四年级科学练习8(科学程序技能)
Quiz
•
Science
•
4th Grade
•
Medium
LIEW Moe
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
变数有多少种?
两种
三种
四种
五种
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在实验中,如果要找出固定性变数,可以在问题中找出什么字眼?
观察、测量
实验后
一样、相同
不一样、不相同
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在实验中,如果要找出操纵性变数,可以在问题中找出什么字眼?
观察
测量
一样、相同
不一样、不相同
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在实验中,如果要找出反应性变数,可以在问题中找出什么字眼?
观察、测量
一样、相同
不一样、不相同
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上显示哪项操纵性技能?
正确的绘画标本、科学用具和材料
正确和小心地处理标本
正确地使用和处理科学用具和材料
用正确的方式清洗科学用具
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
实验中必须改变的事项。
反应性变数
操纵性变数
固定性变数
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