
111-1國二三段翰林習作複習
Authored by 唐碩振 唐碩振
Science
8th Grade
Used 12+ times

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66 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小景想測量一種溫度範圍約在-10℃至85℃的液體,但手邊沒有現成的溫度計,選用下列何種物質自製溫度計較合適?
水
水銀
酒精
水銀和酒精
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
阿葛在自製溫度計的過程中,在玻璃管的後方貼一張白紙,將溫度計分別泡入在0℃的冷水與50℃的熱水,且在白紙上分別畫出兩條線,在兩線之間我們只能勉強再分成10等分,也就是每一格代表5℃。今天我們若要提高自製溫度計的精準度,就是讓每一格代表 1℃,我們該使用何種方法?
使用較細的玻璃管
瓶內的液體換成較不容易膨脹的液體
將瓶內的液體裝少一點
改變溫度計泡入冷熱水的溫度
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10℃的水與50℃的水混合時,在熱平衡的過程,分別是放熱還是吸熱?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將質量均為20公克,溫度分別為10℃與50℃的兩杯水混合在一起時,兩杯水混合後的平衡溫度會在落在哪個範圍?
0~10℃
10~50℃
50~80℃
80~100℃
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
達爾取質量100公克、溫度20℃的水、銅、銀和鉛四種物質,其比熱值如表所示。若以穩定供應的熱源分別加熱,則哪一種物質的溫度最先到達 80℃?
水
銅
銀
鉛
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
從冰箱冷凍室取出的冰塊,周圍常會出現白煙,主要是因為何種原因所造成?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列關於熱的敘述,何者正確?
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