
翰林 五下 自然 單元二
Quiz
•
Science
•
5th Grade
•
Practice Problem
•
Medium
Yu Chang
Used 3+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將燃燒中的蠟燭用廣口瓶蓋住,一段時間後,蠟燭熄滅了。這是因為去除了哪一項燃燒要素而導致蠟燭無法繼續燃燒?
助燃物
可燃物
溫度
水分
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
取一些澄清石灰水倒入空瓶中,充分搖晃過後,觀察澄清石灰水的變化。下列哪一個敘述正確?
搖晃瓶子是為了讓澄清石灰水和瓶中氣體充分混合
澄清石灰水沒有變化,表示瓶中沒有任何氣體
澄清石灰水可用來檢驗氧氣的存在
如果空瓶充滿空氣,表示空瓶中只有一種氣體
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個關於空氣組成的敘述是正確的?
空氣是單一的物質
空氣中只有氮氣和氧氣兩種氣體
空氣是多種氣體的混合物,且組成比例是固定的
空氣是多種氣體的混合物,組成比例會隨氣候、地點等因素而有些微變動
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人為排放的過量溫室氣體,可能會使地球的氣溫愈來愈熱,使氣候出現異常,這種現象稱為
全球氣化
全球凍化
全球暖化
全球熱化
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者是操作滅火器的口訣?
提、拉、握、掃
壓、掃、噴、倒
拉、瞄、壓、掃
拉、瞄、推、掃
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小強和小珍分別在廣口瓶中裝入某種氣體,小強將燃燒中的線香放入瓶中,線香會立即熄滅;小珍將燃燒中的線香放入瓶中,線香會燃燒得更旺盛。下列哪一個敘述正確?
小強的廣口瓶中可能是裝氧氣
小珍的廣口瓶中可能是裝二氧化碳
將澄清的石灰水倒入小強的廣口瓶中,石灰水可能會變混濁
將點燃的蠟燭放入小珍的廣口瓶中,蠟燭可能會立刻熄滅
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
發生火災時,下列哪一個逃生方法錯誤?
如困於室內,應選擇相對安全處等待救援
沿著牆壁,採取低姿勢快速逃離火場
使用滅火器滅火
搭乘電梯逃生
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