
6上自然4-1指北針與地磁
Authored by Anonymous Anonymous
Biology
6th Grade
Used 1+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁力線的範圍是指磁鐵的磁力作用範圍。
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
從磁鐵的 N 極到 S 極有一條真實的路徑是可以肉眼見到的,稱為磁力線。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
地球的內部就像是一個大磁鐵,地磁 N 極在北方,地磁 S 極在南方。
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將長形磁鐵懸空平穩吊掛起來,磁鐵靜止時指向和指北針的指向不相同。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把長條形磁鐵平放在桌上靜置一段時間後,長條形磁鐵 N 極會指向北方。
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
指北針在不受干擾且靜止的狀態下,會一直指向南北方向。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
異極相吸、同極相斥的原理不適用在指北針和磁鐵之間。
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