
6-5浮力
Authored by 葉 進坤
Science
8th Grade
Used 17+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
雞蛋放入水中即沉入桶底,如A圖;今在水中加入食鹽後,雞蛋浮出水面,如B圖。則雞蛋、鹽水和水的密度比較,下列何者正確?
鹽水>雞蛋>水
鹽水>水>雞蛋
水>鹽水>雞蛋
水>雞蛋>鹽水
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個物體所受的浮力大於物體本身的重量?
靜止在水面的船
沉入水中的寶藏盒
正加速上升的天燈
靜止在地面的氣球
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一個物體所受的浮力等於物體本身的重量?
靜止在水面的船
沉入水中的寶藏盒
正加速上升的天燈
靜止在地面的氣球
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
100克重的保麗龍跟300克重的木塊都浮在水面上,請問何者受到的浮力比較大?
100克重的保麗龍
300克重的木塊
一樣大
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將兩個一樣重的蘋果和水梨一起浸入鹽水中,此時蘋果浮在水面上,而水梨則沉入水中,請問蘋果和水梨何者所受的浮力較大?
蘋果
水梨
兩者相等
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
兩艘一模一樣的船,甲為空船,乙載滿了乘客,兩船皆浮在水上,則所受的浮力以何者較大?
甲
乙
一樣大
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將冰塊放入裝有水與沙拉油的杯子中時,結果如圖所示,請問沙拉油、冰及水的密度關係應為?
沙拉油>冰>水
水>冰>沙拉油
冰>水>沙拉油
沙拉油>水>冰
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