小实验四年级作文
下面是小编整理的小实验四年级作文,本文共17篇,欢迎阅读分享,希望对大家有所帮助。 实验小达人四年级作文 实验是一种科学的研究方法。当人们要了解某种自然现象和规律时,就要在一个模拟的特定环境下,借助一些工具和仪器,来见证自己的想法是对还是错。妈妈最近就给我买了一套实验器材,还教了我许多做实验的方法呢! 整个寒假,我一共做了6个实验:滑轮的作用、了解不同保温杯的保温效果、侧量小灯泡的亮度变化、阿基米
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