THE ground covered by this text-book comprises the fundamental properties of solids, liquids, and gases; force, work, and energy; and the elementary principles of heat, including a chapter on the ...

THIS volume is intended as a two-year course to cover the work necessary for students taking biology in the General Schools Examination, the work to be done in the two years preceding the examination ...

The Teaching of Elementary Physics To give more students a better understanding of the nature of physical science, a new approach to high-school physics is evolving. Its main feature: emphasis on ...