How Sand Is Formed
06 Feb 2008When solid rock is exposed to the wind, rain and frost, it gets broken up into small particles. If the particles are small enough, they are considered sand. The main place where sand is formed is...
ERNEST SENAYA
ERNEST SENAYA:
speeches
A Bit About Einstein
05 Feb 2008Albert Einstein was born at Ulm, in Württemberg, Germany, on March 14, 1879. Six weeks later the family moved to Munich, where he later on began his schooling at the Luitpold Gymnasium. Later, they mo...
speeches
Living Cell Theory
05 Feb 2008Hints at the idea that the cell is the basic component of living organisms emerged well before 1838-39, which was when the cell theory was officially formulated. Cells were not seen as undifferentiate...
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speeches
Thundersomes
05 Feb 2008Lightning bolts are extremely hot, with temperatures of 30,000 to 50,000 degrees F. That's hotter than the surface of the sun! When the bolt suddenly heats the air around it to such an extreme, the a...
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