
【功课】初二科学:第2章 水的密度和压强
Quiz
•
Chemistry, Science
•
8th Grade
•
Practice Problem
•
Medium
白佩珊(古晋四中) 白佩珊(古晋四中)
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
日常生活里说的“铁比木头重”, 这句话的实际意思是_____________。
铁的密度比木头的密度大
铁的质量比木头质量大
铁的重量比木头重量大
1kg铁比1kg木头重
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
铜的密度是8.9 X 10³kg/m³ , 它的意思是_________________。
每m³铜的密度是8.9 x 10³kg
每m³铜的质量是8.9 x 10³ kg /m³
每m³铜的质量是8.9 x 10³kg
每m³铜的重量是8.9 x 10³ kg
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
物质密度的定义为_______。
密度=质量 X 体积
密度=质量/体积
密度=体积/质量
密度=质量+体积
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在密度单位中,lg/ =_________kg/ .
1000
10
100
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
测得一只苹果的质量为171g、体积为180 ,则苹果的密度为_________kg/ .
9.5
95
950
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有甲、乙、丙三种物质,它们的密度:甲为5t/m3,乙为4kg/dm3,丙为6g/cm3,则其中
甲最大
乙最大
丙最大
一样大
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小岩同学利用天平和量筒测酸奶的密度,下列操作步骤中多余的是
用天平测量空烧杯的质量
将酸奶倒入烧杯中,用天平测量烧杯和酸奶的总质量
将烧杯中的酸奶倒入量筒中一部分,测出量筒中酸奶的体积
用天平测量烧杯和剩余酸奶的总质量
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