
(五)期末第三單元

Quiz
•
Science
•
5th Grade
•
Medium
玟欣 李
Used 15+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在一次實驗中,Ethan 發現氧氣有幫助燃燒的特性,而線香、蠟燭可以在空氣中燃燒,由此可推論空氣中有氧氣。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在一次實驗中,Harper和Zoe正在研究雙氧水的濃度對金針菇反應速度的影響。他們發現雙氧水的濃度越高,和金針菇的反應越快,因此在進行製造氧氣的實驗時,最好使用高濃度的雙氧水。
是
否
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
燒開水時,如果Nora的瓦斯爐的火越來越小,最後熄滅了,一定是空氣中的氧氣已經用完了。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在一次實驗中,Benjamin 使用泡沫滅火器來撲滅一場小火。他了解到泡沫滅火器的滅火原理,主要是利用隔絕助燃物來滅火。
是
否
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
William將營火底部的木材抽走,讓營火漸漸熄滅,這是應用移除可燃物的原理來滅火。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
室溫下,Emma 放在桌上的蠟燭不會自己燃燒,這是因為蠟燭還沒達到燃點。
是
否
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
爸爸點燃生日蛋糕上的蠟燭,「點燃」這個動作是提供可燃物,使蠟燭燃燒。
是
否
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