The diagram above shows a slice through a mass of ice that is one molecule wide. In the liquid phase, water molecules arrange themselves into small groups of joined particles. The fact that these arrangements are small allows liquid water to move and flow. Water in the form of a gas is highly charged with energy. This high energy state causes the molecules to be always moving reducing the likelihood of bonds between individual molecules from forming.
Water has several other unique physical properties.
Specific heat is the amount of energy required to change the temperature of a substance. Because water has a high specific heat, it can absorb large amounts heat energy before it begins to get hot. It also means that water releases heat energy slowly when situations cause it to cool. Water's high specific heat allows allows for the moderation of the Earth's climate and helps organisms regulate their body temperature more effectively. Water in a pure state has a neutral pH .