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科学B组练习(二)
:: SAINS SJKC (科学) :: 科学练习库 :: 六年级科学练习库
Page 1 of 1
科学B组练习(二)
题目一
(a)运来进行这项实验的目的是什么?
(b)在这项实验中,必须被鉴定的两个变数是什么?
(i)__________________________
(ii)__________________________
(c)如果运来用滑轮Y来拉起50kg的箱子,试预测他所需用的力。
(d)写出进行上述实验中的固定性变数。
(e)写出这项实验的结论。
-----------将答案写入Reply Post里------------------
(a)运来进行这项实验的目的是什么?
(b)在这项实验中,必须被鉴定的两个变数是什么?
(i)__________________________
(ii)__________________________
(c)如果运来用滑轮Y来拉起50kg的箱子,试预测他所需用的力。
(d)写出进行上述实验中的固定性变数。
(e)写出这项实验的结论。
-----------将答案写入Reply Post里------------------
:: SAINS SJKC (科学) :: 科学练习库 :: 六年级科学练习库
Page 1 of 1
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