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?
12-5 浮力

Quiz
•
Physics
•
8th Grade
•
Medium
紀 則賢
Used 63+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
鹽水>雞蛋>水
鹽水>水>雞蛋
水>鹽水>雞蛋
水>雞蛋>鹽水
2.
MULTIPLE SELECT QUESTION
30 sec • 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 SELECT QUESTION
30 sec • 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 SELECT QUESTION
30 sec • 1 pt
100克重的保麗龍跟300克重的木塊浮在水面上,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 SELECT QUESTION
30 sec • 1 pt
小宇可輕易的躺在死海上而不會沉入水中,其原因為何?
死海的水是不流動的
人在死海的浮力大於人的重量
人在死海所受的浮力等於人的重量
小宇的泳技高超
6.
MULTIPLE SELECT QUESTION
30 sec • 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
7.
MULTIPLE SELECT QUESTION
30 sec • 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
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