108自然5下_燃燒與生鏽
Authored by Chen Ada
Science
5th Grade
Used 210+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
燃燒需要空氣中的什麼氣體？
氧
二氧化碳
氮
水蒸氣
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
烤肉架上會有通風孔，這個設計的目的是什麼？
讓二氧化碳離開，可幫助燃燒。
讓新鮮空氣流入，可幫助燃燒。
讓氧氣能保存在炭火之中
讓二氧化碳能保存在炭火之中
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
用廣口瓶慢慢往下遮蓋住燃燒中的蠟燭，如果指蓋住燭火，蠟燭部分留有縫隙，沒有完全遮蓋，會發生什麼事情？
燭火快速熄滅
燭火慢慢熄滅
燭火持續燃燒不熄滅
燭火有時繼續燃燒，有時一下子熄滅
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
用廣口瓶慢慢往下遮完全蓋住燃燒中的蠟燭，會發生什麼事情？
燭火快速熄滅
燭火慢慢熄滅
燭火持續燃燒不熄滅
燭火有時繼續燃燒，有時一下子熄滅
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
實驗時，製造【氧氣】的主要材料是什麼？
醋
金針菇
小蘇打粉
雙氧水
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
做完製造【氧氣】的實驗後，下列哪個方法能檢驗廣口瓶中是否有高濃度的【氧氣】？
澄清石灰水
燃燒的蠟燭
點燃的線香
用鼻子聞嗅
7.
MULTIPLE SELECT QUESTION
5 sec • 1 pt
做完製造二氧化碳的實驗後，下列哪個方法能檢驗廣口瓶中是否有【二氧化碳】？
澄清石灰水
燃燒的蠟燭
點燃的線香
用鼻子聞嗅
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