Across
- 2. Stretchy material used in tires.
- 5. Hard material used to make tools.
- 6. Yellow valuable metal used in jewelry.
- 7. Shiny valuable metal.
- 8. Soft fabric used to make clothes.
Down
- 1. Strong material used for jackets and shoes.
- 3. Material made from trees for writing and books.
- 4. A man-made material used for bottles and toys.