4年级科学练习 (第一课 - 科学技能)
Quiz
•
Science
•
1st - 5th Grade
•
Practice Problem
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Medium
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
请问图片中所用的科学程式技能是什么?
分类
测量
沟通
观察
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
请问图片中所用的科学程序技能是什么?
观察
分类
沟通
推断
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
磁铁的磁力越强,所能吸引的回形针的数量越多
以上的说明说代表的科学程序技能是什么?
假设
观察
诠释资料
控制变数
4.
FILL IN THE BLANK QUESTION
5 mins • 4 pts
在一个实验中,小李要测试冰块在不同温度的水里融化的速度。
他的脑海里浮现了一个问题,“为什么同样大小的冰块,完全融合的时间不同?”
根据这个问题,小李在进行什么?
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
根据图片的观察结果,这个实验的固定性变数可能是什么?
杯子的种类
10分钟后,饮料的温度
杯子的颜色
杯子的大小
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
根据图片的观察结果,这个实验的操纵性变数是什么?
杯子的大小
杯子的颜色
杯子的种类
10分钟后,饮料的温度
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
根据图片的观察结果,这个实验的反应性变数是什么?
10分钟后,饮料的温度
杯子的种类
杯子的大小
杯子的颜色
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