The document discusses where materials come from and lists examples of common materials like paper, plastic, metal, wood, leather, ceramic, clay, brick, fabric, and stone. It explains that materials come from animals, minerals/rocks, and plants. The document then provides examples of items made from different materials, asking the reader to identify what each item is and what material it is made of, such as a bottle made of plastic, a t-shirt made of cotton, and a belt made of leather.