Across
- 2. Reverse of evaporation
- 4. What solids have that liquids and gases do not
- 5. What solids do when heated
- 6. Number of states of matter
- 11. Water in solid form
- 12. Process of liquid changing to solid
- 14. Process of liquid turning into gas
- 15. State of matter of air
- 18. State of matter of water
- 19. Solids have fixed shape and this
Down
- 1. What happens when matter changes state
- 3. Gaseous form of water
- 5. Process of solid changing to liquid
- 7. What causes solids to melt
- 8. Gas needed for breathing
- 9. What gases do in all directions
- 10. Liquid form of H₂O
- 13. Water in gas form
- 16. State of matter of ice
- 17. A common liquid we drink