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南一國小自然3上CH4-2

Authored by 南一 自然

Science

3rd Grade

Used 178+ times

南一國小自然3上CH4-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將長條形磁鐵的S極靠近另一個磁鐵的兩端,哪一端會被吸引?

N極

S極

都會被吸引

都不會被吸引

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

磁鐵的磁極具有什麼特性?

只會互相吸引

只會互相排斥

同極性會互相排斥,異極性會互相吸引

同極性會互相吸引,異極性會互相排斥

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將磁鐵的N極靠近另一塊磁鐵的N極,會發生什麼現象?

互相排斥

互相吸引

沒有反應

先排斥,再互相吸引

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

當圓形磁鐵和長條形磁鐵互相靠近時,圓形磁鐵的N極會和長條形磁鐵的哪一端互相吸引?

N極

S極

都會互相吸引

都不會互相吸引

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

環形磁鐵的N極會和下列何者互相排斥?

鐵製的長尾夾

環形磁鐵的S極

長條形磁鐵的S極

圓形磁鐵的N極

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將兩個環形磁鐵的S極互相靠近,會發生什麼現象?

磁鐵的磁力消失

極變成N極

互相排斥

互相吸引

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

小悠將圓形磁鐵的N極和環形磁鐵的S極互相靠近後,他會發現什麼現象?

兩者互相排斥

兩者互相吸引

圓形磁鐵的磁力消失

環形磁鐵的S極變成N極

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