万科V-learn父母学院-小西妈双语工程1706期217号kevin20171230打卡

Listening: peppa pig

Video: Curious Geroge

Reading: Curious Geroge

Experiment:  Put salt on ice to see if salt can melt ice faster as Ice lowers the freezing/melting point of water

图片发自App

Look, the one with salt has more water

图片发自App

Ice forms when the­ temperature of water reaches 0 degrees Celsius. When you add salt, that temperature rops: A 10-percent salt solution freezes at -6 C, and a 20-percent solution freezes at -16 C.

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