
自然五下4-1
Authored by 李政導 李政導
Chemistry
5th Grade
Used 14+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
鐵製品生鏽是從表面開始的。
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
進行「鋼棉生鏽」實驗時,實驗組是接觸空氣的鋼棉,對照組是減少接觸空氣的鋼棉,則操作變因是「空氣」對生鏽情形的影響。
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
將鐵製衣架包覆一層塑膠皮,可以防止和空氣的接觸,比較不容易生鏽。
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
進行「鋼棉生鏽」實驗時,會發現乾燥鋼棉的生鏽速度比浸過水的鋼棉快。
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
將菜刀浸泡在水中,可以減緩生鏽的速度。
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
進行實驗設計時,要設置實驗組和照相組。
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在其他條件相同下,沾水的鋼棉會比乾燥的鋼棉較快生鏽。
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