
物質熱脹冷縮與相變化
Interactive Video
•
Science
•
8th Grade
•
Practice Problem
•
Hard
怡馨 黃
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
從冰箱取出的果醬罐蓋子不易打開,將其浸泡熱水後變得容易打開,這是因為什麼現象?
熱脹冷縮
化學反應
物理變化
蓋子材質變軟
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當物體受熱膨脹時,其組成粒子的變化為何?
粒子本身體積變大
粒子間的距離變大
粒子數量增加
粒子間的引力增強
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於不同材質的熱脹冷縮程度,下列敘述何者正確?
金屬比非金屬更容易熱脹冷縮。
非金屬比金屬更容易熱脹冷縮。
所有物質的熱脹冷縮程度都相同。
熱脹冷縮程度與材質無關。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在相同溫度變化下,哪種狀態的物質體積變化最明顯?
固態
液態
氣態
固態和液態相同
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
純水在攝氏0度到100度之間,體積隨溫度變化的特性為何?
溫度升高,體積持續膨脹。
溫度降低,體積持續收縮。
在攝氏4度時,體積最小,密度最大。
在攝氏0度時,體積最小,密度最大。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水的體積和密度隨溫度變化的特性為何?
A. 溫度從0°C升到4°C時,水的體積會收縮,密度會增加。
B. 溫度從0°C升到4°C時,水的體積會膨脹,密度會減少。
C. 水的密度在0°C時最大。
D. 水的體積在100°C時最小。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵軌之間留有縫隙的主要目的是什麼?
A. 為了讓火車行駛時更平穩。
B. 為了避免鐵軌因熱脹冷縮而變形損壞。
C. 為了減少鐵軌之間的摩擦力。
D. 為了方便維修和更換鐵軌。
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