INTRODUCTION TO MATERIALS SCIENCE Metals, Polymers, Ceramics, and Innovation Reading Comprehension Passages. What makes glass transparent, steel strong, or fabric flexible? This lesson invites students to explore the hidden world of materials, the science behind everything we build, wear, and use. From metals that shape skyscrapers to polymers that drive modern tech, they’ll discover how understanding a material’s structure can unlock smarter, stronger, and more sustainable designs for the futu