Question

When something is frozen does it increase or decrease in density?

Answer 1

Depends on what is freezing. Generally it increases density.

Step-by-step explanation:

water when frozen has a lower density. but generally freezing increases density because it packs the molecules tighter

Answer 2

Water expands when it freezes making it less dense than the water from which it freezes. In fact, its volume is a little over 9% greater (or density ca.