What Is an Iceberg?
What Is an Iceberg? If a glacier reaches the sea, its forward edge breaks off, forming huge floating blocks of ice called icebergs. Icebergs are pieces of ice formed on...
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Why Does Venice Have Canals?
Why Does Venice Have Canals? No other city is quite like Venice. This old and beautiful Italian city was not built on solid ground. Instead, it lies on a group of small...
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What Are a Statute and a Nautical Mile?
What Are a Statute and a Nautical Mile? The statute mile is a unit for measuring distance on land. It is equivalent as we all know, to 1760 yards or 5280 feet. The...
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Why Do We Get Seasick?
Why Do We Get Seasick? Seasickness is a disagreeable illness that is caused by the pitching and rolling motion of a ship at sea. It is a form of motion sickness...
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How Does Coral Grow?
How Does Coral Grow? Beneath the surface of the sea lie coral formations of many shapes and colors. The formations may look like branching trees tinted green or...
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