PreLevel I Physics Laboratory Workbook Author:Rebecca W Keller Ph.D. The Pre-Level I Physics Laboratory Workbook contains ten hands-on experiments that introduce the young student to physics concepts such as energy, force, electricity, light, and sound. The experiments are designed to help students explore real science and introduces them to the first step of the scientific method-making good observations. For gr... more »ades K-4; must be accompanied by the Pre-Level I Physics Teacher's Manual. Softcover, 124 pages« less