an iceberg is a great piece of ice floating in the sea berg is the german word for mountain in the coldest parts of the earth around the north and south poles l

an iceberg is a great piece of ice floating in the sea berg is the german word for mountain in the coldest parts of the earth around the north and south poles land and sea are both covered by layers of ice more than 300 meters deep at the centre tongues of ice called glaciers stretch out into the open sea the sea water melts the bottom parst of these glaciers then the top part moves into of the water with a great noise the great piece of ice sinks for a short time under the surface and then it raises again floats away as a new iceberg some icebetgs are many miles long and travel for thousands of miles and several years before the finally melt the part of iceberg which can be seen above the water is only about one ninth of the total size the rest is hidden under the waves