儿童DIY磁铁科技小制作 磁力跷跷板的做法图解
做手工 |
爱发明 / 作者:冲击夯
/ 时间:2019-03-20 
原理:涉及杠杆原理,平衡、磁极等相关知识。下面我们一起动手试试做一个吧!
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1.准备材料:雪糕棍、打好孔的木方、磁铁、密封圈、圆木棒、502胶水、白乳胶、双面胶
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2.把短木方粘在宽雪糕棍的中间位置
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3.如图把两块打孔的木方好粘
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4.如图安装长木方
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5.安装密封圈
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6.如图用小刀把窄雪糕棍的两端割下来
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7.把割好的雪糕棍粘在长木方的两端
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8.把四块磁铁都备上双面胶
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9.如图粘到支架上(注意:站的时候要使上下两块磁铁相互排斥)
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10.好啦!大功告成啦!
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