Ice is the name given to frozen water. It is found at 0 °C and below under room conditions. Because the density of ice is less than the density of water, it can float on water. Ice can also be used for entertainment. An icy area is needed in sports such as ice skating, ice hockey, ice fishing, ice climbing, and sled races such as bobsled and skeleton. Many different sports in icy environments show up at the Winter Olympic Games, held every four years, and ensure the international representation