实验名称:轱辘井
实验原理:
轮轴是支点在力点和重点之间的杠杆
实验目的:
1.复习杠杆的分类及在生活中的应用
2.了解轮轴的原理
3.动手制作轱辘井
实验过程:
1.回忆杠杆原理
2动手制作轱辘井
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3.学生动手玩并自己解释轱辘井原理
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实验名称:轱辘井
实验原理:
轮轴是支点在力点和重点之间的杠杆
实验目的:
1.复习杠杆的分类及在生活中的应用
2.了解轮轴的原理
3.动手制作轱辘井
实验过程:
1.回忆杠杆原理
2动手制作轱辘井
3.学生动手玩并自己解释轱辘井原理
本文标题:小玩童科学探索馆第三十七次课
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