Across
- 2. heavy metal
- 4. immovable
- 7. H2O
- 8. burning temperature
- 9. watery
- 11. air
- 12. corrosive Chemical
- 13. easily shattered
- 14. water vapour
- 16. squeezed/squished
- 18. collects metal
Down
- 1. freezing
- 3. degree of sound
- 5. portion of matter
- 6. bubbles in water
- 10. growth in a substance
- 13. invisible vapour
- 15. bursting matter
- 17. you find it at the beach
- 19. split this to make a bomb