• Question: Why do we put salt on sidewalks when it snows?

    Asked by meg123 to Amy, Karen, Sarah, Vijay, Will on 19 Jun 2012.
    • Photo: Sarah Martin

      Sarah Martin answered on 19 Jun 2012:

      Hi meg!

      You can try this as an experiment: make one set of ice cubes with normal water, and one set of ice cubes with salty water, and see which one freezes! Would you try that for me and report back in a comment?
      We can then talk about what happened and why!

      🙂 Sarah

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