Two Water Liquids (IMAGE) Advanced Science Research Center, GC/CUNY Caption The above graphic offers a conceptual view of how water can exist in two liquid states separated by a thin interface. The bottom liquid is more dense than the one on top, because it is composed of water molecules that are more cosely packed. Credit Jerker Lokrantz and Anders Nilsson Usage Restrictions Use only with this story License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.