Why Do We Put Salt on Icy Sidewalks? | Winter Science | SciShow Kids

The video explores why salt is used on icy sidewalks through an experiment. The teacher and Squeaks set up an experiment with two cups of water, one with salt and one without, and place them in the freezer. After observing that the salted water doesn't freeze, the teacher explains that salt lowers the freezing point of water. The video concludes by discussing the environmental impact of salt and considering alternatives like sugar or sand.

What are some potential downsides of using salt on sidewalks?

What alternative substances to salt are suggested for preventing ice formation?