Download or read book Focus on Elementary Physics Student Textbook 3rd Edition (Softcover) written by Rebecca W. Keller and published by Focus on. This book was released on 2019-02-26 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces young students to physics. Includes the history of physics; tools used in physics; force; work; types of energy; inertia; friction; mass; linear and nonlinear motion; chemical energy; electricity; electrons; magnets and magnetic force; light and sound waves; conservation of energy; and more. 12 full-color chapters. 102 pages. Grades K-4.