David在實驗室裡使用馬蹄形磁鐵和圓形磁鐵進行磁力測試。他認為馬蹄形磁鐵的磁力一定比圓形磁鐵的磁力強。

(三)期末第四單元

Quiz
•
Science
•
3rd Grade
•
Medium
玟欣 李
Used 22+ times
FREE Resource
29 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當Liam用錘子敲擊磁鐵或將其放在高溫環境中時,磁力容易受到影響。
是
否
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在學校的自然教室裡,Nora 和 Aiden 發現兩個磁鐵長期互相排斥時,磁力會減弱。為了保存這些磁鐵,他們決定將不同極的磁鐵相吸、緊靠在一起。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Abigail在學校的自然課上學到,磁鐵的大小與磁力強弱沒有關係。
是
否
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Isla認為指北針的指針是一般的鐵做成的,所以沒有磁性。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Benjamin 發現包了塑膠膜的鐵片無法被磁鐵吸附。
是
否
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
查理認為磁鐵可以吸附在冰箱門上,可能是因為冰箱門含有鐵的成分。
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