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浮沉玩偶 科学实验课 科技小制作 DIY儿童手工创意玩具 浮沉实验

  • EXW Price: Min. order:
    ¥4.2
    ≥3/set
    ¥3.8
    ≥100/set
    ¥3.6
    ≥1000/set
  • 3 set
  • Exchage Rate 1 CNY ≈ 0.1419 USD
  • Weight 1.0 kg/set
  • Stock num 8891 set
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  • Description
 
 
 
 
 

 

品    名:浮沉玩偶

 

货    号:KX702 

 

包    装:包装袋

 

装 箱 数:200 PCS

 

箱    规:60*50*45 CM

 

 

浮沉小精灵:运用的是帕斯卡原理,重力和浮力

 

当重力大于浮力时,小精灵下沉

 

当重力等于浮力时,小精灵悬浮或漂浮

 

当重力小于浮力时,小精灵上浮

 

放两个小精灵是好让学生比较小精灵里水不一样多时,要让小精灵下沉,对瓶子施加的压力是不一样的!

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Update time:20240827140017


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