This textbook presents scientific knowledge in a question-and-answer format. It is intended for the use of families and schools, explains about 2000 questions that children commonly ask, and is written in language so plain as to be understood by all. Heat, non-metallic elements, metals, organic chemistry, meteorology, optics, and sound are covered.

This textbook presents elementary principles of mechanics, hydrostatics, hydraulics, pneumatics, acoustics, pyronomics [sic], optics, electricity, galvanism, magnetism, electromagnetism, magneto-electricity, and astronomy. Among topics covered are descriptions and illustrations of McCormick's reaper, Sharps' Rifle, printing presses, House's…

This textbook is a course in natural science and astronomy. The contents include mechanical properties of bodies; mechanics of solids; mechanics of fluids; nature and production of sound; nature and transmission of light; excitation and characteristic effects of electricity; properties and magnets; theoretical astronomy; and descriptive astronomy.

The "Science Related to Life" textbooks are written to supply the need of elementary science teachers with textbooks that can be used independently by pupils. Throughout the series the author has kept in mind the aims of elementary science, as recognized by modern courses of study, namely to develop in pupils an interest in the natural…

While the new movement in the teaching of physics--the study of the physics of daily life--is the keynote of the recent text-books, yet the laboratory manuals still adhere to the old method, leaving the presentation of material from everyday life to the text-book alone. It is the authors' belief that the manual as well as the text-book should be…

In preparing this volume, every effort has been made to ensure accuracy, the most recent authorities have been consulted, and it is believed that a faithful view is presented of the various sciences embraced, as far as they are at present developed. It is the intention of the author to keep his book up to the times by constant revision, and to…

Adequate school plants are essential to a modern educational program. The school plant that is not properly maintained soon fails to provide the service for which it was intended. The total program of maintenance, including repairs, renovation, remodeling, rehabilitation, and modernization should be carefully planned. Some tasks will recur at…

During the past fifteen years, educators and electronics specialists have been experimenting with language facilities, usually by modifying equipment components which were originally designed for other purposes. The rapid growth, wide diversity, and newness of these electronic aids to language learning have created the need for a study of the most…