小四常識奇妙的空氣
Quiz
•
Social Studies
•
4th Grade
•
Medium
CHING FOK
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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪項不是光合作用需要的元素?
葉綠素
陽光
水分
氧
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
為甚麼植物的生長需要陽光?
製造養分
吸收紫外線
幫助呼收
吸收更多水分
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪種氣體佔空氣約五分之四?
氮
二氧化碳
氧
水蒸氣
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在進行碘液測試時,受到陽光照射的葉會變成甚麼顏色?
綠色
白色
紅色
深藍色
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪項不是空氣的特性?
沒有顏色
沒有氣味
有固定的形狀
佔有空間
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
人類吸入空氣中甚麼氣體以維持生命?
二氧化碳
氮
氧
氫
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪項不是風形成的過程?
空氣受熱
熱空氣上升
熱空氣流向較冷的地方
冷空氣流向較熱的地方
8.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
風力發電的原理是以風推動發電機的哪個部分產生動力?
主軸
變速箱
車葉
發電站
9.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
糖會以甚麼的形式儲存在植物內?
油
氧
澱粉
二氧化碳
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