Project Gutenberg 2005-08-25 Public domain in the USA. 333 Clark, Bertha May 1880 12009543 General Science Heat -- Temperature and heat -- Other facts about heat -- Burning or oxidation -- Food -- Water -- Air -- General properties of gases -- Invisible objects -- Light -- Refraction -- Photography -- Color -- Heat and light as companions -- Artificial lighting -- Man's way of helping himself -- The power behind the engine -- Pumps and their value to man -- The water problem of a large city -- Man's conquest of substances -- Fermentation -- Bleaching -- Dyeing -- Chemicals as disinfectants and preservatives -- Drugs and patent medicines -- Nitrogen and its relation to plants -- Sound -- Musical instruments -- Speaking and hearing -- Electricity -- Some uses of electricity -- Modern electrical inventions -- Magnets and currents -- How electricity may be measured -- How electricity is obtained on a large scale. Produced by John Hagerson, Kevin Handy, Sankar Viswanathan and the Online Distributed Proofreading Team at https://www.pgdp.net "General Science" by Bertha May Clark is a scientific publication written in the early 20th century. The book aims to educate readers on the principles of science and its applications in everyday life, particularly emphasizing the importance of understanding scientific concepts to address common issues and improve efficiency in various tasks, from household chores to industrial operations. The opening of the book begins with a preface outlining the author’s intent to prepare readers for real-world problem-solving rather than standardized examinations. Clark discusses the importance of conserving human energy and resources, drawing parallels between scientific principles and practical applications. She emphasizes the need for an understanding of machines and labor-saving devices, while also addressing topics like musical instruments and electrical principles. This practical foundation sets the stage for a deeper exploration of scientific concepts in subsequent chapters, starting with an examination of heat, its effects, and its significance in everyday life. (This is an automatically generated summary.) Reading ease score: 67.2 (8th & 9th grade). Neither easy nor difficult to read. en Science Q Text Category: Science - Physics Category: Science - Chemistry/Biochemistry Category: Science - Biology 776865 2025-07-07T07:43:25.504517 text/html 746379 2020-12-12T10:56:35 text/html 3670425 2025-07-07T07:43:42.933423 application/epub+zip 3678659 2025-07-07T07:43:30.780581 application/epub+zip 321377 2025-07-07T07:43:27.900506 application/epub+zip 3972897 2025-07-07T07:43:50.438452 application/x-mobipocket-ebook 3876536 2025-07-07T07:43:40.044437 application/x-mobipocket-ebook 519656 2022-09-08T06:22:42.020878 application/x-mobipocket-ebook 599499 2025-07-07T07:43:22.741540 text/plain; charset=us-ascii 599272 2020-12-12T10:56:35 text/plain; charset=us-ascii 599514 2020-12-12T10:56:35 text/plain; charset=us-ascii 21144 2025-07-07T07:43:50.613382 application/rdf+xml 13621 2025-07-07T07:43:28.494544 image/jpeg 3418 2025-07-07T07:43:28.198499 image/jpeg 205488 2020-12-12T10:56:36 application/octet-stream application/zip 3357457 2020-12-12T10:56:36 application/octet-stream application/zip 205450 2020-12-12T10:56:36 application/octet-stream application/zip 3483244 2025-07-07T07:43:26.040507 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