This book is in public domain
This book was published with a Creative Commons license with a mention the author and source
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
494 pages : 19 cm
“The aim of this book is to start young high school pupils on scientific projects” – Preface
Heat -- Temperature and heat -- Common phenomena due to heat -- Burning or oxidation -- Food -- Cooking and its effect on food -- The digestion of food -- Food substitutes and adulterants -- Bacteria and food. How to keep food wholesome -- Fuels -- Clothes and how they protect us -- Household chemicals -- Baking powders and soda -- Yeast and bread making -- Bleaching, blueing, starching -- Dyes -- Metals used in the home -- Oils, paints, and varnishes -- Nitrogen and its relation to plants -- Drugs and patent medicines -- How to keep well without drugs and patent medicines -- Simple electric devices -- Modern electrical inventions -- Magnets and currents -- How electricity is obtained on a large scale -- Light: refraction -- Photography and the chemical action of light -- Color -- Artificial lighting -- Sound -- How machines lighten labor -- The power behind the engine -- Pumps, and their value to man -- The water problem of a large city -- Water makes a garden of the desert -- The work of running water -- Air -- The work of the atmosphere -- Climate -- Mountains, earthquakes, volcanoes, geysers -- The rocks and building stones of the earth -- Plants and their relation to man -- The animals of the Earth
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