Across
- 2. a transformation from liquid to solid
- 3. something that is chemically explosive
- 6. starting substances in chemical reactions
- 8. a substance that is vital in the process of photosynthesis
- 9. something rich in metals
- 11. something of one atom
- 14. something very fragile
- 16. something that shows all elements
- 19. a form of sugar produced during photosynthesis
- 21. a transformation from gas to solid
- 22. a mixture of carbon and iron
Down
- 1. something that gets dissolved
- 4. a process where to liquids or gases mix because of motion
- 5. a liquid that can be mixed
- 7. a mixture of tin and copper
- 10. something that dissolves
- 12. groups of atoms
- 13. a brief display of solids, liquids and gases
- 15. a decrease in size
- 17. something chemically-bonded
- 18. a transformation from gas to liquid
- 20. basic particles that make up substances