实验名称:《国旗升降台》
实验原理:定滑轮
实验目的:
1.了解滑轮的分类以及定滑轮和动滑轮的作用
2.动手制作国旗升降台
实验步骤:
1.按照说明自己安装装置
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2.认识装置中的组成部分,了解滑轮的组成和作用
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3.升国旗,唱国歌
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实验名称:《国旗升降台》
实验原理:定滑轮
实验目的:
1.了解滑轮的分类以及定滑轮和动滑轮的作用
2.动手制作国旗升降台
实验步骤:
1.按照说明自己安装装置
2.认识装置中的组成部分,了解滑轮的组成和作用
3.升国旗,唱国歌
本文标题:小玩童科学探索馆第三十一次课
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