What Are the Panama Canal Locks?
What Are the Panama Canal Locks? The Panama Canal locks are a kind of water “stairway” that crosses the Isthmus of Panama and connects the Atlantic and...
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Where Does Salt Come From?
Salt comes from lakes, wells, underground mines, and from the sea. Most of the salt that we sprinkle on our food is mined from thick salt beds, or large layers, deep in...
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Which Is the World’s Largest Lake?
Which Is the World’s Largest Lake? Imagine a lake almost as big as the entire state of California. That’s the size of the Caspian Sea. It is the largest lake in...
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What Is Sea Level?
We say that Mount McKinley in Alaska is 20,320 feet above sea level, or that Death Valley, in California, is 282 feet below sea level. And we say that the surface of...
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What Is a Sea Cucumber?
What Is a Sea Cucumber? The sea cucumber looks as if it comes from a garden, instead of the ocean floor as it is a sea animal with a sausage shaped body that resembles...
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