This document outlines a lesson on the effects of force on the shape of an object. It provides background information on force and examples of how applying force through pushing, pulling, pounding, compressing, bending, twisting, stretching, or squeezing can change the shape of various materials like sponges, rubber balls, modeling clay, and more. Students are asked to observe and report how the shape changes when they apply different forces. The lesson concludes that applying force can change an object's shape.