
111-2-期中考複習
Authored by 張純芳 張純芳
Science
5th Grade
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一種方法可以用來檢驗鐵生鏽時,是不是消耗廣口瓶內的氧氣?
將澄清石灰水通入廣口瓶中,觀察石灰水變色情形
將點燃的線香伸入廣口瓶中,觀察線香燃燒的情形
將鋼絲絨球塗上油漆,觀察鋼絲絨球的變化
在廣口瓶中裝滿水,觀察水位的變化。
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
點燃三支大小相同的蠟燭,分別蓋上大、中、小三個不同容量的廣口瓶。請問哪一個廣口瓶內的燭火會最快熄滅?
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一種方法無法得知某顆星星在特定時刻的高度角?
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
冬季大三角不包括哪一顆星星?
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列有關燃燒的敘述,哪一項是正確的?
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
發生森林火災時,消防人員有時會將林木或雜草移除,開闢防火線,主要的目的是什麼?
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列哪一項不是預防火災的正確方法?
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