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...
Read More
How Did the Red Sea Get Its Name?
How Did the Red Sea Get Its Name? The Red Sea is a narrow body of water that is almost closed in by land. It separates the Arabian Peninsula and the northeast coast of...
Read More
What Causes Volcanoes?
What Causes Volcanoes? Volcanoes form when pressures within the earth force melted rock and gases upward through cracks in the surface. The earth’s crust is made...
Read More
How Do Flying Fish Fly?
How Do Flying Fish Fly? Flying fish live in the warm oceans. This unusual fish is able to glide for long distances over the surface of the water by means of two...
Read More
What Is Paint Made From?
What Is Paint Made From? Ordinary house paint gets its color from colored powders called pigments. Pigments can come from ground-up rocks, or coal, or tar, or chalk and...
Read More