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4-2小考

Authored by 周勇男 周勇男

Education

3rd Grade

Used 1+ times

4-2小考
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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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