4-2小考
Authored by 周勇男 周勇男
Education
3rd Grade
Used 1+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
利用磁鐵去吸鐵釘，就能分辨鐵釘的哪一端是S極。
O
X
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ㄅ磁鐵的S極隔著紙張靠近ㄆ磁鐵，如果兩個磁鐵隔著紙張仍會互相吸引，表示ㄆ磁鐵被吸引的那一端是N極。
O
X
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
兩個磁鐵的S極互相靠近會互相排斥，如果愈靠近則感受到的排斥力愈小。
O
X
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
圓形的磁鐵只會和圓形的磁鐵互相吸引。
O
X
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
當兩塊磁鐵靠近時，不管方向如何，都會吸在一起。
O
X
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
長條形磁鐵的異極會互相吸引，但是圓形磁鐵的異極會互相排斥。
O
X
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一塊磁鐵和一塊鐵片互相靠近時，也會出現同極相斥、異極相吸的現象。
O
X
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