
8上自然習作ch5
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
林 炳弘
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在未定刻度的酒精溫度計上刻劃攝氏溫標時,發現水的冰點(0℃)和沸點(100℃)之間,酒精柱高度差為20公分,則每1℃應刻劃多少公分?
0.2
0.5
1
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小明身體不舒服,拿溫度計測量體溫,結果溫度計上顯示為攝氏38度,此溫度相當於華氏幾度?
95.5
98.4
100.4
102.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小藍想利用氣溫計測量氣溫,下列何種操作方式所量得的氣溫較為準確?
手持氣溫計頂端,站在陽光下測量
手持氣溫計底部,站在陽光下測量
手持氣溫計頂端,站在陰影處測量
手持氣溫計底部,站在陰影處測量
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以相同的穩定熱源分別加熱質量為100公克的水與A物體,溫度變化如附表所示,若熱能皆被完全吸收,請問20分鐘後,A物體吸收多少卡的熱量?
2000
4000
6000
無法計算
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲、乙兩個物體的比熱與初溫如附表所示,當甲和乙接觸時,會產生什麼現象?為什麼?
熱能由甲流向乙,因為甲物體所含熱量比乙物體多
熱能由甲流向乙,因為甲物體的比熱比乙物體大
熱能由甲流向乙,因為甲物體的溫度比乙物體高
熱能由乙流向甲,因為乙物體較甲物體容易降溫
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種現象或反應會釋放出能量?
木炭燃燒
冰熔化
酒精蒸發
植物行光合作用
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
沙漠地區的日夜溫差大,這是因為下列何項原因?
地表覆蓋的沙子為固體,不易引起空氣的熱對流
沙漠地區面積廣大,熱能不易傳導
地表覆蓋的沙子比熱較小
沙漠地區都是緯度較高的地區
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