想將象棋固定在鐵製的棋盤上,可以在象棋底部加裝什麼物品?
一年级科学 磁铁(二)

Quiz
•
Science
•
1st Grade
•
Hard
LOI Moe
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
木片
鐵片
鋁片
磁鐵。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將強力磁鐵中的鐵片抽離後,磁鐵的吸力會怎樣?
(1)變大
(2)變小
(3)不變
(4)無法比較。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵不用時,放在哪裡保存比較好?
(1)冰箱裡
(2)烤箱旁
(3)鐵片上
(4)電腦旁。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在明信片背面貼上下列哪一種物品,就可以使明信片固定在冰箱門上,方便欣賞?
(1)保麗龍
(2)軟木片
(3)磁鐵
(4)塑膠尺。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有些磁鐵在使用時,兩側會附上鐵片,這樣做的目的是什麼呢?
(1)使磁鐵顏色更美觀
(2)增加磁鐵的重量
(3)增加磁鐵的吸力
(4)改變磁鐵的磁極。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小琪用磁鐵沿著杯壁吸引,並取出掉落在水杯中的迴紋針,應用了下列哪一種磁鐵特性?
(1)磁鐵都具有兩個磁極
(2)磁鐵隔著物品仍具有磁力
(3)同極相斥,不同極相吸
(4)磁鐵附加鐵片可以增加吸力。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列生活中的哪一項物品,沒有使用到磁鐵?
(1)門擋
(2)鉛筆盒
(3)冰箱門
(4)削鉛筆機。
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