温度计量程的认识与物理方法思考
许多人在初次接触学习刻度尺或是温度计量程的时候,都会犯一个错误,那就是认为最大的刻度值是它的量程。
其实不然,就拿温度计举例吧,因为大部分人生活所限,很少接触到比较低的温度,却更容易接触到较高的温度,例如100℃,造成我们有个思维的误区,以为量程只是向高温方向的。
其实呢,量程是向两个方向的:高温和低温。
量程是一个范围,例如:-50℃——100℃。
其实,物理中的许多概念的理解,都需要我们抛弃日常的偏见,从新思考和学习,有时,甚至是逆转思维。
要学好物理,首先要充分的认识,理解概念,例如,量程的概念,跟路程对比着理解,都有“程”字,路程是个长度量,那么量程也显然。这也是一个很重要的学习方法,新知识与旧知识的对比思考与理解。
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