Across
- 2. metal that contains mainly carbon and iron.
- 4. made of two or more metals, can be ferrous or non-ferrous.
- 6. comprised of two or more different materials with enhanced properties.
- 8. man-made, wood-based composite material.
- 10. metal that does not contain iron.
- 12. polymer that when heated, undergoes chemical change and the molecules form cross-links.
Down
- 1. from broad-leafed, deciduous, slow-growing trees.
- 3. polymer that can be deformed and return to original shape at room temperature.
- 5. from evergreen, coniferous, fast-growing trees.
- 7. material that has been developed through the invention of new or improved processes.
- 9. polymer that can be repeatedly reheated and reshaped.
- 11. material whose physical properties change in response to a change in the environment.