Question 1
1 mark在固體、液體和氣體三種物質狀態中，哪一種狀態的物質沒有固定的形狀，但有固定的體積？
Pre-Secondary One Hong Kong Attainment Test · General Studies / STEM
States of matter (solid, liquid, gas): Practice Questions
3 multiple-choice questions marked as you go, and 3 written questions with worked solutions. All on States of matter (solid, liquid, gas).
6 questions13 marksFree, no account
Question 2
1 mark當水從液體受熱變成氣體（水蒸氣）時，這個過程稱之為什麼？
Question 3
1 mark小明在實驗中觀察到，將冰塊放入密封的燒瓶並加熱，冰塊先化成水，最後變成水蒸氣。在這個過程中，水分子的排列和運動發生了什麼變化？
Question 4
2 marks將冰塊加熱至融化成水的過程中，物質的狀態發生了什麼變化？
Write your answer out first, then check it against the worked solution.
Question 5
5 marks在標準大氣壓下，水加熱到 \(100^{\circ}C\) 沸騰時，繼續加熱但溫度保持不變，這能量被用於什麼用途？
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Question 6
3 marks水在自然界中以固體、液體和氣體三種狀態存在。請回答下列問題：
(a) 當冰塊受熱變成水的過程中，物質的狀態發生了什麼變化？這過程稱為什麼？
(b) 晾在室外的濕衣服會變乾，是因為水分變成了什麼？這屬於哪種物質狀態？
(c) 試列舉一個日常生活中，氣體變成液體的現象。
Write your answer out first, then check it against the worked solution.
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