Across
- 4. where solids turn to gas without changing to liquid
- 5. water becomes a solid
- 7. how many particles
- 11. gas into a liquid with cooling
- 13. heat causes this in particles
- 15. the particles move freely and quickly
- 16. point, matter changes with temperature
- 19. explanation and evidence
- 20. properties substances in chemical reaction
- 22. spreading out of a substance
Down
- 1. solid becomes a liquid
- 2. usually measured in litres
- 3. energy motion of moving objects
- 6. changes in state from liquid to a gas
- 8. properties can be measure or observed
- 9. maintains fixed shape
- 10. spreading out of a substance
- 12. type of atom
- 14. has mass and volume
- 17. can flow across a surface
- 18. point temperature when the substance melts
- 21. Smallest particle