
四年级科学 (期考2)
Authored by Christine Tan
Science
4th Grade
Used 1+ times

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100 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
你运用什么感觉器官来观察P植物和Q植物的成长?
触觉
视觉
味觉
嗅觉
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
根据上图,水的体积是多少?
52 ml
54 ml
52 l
53 ml
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个条形统计图显示各种鱼的存活概率?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
一组学生进行P实验时,运用了 "测量和应用数目"这个技能。以下哪项可代表P实验?
验证电路中的干电池能够使多少个灯泡发亮。
确定某种植物是否能够用切茎的方法来繁殖。
测量食盐在不同体积的水中溶解所需的时间。
确定哪些物体是电的绝缘体,哪些是电导体。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
根据叶脉的种类,以下哪组分类是正确的?
K:竹 , L: 橡胶树
K:玉蜀黍 , L: 天堂鸟
K: 牵牛花 , L: 椰树
K:橡胶树 , L: 向日葵
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
根据上表,你可如何为酸性物质的性质下操作性定义?
酸性物质能改变石蕊试纸的颜色
石蕊试纸可以用来检测物质的性质
酸性物质能使蓝色石蕊试纸变成红色
酸性物质的性质和碱性物质的性质不一样
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
运动越剧烈,流汗越多。
根据以上的假设,以下哪项是以上假设的操纵性变数。
运动的时间
流汗的多少
流汗和运动的关系
运动的剧烈程度
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