Is The Sea Really On The Level?
Geology / Oceans
When we measure the height of mountains, we measure from a constant number called sea level. For instance Mount Whitney in California is 14,494 feet (4,418 m) above sea level. We start at 0 feet and e continue reading this fact
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Man Made Clouds
Geology / Weather
There are many different types of clouds in the sky, but did you know that some of them are man-made? 'Contrails' are the long, thin clouds that are left by airplanes as they fly past. Contrails (shor continue reading this fact
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What is Volcanic Ash?
Geology / Volcanos
Small jagged pieces of rocks, minerals, and volcanic glass the size of sand and silt (less than 1/12 inch or 2 millimeters in diameter) erupted by a volcano are called volcanic ash. Very small ash par continue reading this fact
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