Air bubbles released from melting icebergs. The fizzing noise is produced because the air bubbles are under high pressure. Separated or broken so that a part becomes detached. One million tons of ice are calved each day from a 300-foot glacial wall. Mysterious or obscure.
Icebergs are enigmatic.
How they move, how thick-skinned they are, how much damage they can do are all subject to debate. Sea ice forms when part of the sea freezes. A circulation of seawater resulting from a combination of temperature and salinity effects. Vocabulary Quiz Whiz Create a variety of interesting quizzes to test your students' word power. Puzzlemaker Send your students home with word searches, crossword puzzles and more.