
康軒自然三上 L2-1 磁鐵的特性

Quiz
•
Other
•
3rd Grade
•
Medium

李 桂玲
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
長條形磁鐵的中間部分磁力如何?
(1)最大
(2)不強不弱
(3)最小
(4)不一定。
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
長條形磁鐵的哪一個部位磁力最大?
(1)兩端
(2)中間
(3)磁鐵的任何部位磁力大小都一樣
(4)不一定。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物體受力後會造成物體的變化,下列哪種受力後的變化情形,和其他三者不同?
(1)拔河
(2)踢球
(3)投籃球
(4)摺紙飛機。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列是4個不同磁鐵能吸起的最大迴紋針數量,請問哪一個磁鐵的磁力最大?
(1)甲磁鐵:3支
(2)乙磁鐵:4支
(3)丙磁鐵:5支
(4)丁磁鐵:6支。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小孟用長條形磁鐵吸下列物品:鐵粉、原子筆、鐵罐、塑膠尺、釘書針,可以被吸引的物品總共有幾種?
(1)2種
(2)3種
(3)4種
(4)種。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用一塊長條形磁鐵隔著透明塑膠袋去吸引鐵粉,會有什麼現象?
(1)鐵粉都沒有被吸引
(2)鐵粉都集中在磁鐵兩端
(3)鐵粉平均分布在磁鐵上
(4)鐵粉都集中在磁鐵的中間。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
怎樣可以知道一個磁鐵的磁力大小?
(1)比較吸住物體的種類
(2)比較吸住物體的重量
(3)比較吸住物體的大小
(4)比較吸住物體的價格。
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