02640cam a22003253u 450000100060000000300070000600500170001300600020003000700050003200800410003704000110007804100170008905000060010610000390011224501050015124600520025626400510030830000470035933600260040633700260043233800360045850000310049450501460052550802430067152012660091453400450218065300290222585600430225499900170229737224UtSlPG20260610133840.0mcr n260607r2011||||utu|||||o|||||||||||||| d  aUtSlPG 7aen2iso639-1 4aQ1 aBernstein, Aaron David,d1812-188410aPopular Books on Natural Science :bFor Practical Use in Every Household, for Readers of All Classes1 aBernstein's Popular Treatise on Natural Science 1aSalt Lake City, UT :bProject Gutenberg,c2011  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2011-08-270 aThe weight of the earth -- Velocity -- Nutrition -- Light and distance -- The wonders of astronomy -- Meteorology -- The food proper for man.  aE-text prepared by Jonathan Ingram, Anna Hall, and the Online Distributed Proofreading Team (http://www.pgdp.net) from page images generously made available by Internet Archive/American Libraries (http://www.archive.org/details/americana)  a"Popular Books on Natural Science" by Aaron David Bernstein is a scientific publication written in the late 19th century. The book discusses various natural science topics that are relevant for practical use in everyday life and is intended for readers from all backgrounds. It covers subjects ranging from the weight of the Earth to nutrition, light, astronomy, and meteorology, providing insights into the wonders of nature and scientific principles.  The opening of the treatise presents an exploration of the weight of the Earth, introducing the question of how scientists determine such a seemingly simple yet complex measurement. Bernstein explains the importance of understanding the Earth's composition and density and how past scientists have approached this task through experiments and calculations. He outlines scientific methods, like those used by Cavendish and Newton, to gauge gravitational attraction and ultimately concludes that the Earth weighs over six sextillion tons, emphasizing that the Earth is not a hollow sphere but a dense mass, intricately composed of various materials. This introduction sets the stage for deeper discussions on the principles of natural science throughout the work. (This is an automatically generated summary.)  nOriginal publication data not identified  aScience -- Popular works40uhttps://www.gutenberg.org/ebooks/37224  c78064d78064