Question

Now that we have seen what happens to the water level in a bucket when a floating ice cube melts, predict what would happen to the average sea level worldwide if all the ice floating in the Arctic Ocean were to melt due to global warming. j. Scientists nonetheless predict that global warming will cause sea levels to rise - a 2014 estimate projected a rise of 1 to 4 ft by the year 2100. Why would this be the case?

Answer 1

A. The water level remains the same when the ice cube melts. A floating object displaces an amount of water equal to its own weight. Since water expands when it freezes, one ounce of frozen water has a larger volume than one ounce of liquid water. A completely submerged ice cube weighing one ounce, for example, displaces MORE than one ounce of liquid water. The cube will rise until the volume remaining under the surface displaces only one ounce of water.

B .... For artic ocean melt -If all the ice covering Antarctica , Greenland, and in mountain glaciers around the world were to melt, sea level would rise about 70 meters about 230 feet The ocean would cover all the coastal cities.