燃燒和生鏽
Quiz
•
Science
•
5th Grade
•
Practice Problem
•
Medium
張純芳 張純芳
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
用廣口瓶逐漸往下罩住燃燒中的蠟燭,蠟燭的火焰會逐漸變小;如果這時候把廣口瓶拿開,會有什麼變化?
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
下列哪一項不是預防火災的正確方法?
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
關於鐵生鏽的敘述,下列哪一項是正確的?
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
下列哪一種方法可以使罩在廣口瓶內的燭火繼續燃燒?
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
火災時,消防隊噴灑水柱滅火,主要是利用什麼原理來撲滅火災?
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
「將點燃的線香伸入充滿氧氣的廣口瓶中,結果線香劇烈燃燒」,這個現象可以說明氧氣的什麼特性?
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
相同的刀子,下列哪一種使用方式最容易生鏽?
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