实验中必须保持不变的事项。
控制变数

Quiz
•
Science
•
3rd - 6th Grade
•
Hard
ONG Moe
Used 96+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
固定性变数
操纵性变数
反应性变数
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
实验中必须测量和观察的事项。
固定性变数
操纵性变数
反应性变数
3.
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
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出操纵性变数
行星的种类
行星与太阳的距离
行星的表面温度
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出反应性变数
行星的种类
行星与太阳的距离
行星的表面温度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出固定性变数
钟摆的重量
线的长度
钟摆在30秒内摆动的次数
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出反应性变数
力度
线的长度
钟摆在30秒内摆动的次数
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