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Use this for questions related to the solid phase of Water ($\mathrm{H_2O}$).

42 votes

Does the sea level increase if an iceberg melts?

As noted in Rodrigo's answer, when sea ice melts there is no change in the water level, and if the ice is made from fresh water then there will be a small change due to the mismatch in densities. … However, that ignores the fact that there is a huge quantity of ice in ice caps and glaciers over land, and if that ice melts then it will contribute to a rise in sea levels. …
Emilio Pisanty's user avatar
29 votes
Accepted

Why does ice make such peculiar sounds?

This can be caused by the material properties of the medium, and it can also occur if the sound wave is confined in some kind of waveguide (like a hole or a sheet of ice). … created (recorded) that sound by recording the guy wire of a tower when he tapped it with a spanner: Image source Under tension, the transverse waves have exactly the same dispersion as the ice
Emilio Pisanty's user avatar