This module simulates and explains some of the special characteristics of solids around us. Brittleness, malleability and elasticity are given emphasis in the discussion. The DOST Courseware is a locally-produced, all-original Filipino highly interactive multimedia educational resource packages available both in Windows and Android versions, conceptualized, digitized and produced as spearheaded by the Science Education Institute (SEI-DOST) in partnership with the Advanced Science and Technology