科学常识比赛《磁铁》
Authored by WONG YONG SENG
Other Sciences
KG - 12th Grade
Used 50+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请选出正确答案。
U 形磁铁
马蹄形磁铁
条形磁铁
环形磁铁
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请选出正确答案。
U 形磁铁
马蹄形磁铁
条形磁铁
环形磁铁
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当磁铁异极互相靠近时就会________.
相斥
相拉
相吸
相推
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当磁铁同极互相靠近时就会________.
相斥
相排
相吸
相拉
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
每块磁铁都有两个磁极， N叫____ ,
S叫___.
东极，西极
北极， 南极
南极，东极
南极，北极
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁铁能吸引的磁性物体越多，表示磁力越强。
对
错
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁力的强弱与磁铁的大小有极大的关系。
对
错
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