Across
- 3. measures atmospheric pressure
- 6. unit of pressure
- 7. empty space with no pressure/particles
- 9. transparent fusion of substances
- 11. geometric shape of a crystal
- 12. orderly pattern of particles
- 15. collisions with air
- 16. temperature to boil or vaporize
- 17. force by a gas per unit surface area
- 18. example:a ball rolling down a hill
- 20. all matter has particles in motion
- 21. 3 phases at equilibrium
- 22. temp when liquid changes to solid
Down
- 1. lacks internal structure
- 2. temp when solid changes to liquid
- 4. liquid if not boiling, to gas
- 5. force by a gas above a liquid
- 8. gives conditions of temp/pressure
- 9. these particles are rapid,constant and random
- 10. 2+ different forms of same element
- 13. liquid to a gas or vapor
- 14. change of a solid to vapor
- 19. all collisions between particles
- 20. energy of motion