MATERIAL PROPERTIES: strength, hardness, stress-strain, thermal, electrical reading comprehension passages. Why does one material bend while another snaps? Students read stress-strain curves, run simple tensile and hardness tests, and compare thermal and electrical conductivity. Clear links to real design choices in labs, engineering, and quality control. This digital resource features Read Aloud Audio, Self-Marking Multiple Choice Questions, Critical Thinking Challenges, Open-Ended Questions,