五年级科学:科学程序技能

Quiz
•
Science
•
5th Grade
•
Medium
LIM Moe
Used 171+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果连续三个月不为仙人掌浇水,会发生什么情况?
仙人掌会枯萎
仙人掌会开花
仙人掌的根会腐烂
仙人掌的叶子会掉落
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
运动越剧烈,流汗越多。
根据以上的假设,以下哪项是以上假设的操纵性变数。
运动的时间
流汗的多少
流汗和运动的关系
运动的剧烈程度
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据以上资料进行试验,可作出什么假设?
糖的粗细
糖完全溶解所需的时间
糖越细,糖完全溶解所需的时间越短。
为了研究糖的粗细与糖完全溶解所需的时间之间的关系。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据以上资料进行试验,可作出什么操纵性变数?
糖的粗细
糖完全溶解所需的时间
糖越细,糖完全溶解所需的时间越短。
为了研究糖的粗细与糖完全溶解所需的时间之间的关系。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
科学程序技能里一共有多少种变数?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是不正确的的操纵性技能?
实验后,我把动物标本放回大自然。
实验后,我正确及安全地存放科学用具。
我随意画出标本、科学用具和材料。
我用正确的方法清洗科学用具。
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