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Kids Need Science is devoted to demystifying and explaining science, technology, engineering and math words, names, and concepts. Check back often for a science, technology, engineering or math word defined and explained every day.
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The word solid comes straight from the Latin word solidus, thought to be related to both the Latin salvus meaining health or safe and the Ancient Greek word holos meaning whole or complete.  The English from comes in the 14th century via the old French word solide.  While the five regular solids are named for Plato, rock carvings suggest that multiple civilisations knew of the solids and their properities at least 1,000 years before Plato. 

Video courtesy jbmathfunnew from Key Curriculum Press.

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