112學年 翰林五年級下期末 自然 第三單元
Quiz
•
Science
•
5th Grade
•
Practice Problem
•
Medium
Yu Chang
Used 6+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
進行操作變因的實驗組別是對照組。
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵釘放進水裡可以防鏽。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
其他條件相同下,浸過水的鋼棉比乾燥的鋼棉表面更容易產生紅棕色的易碎物質。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電鍍技術是在鐵製品表面鍍上一層保護膜,可有效的防止鐵製品生鏽。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
進行「鋼棉生鏽」實驗時,想知道水分會不會影響鋼棉生鏽,操作變因是鋼棉大小。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空氣、水分和酸性水溶液都是影響鐵製品生鏽的因素。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
生活中常會發現一些生鏽的鐵製品,例如:鐵欄杆、鐵門等。
O
X
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