Be careful not to mix any of the salty ice water with your ice cream as you get it out of the bag. Science in your world In freezing weather, lorries are sent out to spread salt on the roads and ...

When the ice cream melts, the liquid ice cream fills up the air pockets. When it refreezes, there are fewer air pockets, so the ice cream is less airy and fluffy. The other reason is that when the ice ...