We've had a few hairy mornings on the road, and have seen salt being thrown on the yard! Why? we ask. So... we did some experiments.
- We got 4 bowls for 4 ice cubes.
- We sprinkled something different on each ice-cube, and left the last one as it was (that's our control, we must work like real scientists!) There was: Baking powder, Salt, and Sugar.
- We waited a while to see what happened. See the pictures!
After half an hour, we could see that the one with salt on it had melted completely! This is why we put salt on the yard- to melt the ice quickly, so no-one will fall!