科学程序技能
Quiz
•
Science
•
1st Grade - University
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
晓芬运用了哪些科学程序技能来绘制的树形图?
分类和沟通
分类和推断
假设和推断
假设和沟通
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据图5,哪个是操纵性变数?
水的体积
量筒的种类
铁钉的体积
植物油
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
步骤 X 和步骤 Y 是什么?
验证假设,列出精确解释法
列出变数, 列出精确解释法
验证假设, 列出变数
列出变数和精确解释法, 验证假设
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪些可以是“植物的成长”的精确解释法?
I 叶子的数量
II 植物的高度
III 土壤的种类
IV 植物的种类
I 和 II
I 和 III
II 和 III
II 和 IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是实验中的最后一个步骤?
确认问题
作出假设
作出结论
记录观察结果
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
毛巾被晾晒的时间越长,质量越轻
这项实验的反应性变数是什么?
毛巾被晒的时间
毛巾的种类
毛巾的质量
毛巾的数量
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
X - 纸条的吸水能力
Y –纸条的面积、纸条的厚度
Z –纸条的种类
X、 Y 和 Z分别代表什么变数?
X 固定性变数、 Y 操纵性变数、 Z 反应性变数
X 操纵性变数、 Y 固定性变数、 Z 操纵性变数
X 操纵性变数、 Y 反应性变数、 Z 固定性变数
X 反应性变数、 Y 操纵性变数、 Z 固定性变数
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