
109六下自然L3(2)
Quiz
•
Science
•
6th Grade
•
Practice Problem
•
Medium
葉志宏 葉志宏
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿華將以下各種物質塗抹在鐵釘上,何者會使鐵釘最快生鏽?
油
醋
水
什麼都不塗抹
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪一個地方的鐵製品最不容易生鏽?
操場上的鐵絲網
公園裡的秋千
真空罐中的迴紋針
書桌上的鐵鉛筆盒
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
操作「水與酸性水溶液對鋼棉生鏽的影響」實驗時,什麼因素必須保持相同?
鋼棉的大小
浸泡液體的種類
實驗者的衣服顏色
觀察實驗的人數
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
有關鐵製品生鏽的敘述,哪些錯誤?
生鏽的鐵製品上會產生一些藍色物質
生鏽的鐵製品摸起來粗粗的
造成鐵製品生鏽的原因為空氣和水
生鏽不會縮短鐵製品的使用期限
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果要驗證「水與酸性水溶液對鋼棉生鏽的影響」,哪一項因素必須改變?
鋼棉的大小
容器的大小
一團鋼棉浸水,另一團鋼棉浸酸性水溶液
實驗時間的長短
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
如果要驗證「水與酸性水溶液對鋼棉生鏽的影響」,“哪些”因素保持不變?
鋼棉的大小
容器的大小
一團鋼棉浸水,另一團鋼棉浸酸性水溶液
實驗時間的長短
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在鐵製品表面塗上油漆的主要目的為何?
減少鐵製品與空氣和水接觸
增加重量
為了美觀
增加生鏽的機會
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