四年级科学第一课
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Medium
ONG Moe
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪个条形统计图显示各种鱼的存活概率?
2.
MULTIPLE CHOICE QUESTION
30 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反应性变数。
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
3.
MULTIPLE CHOICE QUESTION
30 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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
运用视觉、嗅觉、触觉、听觉和味觉来了解事物。
分类
观察
预测
沟通
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
运用观察和已有知识来预测将要发生的事
分类
假设
预测
推断
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
实验中必须保持不变的事项。
固定性变数
操纵性变数
反应性变数
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
预测两个星期后蚱蜢的生长情况。
蚱蜢死了
蚱蜢的体型增加
蚱蜢蜕变成蛹
蚱蜢产下幼儿
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