Project Gutenberg 2011-08-27 Public domain in the USA. 236 Bernstein, Aaron David 1812 1884 Bernstein, A. (Aaron) Bernstein, Aron David Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes Bernstein's Popular Treatise on Natural Science The weight of the earth -- Velocity -- Nutrition -- Light and distance -- The wonders of astronomy -- Meteorology -- The food proper for man. E-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) "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.) Reading ease score: 63.3 (8th & 9th grade). Neither easy nor difficult to read. en Science -- Popular works Q Text Category: Science - Physics Category: Science - Biology Category: Science - Earth/Agricultural/Farming Category: Nutrition 272875 2025-09-15T06:57:28.849076 text/html 275570 2011-08-27T16:27:36 text/html 184899 2025-09-15T06:57:35.975056 application/epub+zip 184801 2025-09-15T06:57:32.017073 application/epub+zip 162125 2025-09-15T06:57:30.808052 application/epub+zip 396977 2025-09-15T06:57:39.326047 application/x-mobipocket-ebook 346628 2025-09-15T06:57:35.185051 application/x-mobipocket-ebook 324492 2022-09-17T05:47:01.142724 application/x-mobipocket-ebook 244765 2025-09-15T06:57:28.261083 text/plain; charset=us-ascii 244495 2011-08-27T16:24:19 text/plain; charset=us-ascii 244509 2011-08-27T16:24:19 text/plain; charset=us-ascii 21167 2025-09-15T06:57:39.461994 application/rdf+xml 16700 2025-09-15T06:57:31.317027 image/jpeg 4042 2025-09-15T06:57:31.062029 image/jpeg 87011 2011-08-27T16:24:19 application/octet-stream application/zip 93880 2011-08-27T16:30:00 application/octet-stream application/zip 86975 2011-08-27T16:24:19 application/octet-stream application/zip 174703 2025-09-15T06:57:28.870053 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia