
1111101三年甲班-磁鐵的妙用
Authored by 黃 鈺珊
Science
3rd Grade
Used 3+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
想要撿起散落一地的圖釘,用怎樣的方法最快速、乾淨又方便?
用鐵片去靠近圖釘
用長條形磁鐵的中間去吸引圖釘
用U形磁鐵的中間去吸引圖釘
用U形磁鐵的兩端去吸引圖釘
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
想將象棋固定在鐵製的棋盤上,不容易滑動和掉落,可以在象棋底部加裝什麼物品?
木片
鐵片
磁鐵
鋁片
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
甲、乙、丙三塊磁鐵,最多分別可以吸引5、7、3支迴紋針,請問三塊磁鐵的磁力大小為何?
乙>丙>甲
乙>甲>丙
甲>乙>丙
甲=乙=丙
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
桌上有U形、長條形、圓形三塊磁鐵,分別能吸引9支、9支、6支迴紋針,下列哪一個敘述是正確的?
圓形磁鐵的磁力最小
長條形和圓形磁鐵的磁力大小相同
U形磁鐵的磁力比圓形磁鐵小
長條形磁鐵的磁力比U形磁鐵小
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
鈺珊老師不小心打翻了一個小罐子,下列這些裝在罐子裡的物品,哪一個不能利用磁鐵撿起來?
彩色筆
鐵釘
鐵夾子
迴紋針
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
生活中處處可見應用磁力的例子,下列哪一項不是磁鐵在生活中的功能?
幫助固定物品
避免背包打開
製作成玩具
幫助植物傳播種子
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個物品沒有N極和S極?
圓形磁鐵
長條形磁鐵
U形磁鐵
鐵尺
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