
LIS空氣與燃燒
Interactive Video
•
Science
•
5th Grade
•
Practice Problem
•
Hard
Hui M
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
探險隊找到的地圖所使用的特殊顏料有什麼特性?
遇光變色
遇熱變色
遇水變色
遇冷變色
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼蠟燭被玻璃杯蓋住後不久就熄滅了?
玻璃杯太冷了
蠟燭的蠟用完了
杯子裡的氧氣被用完了
玻璃杯擋住了光線
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當燃燒中的蠟燭被玻璃杯蓋住時,火焰會如何變化?
立刻熄滅
變得更大
先變小然後熄滅
保持不變
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
蠟燭被玻璃杯蓋住後會熄滅,主要原因是什麼?
玻璃杯阻擋了熱量散發
玻璃杯內部的二氧化碳濃度過高
玻璃杯內的氧氣被消耗殆盡
玻璃杯阻擋了燭芯的燃料供應
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
空氣中哪種成分可以幫助燃燒?
二氧化碳
氮氣
氧氣
水蒸氣
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
能夠幫助其他物質燃燒的物質稱為什麼?
可燃物
助燃物
滅火劑
催化劑
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
烤肉架側面通常會有孔洞設計,主要目的是什麼?
方便排出多餘的熱量
讓木炭更容易掉出
提供足夠的氧氣幫助燃燒
增加烤肉架的美觀性
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