Simple Machines, Grades 1-3
Teach how simple machines work and help students discover that working with tools means putting simple machines into action. Study inclined plane, wedge, screw, lever, wheel and axle and pulley. Includes experiments, evaluation forms, a learning log, puzzles, activities, invention fair, and answer keys. Includes student and teacher rubric. 96 pages.

Grade Level: 1, 2, 3