初中物理的实验题中 比如用压强计测液体压强的实验 结论应该写 液体压强与xxx有关 还是

写液体压强随XXX增大而增大 啊
2025-03-15 14:41:22
推荐回答(4个)
回答1:

实验结论的描述要注意两方面:其一,根据实验目的来确定要回答是谁跟谁的关系;其二,根据实验数据确定是什么关系。如果用到了控制变量法,在叙述上还要体现控制变量。
比如用压强计测液体压强的实验:就可以回答液体压强随深度的增加而增大,根据实验目的要求,如果数据足够的话,还可以进一步回答:在同种液体中,液体压强与深度成正比。

回答2:

结论就是他要验证的东西,如他研究的目的是为了证明与XXX有关就写这个,他研究的是增大就写增大,这样老师绝对不会扣你的分

回答3:

看实验内容,是定量实验,还是定性实验。
比如用压强计测液体压强的实验是定性实验,并没有测压强值,所以只能够写液体压强随深度增大而增大;液体压强随液体密度增大而增大。

回答4:

你可以用公式推导啊,这个是最方便的也很容易想到,比如液体压强P=ρgh。如果密度不同,gh相同,那就是:液体密度越大压强越大。以此类推~
希望对你有用噢=w=

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