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112上自4

Authored by 張森貴 張森貴

Science

3rd Grade

Used 1+ times

112上自4
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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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