110自然五下實驗設計隨堂
Quiz
•
Chemistry
•
5th Grade
•
Practice Problem
•
Medium
李政導 李政導
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
歐弟進行「鋼棉生鏽」實驗,假設「空氣」會影響鋼棉生鏽時,鋼棉大小、放置地點等都要維持一樣,稱為控制變因。
2.
MULTIPLE CHOICE QUESTION
1 min • 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。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
進行「鋼棉生鏽」實驗時,實驗組是沾醋的鋼棉,對照組是沒有沾醋的鋼棉,則操作變因是「酸性物質」。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
進行「鋼棉生鏽」實驗時,想知道空氣是否會影響生鏽,要先將實驗組和對照組的鋼棉剪成不一樣的大小再進行實驗。
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
腳踏車的鏈條塗上油後,比較不容易生鏽。
6.
MULTIPLE CHOICE QUESTION
1 min • 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。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
進行實驗設計時,要設置實驗組和照相組。
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