![Diagram of water molecules in ice, liquid and vapor.](http://static.sciencelearn.org.nz/images/images/000/000/658/full/Water_in_its_three_states_of_matter_v2.jpg?1674164678)
Water behaves differently to most other substances because, in its solid state (ice), its particles are less densely packed than in its liquid state. This is why ice floats.
Water behaves differently to most other substances because, in its solid state (ice), its particles are less densely packed than in its liquid state. This is why ice floats.