Across
- 3. A type of rock that contains minerals and metals
- 7. Objects made from clay or sand.
- 9. Attracted to a magnet.
- 11. A metal breaking down.
- 14. A scientific guess.
- 15. How easily a maaterial brends.
- 16. Easily breaks into pieces when it falls.
Down
- 1. Two or more metals mixed together.
- 2. Process of reusing old material to make new objects.
- 4. A metal chaning and going dull.
- 5. Plastics, rubber and fabrics.
- 6. A metal coated by another metal.
- 8. Carries heat or electricity.
- 10. Qualities or characteristics of matter and materials.
- 12. The reddish-brown layer formed on iron.
- 13. Able to be beaten or hammered into shapes.