四年级科学第二课人类
Quiz
•
Science
•
1st - 12th Grade
•
Medium
PHOON Moe
Used 15+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
P器官是( ),从P器官排出的排泄物是汗。
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Q器官是( ),从P器官排出的排泄物是尿液。
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
运动的剧烈程度和流汗的多少有关系吗?
如果要根据以上的疑问进行实验,可做出什么假设?
运动越剧烈,流的汗就越少。
运动的剧烈程度跟流汗的多少没有关系
运动越剧烈,流的汗就越多
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
运动越剧烈,流的汗就越多。这项假设的操纵性变数是什么?
运动的时间
流汗的多少
运动的剧烈程度
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
某个学生改变饮食习惯,多吃蔬菜和水果后,排遗困难的问题就解决了。根据以上情况, 写出一个推断。
蔬菜和水果含有很多的蛋白质。
蔬菜和水果含有很多淀粉。
蔬菜和水果含有很多盐分。
蔬菜和水果含有很多膳食纤维。
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
进行的活动越剧烈,呼吸率就越( )。
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
进行的活动越剧烈,呼吸率就越高。写出这项假设中的反应性变数。
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