦然。他以一个关于自行车构造的快速测试开始,以K-12年级学生的教学进展结束。他还解释了物体的规模如何决定所研究的功能。