试题与答案

如果你搬运庭院中的花盆,或翻动花园中的石块,常会看到一些身体略扁、长椭圆形、灰褐

题型:填空题

题目:

如果你搬运庭院中的花盆,或翻动花园中的石块,常会看到一些身体略扁、长椭圆形、灰褐色或黑色的小动物在爬动,这就是鼠妇,又叫潮虫或西瓜虫.当你搬运花盆或石块鼠妇很快就爬走了.请你对此进行了探究并回答下列问题.

(1)提出问题:当你搬开花盆看到鼠妇时,鼠妇很快就爬走了.以下据此情景提出的几个问题,哪一个不够具体、明确?______

A.鼠妇为什么会爬走呢?

B.鼠妇爬走是因为环境变明亮了吗?

C.鼠妇爬走是因为搬动花盆对它产生了刺激吗?

(2)针对问题B你作出的假设是______.

(3)针对你的假设,设计探究实验中的变量是_______,因此,要给鼠妇提供______和______两种环境以便对照.

(4)做完实验后,你怎样处理鼠妇?______.

答案:

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