四年级科学(上半年复习)
Quiz
•
Science
•
7th - 12th Grade
•
Practice Problem
•
Hard
TAN Moe
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
上图显示一项有关物质的密度的实验。
他们应用了哪项科学程序技能?
观察和分类
观察和推断
预测和沟通
假设和沟通
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
上图显示一项实验的结果。
这项实验的操纵性变数是什么?
水的体积
水的温度
量筒的大小
玻璃弹子的数量
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上表显示一项实验结果。
根据上表,哪项有关水的温度和时间的关系的说明是正确的?
时间和水的温度都下降
时间随着水的温度而改变
水的温度因受热而产生改变
水的温度随着时间的变化而上升
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以上显示阿光在实验前作出的说明。
根据以上的说明,阿光应用了哪项科学程序技能?
推断
假设
控制变数
操作性定义
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是我们呼气时,空气的通道?
肺 → 气管 → 鼻子
鼻子 → 气管 → 肺
肺 → 鼻子 → 气管
气管 → 肺 → 鼻子
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
上表显示阿明进行三项活动的呼吸率。
预测阿明下棋时的呼吸率。
11
18
28
32
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪项是肾的排泄物?
汗
尿液
粪便
二氧化碳
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