
磁鐵知識挑戰
Quiz
•
Physical Ed
•
3rd Grade
•
Practice Problem
•
Easy
周 献智
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵的兩個極分別是什麼?
A極和B極
前極和後極
上極和下極
N極和S極
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵可以吸引哪些金屬?
鐵、鎳、鈷
鋼
銅
鋁
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵的特性之一是什麼?
能夠吸引所有金屬
能夠發光
具有磁場的顏色
吸引鐵磁材料的能力
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵可以用來做什麼?
磁鐵可以用來種植植物
磁鐵可以用來製作食物
磁鐵可以用來清潔房間
磁鐵可以用來吸引鐵製品和製作各種雌性設備
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果把磁鐵切成兩半,會發生什麼事?
其中一個磁鐵會失去磁性
每一半都會成為一個新的磁鐵,擁有N極和S極。
磁鐵會失去所有的磁性
切割後只會有一個磁極
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
磁鐵在生活中有哪些常見用途?
磁鐵是電池的主要成分
磁鐵的常見用途包括冰箱貼、磁性掛勾、門禁磁卡......等。
磁鐵用於製作食物
磁鐵可以用來清潔地板
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何測試一個物體是否是磁鐵?
將物體放在水中觀察浮沉
將物體靠近磁鐵或使用鐵屑測試。
用手觸摸物體感受溫度
將物體放在陽光下觀察顏色變化
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