It’s because of the air that is either dissolved into the water (ice), or that gets trapped as layers of snow build up and compress the lower layers. The air is released as the ice melts, and makes a slight hissing noise. You have to be quite close to an iceberg to hear it, as well as in calm water. It’s also why ice floats.
It’s because of the air that is either dissolved into the water (ice), or that gets trapped as layers of snow build up and compress the lower layers. The air is released as the ice melts, and makes a slight hissing noise. You have to be quite close to an iceberg to hear it, as well as in calm water. It’s also why ice floats.