3 DIFFERENT VERSIONS: 1. ORIGINAL VERSION (EXERCISES AND CORRECTIONS) 2. STUDENT VERSION (EXERCISES)3. TEACHER VERSION (CORRECTIONS)This product entirely in French from Chez Nathalie is a complete unit on simple machines. It contains a variety of information, activities and answer keys on work, resistance forces, mechanical advantage (actual and ideal) and six simple machines (inclined plane, wedge, screw, lever, pulley, wheel and axle). For each simple machine, there is an experiment, a text, a