112上自4
Authored by 張森貴 張森貴
Science
3rd Grade
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有些跳棋可以固定在鐵製的棋盤上，是因為那些跳棋裡面裝有磁鐵。
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將長條形磁鐵放入裝滿小鐵珠的盒子中，磁鐵拿出時，發現只有一端有吸住小鐵珠。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小圓拿長條形磁鐵去吸迴紋針，發現長條形磁鐵兩端能吸起的迴紋針數量比中間多。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
形狀、大小都相同的磁鐵，能吸引的相同迴紋針數量不一定相同。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵的磁極具有同極性互相排斥，異極性互相吸引的特性。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
長條形磁鐵的Ｎ極靠近圓形磁鐵的Ｓ極，會把圓形磁鐵推開。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵利用紙張包起來可以加強原本磁力，使磁鐵吸住更重的物體。
O
X
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