T*******r
发帖数: 267 | 1 【 以下文字转载自 WaterWorld 讨论区 】
发信人: ToBeNicer (Good), 信区: WaterWorld
标 题: help needed for a 5th grade science problem
发信站: BBS 未名空间站 (Sat Aug 25 16:56:38 2012, 美东)
Suppose you want to find out the temperature at which different kinds of
liquid freeze. What do you need in order to perform the experiment? What's
the variable in this experiment? | a****y
发帖数: 1035 | 2 thermometer, heater/frige.
variable: temperature
【在 T*******r 的大作中提到】
: 【 以下文字转载自 WaterWorld 讨论区 】
: 发信人: ToBeNicer (Good), 信区: WaterWorld
: 标 题: help needed for a 5th grade science problem
: 发信站: BBS 未名空间站 (Sat Aug 25 16:56:38 2012, 美东)
: Suppose you want to find out the temperature at which different kinds of
: liquid freeze. What do you need in order to perform the experiment? What's
: the variable in this experiment?
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